# L2 Aviation

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#### ACARS Data Transmissions Complete Initial Flight Tests Using Cobham SATCOM’s SwiftBroadband System
Dripping Springs, Texas – June 1, 2019

#### L2 Aviation Acquires Advance Aero
April 20, 2026, Cincinnati, OH — L2 Aviation, a global leader in avionics integration, certification, and aircraft modification services, today announced the acquisition of Advance Aero, a precision machining and sheet metal fabrication company based in Mooresville, Indiana. This acquisition represents a strategic step in L2 Aviation’s long-term plan to expand its vertical integration capabilities and strengthen support for aircraft installation and kitting operations

Advance Aero brings decades of experience in aerospace-grade machining and fabrication, supporting a wide range of complex components and assemblies. The company has built a strong reputation for quality, responsiveness, and technical capability, making it a natural fit within L2 Aviation’s growing manufacturing and integration ecosystem.

Through this acquisition, L2 Aviation will enhance its ability to control critical elements of the supply chain, improve production efficiency, and deliver more complete, turnkey solutions to its global customer base. The addition of Advance Aero also supports L2’s continued investment in domestic manufacturing and operational scalability.

“This acquisition is about control, capability, and execution,” said Tony Bailey, President and Chief Operating Officer of L2 Aviation. “Advance Aero gives us the ability to bring critical manufacturing processes in-house, which improves quality, reduces lead times, and strengthens our ability to deliver fully integrated solutions to our customers. Just as important, we are bringing in a highly skilled team that aligns with our standards and our culture.”

Advance Aero will operate as part of L2 Aviation’s manufacturing organization, with a focus on supporting internal programs while continuing to serve existing customers. Integration efforts are already underway to align systems, processes, and quality standards across both organizations, with a focus on maintaining continuity and performance throughout the transition.

“We built Advance Aero on a foundation of craftsmanship, reliability, and customer commitment,” said Todd Wilson, President of Advance Aero. “Joining L2 Aviation allows us to take that foundation and scale it in a way that benefits both our employees and our customers. There is strong alignment in how both companies approach quality and execution, and we are excited about what we can accomplish together.”

L2 Aviation will continue to evaluate strategic opportunities that align with its long-term vision of building a fully integrated, high-performance aerospace solutions platform.

About Advance AeroAdvance Aero is a precision machining and sheet metal fabrication company based in Mooresville, Indiana, specializing in aerospace-grade components and assemblies. With a long-standing reputation for quality and reliability, Advance Aero supports a diverse range of customers with high-performance manufacturing solutions tailored to demanding technical requirements.

#### L2 Aviation and Global Aerospace Design Corporation Join Forces
Austin, TX: L2 Aviation, a leading supplier of global avionics services including engineering, parts, certification, installation, and manufacturing announced today a strategic agreement with Global Aerospace Design Corporation (Global), a leader in aircraft engineering services, in order to provide customers with L2 Aviation’s exceptional history of achieving results combined with Global’s ability to shorten design and certification cycles. Additionally, L2 Aviation has opened a Cincinnati, Ohio office that stages L2 Aviation and Global in a centralized area to better serve customers.

“I am excited to announce this strategic relationship between Global and L2 Aviation”, said Todd Hamblin, President and CEO of Global Aerospace Design Corporation. “L2 Aviation has an incredible team of dedicated professionals who provide exceptional results focused on minimizing aircraft down-time which blends perfectly with Global’s focus on building lasting customer relationships.”

“By adding Global combined with the opening of an office in Cincinnati, Ohio, we have expanded our ability to exceed customer expectations and expand our capabilities”, said Mark Lebovitz, President and CEO of L2 Aviation. “We are driven to be a dedicated partner for our customers and provide unparalleled support and innovation they can count on. By adding Global to our family, we are able to further demonstrate our commitment to innovating a future our employees and customers can trust.”

#### L2 Aviation and Heads Up Technologies Announce the Successful Completion of a Supplemental Type Certificate for Lumin® Wireless Digital Media Server on Cessna Citation
AUSTIN, Texas – March 29th, 2016 – L2 Aviation (L2) and Heads Up Technologies are pleased to announce the successful completion of an FAA Supplemental Type Certificate (STC) for the installation of Heads Up’s Lumin® Wireless Digital Media Server. The STC covers Cessna Citation 500, 550, S550, 552, 560 and 560XL aircraft models.

David Hoey, L2 Program Manager said, “Wireless capability in aircraft cabins is rapidly becoming an important functional feature for passengers and the unique flexibility offered by Lumin® allows aircraft operators to define a custom level of luxury and functionality.” L2 developed the engineering design, produced installation kits, provided project management and certification for Heads Up Technologies.

“L2’s expertise allowed them to anticipate all aspects of this STC project as well as develop seamless aircraft installation kits for our dealer networks, helping to bring our products to the aftermarket quickly and easily” said Rob Harshaw, president and CEO of Heads Up Technologies. “We look forward to more projects with L2 in the near future” he added.

“Teaming with an innovative company like Heads Up Technologies to satisfy the growing demands of business aviation passengers was a very satisfying experience for L2’s integration and STC program teams” said Mark Lebovitz, president of L2. “The Heads Up Media Server form factor and creative user interface will serve the 6 to 12 passenger aircraft market perfectly” he added.

The Lumin® Cabin Management System offers fiber optic or wireless interconnectivity to suit any size aircraft, while simplifying aircraft wiring requirements, providing exceptional bandwidth and allowing for future growth potential. Addressing the latest trends in consumer product technologies, this next generation of wireless offering supports a wide variety of consumer devices such as smart phones, tablets and laptops. The Lumin® system incorporates Blu-ray, digital audio libraries, Internet, seat-to-seat texting and cabin control functions. Lumin® also offers customizable touchscreens with seamless integration into the cabin interior. This holistic approach provides passengers with a timeless, elegant and easy to use interface, while simultaneously reducing weight and power consumption for aircraft operators.

#### L2 Aviation and Klatt Works announce MOU for SAVED Safety System
L2 Aviation and Klatt Works team up to bring the innovative SAVED system to aircraft operators worldwide.

Figure 1: Klatt Works SAVED System

Austin, Texas: L2 Aviation and Klatt Works announce MOU for the revolutionary aircraft Smoke Assured Vision Enhanced Display (SAVED) Safety System

L2 Aviation, a leading supplier of global avionics services including engineering, certification, installation and manufacturing announced today a Memorandum of Understanding (MOU) with Klatt Works that sets the framework for certification and support of the newly developed Klatt Works SAVED system.

The Klatt Works SAVED system is a unique wearable system that adds augmented reality technology to existing pilot oxygen masks, displaying critical flight information. During a smoke in the cockpit emergency, when the pilot cannot clearly see the flight instruments nor out the windscreen, SAVED provides a see-through display inside the oxygen mask that presents HUD symbology with nose camera video. This allows the aircrew to aviate during an extreme smoke emergency with required visual references to land or ditch the aircraft.

L2 Aviation and Klatt Works are working towards certifying the system across a broad range of aircraft types including Boeing 737, 787, Airbus A320, A330, Gulfstream G650, G550 and many more aircraft model types spanning Commercial Airlines, Business Aviation and military mission aircraft.

Figure 2: Flight Testing of Klatt Works SAVED System

“When we were looking for a certification partner for our SAVED system, we discovered an ideal partner with an excellent reputation in L2 Aviation”, said Nate Klatt, Founder and CEO of Klatt Works. “L2 is a leader in the aircraft products certification industry and we could not have asked for a better partner to integrate our SAVED system into additional aircraft beyond the FedEx fleet of Boeing 757, 767, and 777 aircraft as previously announced in AIN. L2’s expertise and our revolutionary vision display system will enhance flying safety in critical visibility situations like few other products have before.”

“The relationship between Klatt Works and L2 is one based on the shared desire to make a difference in the world and to provide cutting edge products and services to the aviation community”, said Tony Bailey, Chief Operations Officer for L2 Aviation. “The Klatt Works SAVED system brings an unparalleled level of safety to the cockpit and we could not be prouder to be a part of the team to help certify the system for use in the global aircraft industry”.

#### L2 Aviation and Software Development Alternatives Announce D-Link Repair Solution
Austin, TX: L2 Aviation, a leading supplier of global avionics services including engineering, certification, installation and manufacturing announced today a solution for operators of the SpectraLux D-Link Communications System.

When SpectraLux Avionics dissolved in 2022, numerous airlines were left without a repair solution or source for the D-Link Datalink System. With over 300 aircraft in the industry potentially impacted with a diminishing supply of spares, grounding of aircraft was a real risk until now.In collaboration with Software Development Alternatives, a repair facility with a significant stock of components has been established capable of repairing twenty or more units a month depending upon demand.

“The D-Link system is highly reliable and robust enough to operate for years to come but they do occasionally break and need software updates to remain effective”, said Dave Dodson, Founder and President of Software Development Alternatives. “After SpectraLux closed, there was no way to get repairs or updates but through our relationship with L2 Aviation, we can now have a solution.”

“We are in a unique position to team up with Software Development Alternatives as the original software developer of the D-Link system and owner of the intellectual property”, said Tony Bailey, Chief Operating Officer for L2 Aviation. “Which allows us to take our specialized teams and create an effective and reliable repair for the system which provides numerous global airlines a path to extended life operations of their fleet. For some, they may not understand the importance of this development. Imagine having your aircraft being grounded due to a lack of parts. We are now ensuring a way for operators to prevent a D-Link grounding occurrence. It’s a big deal!”

To Schedule a D-Link Repair

D-Link customers may contact L2 Aviation for d-link repair by emailing L2Sales@L2aviation.com or call +1 (512) 894-3414. L2 also offers AOG Service.

#### L2 Aviation Announces Strategic Growth Investment from Argentum
Austin, Texas: L2 Aviation, a leading provider of global avionics services including engineering, certification, installation, fleet modernization, and manufacturing, announced today that it has received a strategic growth investment from Argentum, a founder-friendly growth equity firm that has helped bootstrapped B2B services and software companies accelerate organic growth and execute buy-and-build strategies for over 30 years. The investment will enable L2 Aviation to expand production capacity, broaden its capabilities, and pursue strategic acquisitions, to support growing demand for its solutions.

By leveraging its extensive intellectual property and expertise, L2 Aviation delivers engineering designs, supplemental type certificates (STCs), assemblies, subsystems, and turnkey integration kits that solve the highly complex technical and regulatory certification challenges of aftermarket avionics system modifications, installations, and upgrades. L2 Aviation helps many of the world’s leading OEMs, MROs, airlines, operators, satellite and communications service providers shorten the time to market for new products, minimize aircraft downtime, adapt to evolving technologies, comply with regulations, and maintain the value, airworthiness, and mission-readiness of their fleets.

“As our valued customers and strategic partners have entrusted us with their missioncritical avionics needs, it’s our responsibility to scale L2 Aviation’s operations and technical capabilities to support their rapid growth,” said Mark Lebovitz, Founder and CEO of L2 Aviation. “Argentum’s minority growth equity investment will enable L2 Aviation to accomplish this mission by adding production capacity and broadening our solutions, through organic initiatives and acquisitions. With their founder-friendly trackrecord, hands-on approach to helping bootstrapped businesses execute buy-and-build strategies, and extensive experience backing other providers of services and software to the aviation industry, we feel that Argentum is the ideal partner for L2 Aviation’s next phase of growth.”

“Mark and his team have built L2 Aviation into a proven leader and key player in the avionics and aftermarket ecosystem, with a marquee client roster, stellar market reputation, highly respected team possessing deep industry experience, and long history of impressive capital efficient growth,” said Daniel Raynor, Cofounder and Managing Partner of Argentum, who will join L2 Aviation’s Board of Directors in connection with the investment. “L2 Aviation is at an attractive inflection point with increasing momentum, a growing backlog and pipeline, and strong industry tailwinds.”

Chris Leong, Partner at Argentum added, “We’re looking forward to partnering with Mark and his team to expand L2 Aviation’s production capacity and capabilities, originate and execute acquisitions and strategic initiatives, and accelerate the company’s growth. We believe L2 Aviation is well-positioned to capitalize on the exciting opportunities in the aviation aftermarket that are being driven by the aging fleet of aircraft, record air traffic volumes, and increasing demand for next-generation avionics to support data-driven connected aircraft applications and use-cases.”

#### L2 Aviation Appoints Tony Bailey as President and Chief Operating Officer
Bailey brings decades of aerospace leadership experience to the role, with a track record of delivering complex, safety-critical programs while building high-performing teams. Over the course of his career, he has led large-scale operations across engineering, manufacturing, certification, and remote services, consistently aligning technical excellence with business performance

In his new role, Bailey will lead day-to-day operations across all L2 Aviation business units, with full responsibility for operational performance, customer delivery, and execution of the company’s strategic initiatives. He will work closely with the Board of Managers to drive sustainable growth, expand L2’s capabilities, and strengthen its position as a trusted partner to aircraft operators and OEMs worldwide.

“This is not a change in direction. It is an intentional step forward,” said Bailey. “L2 Aviation has built its reputation on solving difficult problems and delivering when it matters most. My focus is simple: protect what makes us strong, improve where we can be better, and position this company to lead in the next phase of aviation connectivity, certification, and integration.”

L2 AVIATION APPOINTS TONY BAILEY AS PRESIDENT AND CHIEF OPERATING OFFICER

Founded in 1997, L2 Aviation has established itself as a premier provider of avionics engineering, certification, installation, and aftermarket support. The company supports a wide range of platforms, including large commercial aircraft, business jets, and specialized mission systems. Its portfolio includes Supplemental Type Certificate (STC) development, connectivity solutions, system integration, and rapid deployment field services.

Bailey’s appointment comes at a time when the aviation industry is accelerating demand for advanced connectivity, digital infrastructure, and integrated avionics solutions. L2 Aviation has responded by expanding its engineering depth, investing in manufacturing and kitting capabilities, and strengthening its global service footprint.

“Tony has been operating at this level for some time,” said Mark Lebovitz, Executive Chairman of L2 Aviation. “He understands the business, our customers, and the standards we hold ourselves to. This move formalizes what has already been in motion and positions L2 for the next stage of growth.”

Under Bailey’s leadership, L2 Aviation will continue to focus on operational discipline, customer outcomes, and technical innovation. The company remains committed to delivering high-quality, on-time solutions while expanding into new markets and advancing next-generation aviation technologies.

About Tony Bailey

Tony Bailey is the President and Chief Operating Officer of L2 Aviation, with more than 40 years of experience in the aerospace industry. He began his aviation career in 1983, serving in the United States Marine Corps on F-4 Phantom II aircraft.

Over the course of his career, Bailey has held a wide range of leadership and technical roles, including President, CEO, COO, General Manager, Director of Avionics and Engineering, Director of Maintenance, Quality Control Manager and Instrument & Autopilot Subject Matter Expert (SME).

Bailey is currently a Ph.D. candidate at the University of the Cumberlands and holds numerous degrees including a Masters in Business Administration (MBA). He also holds an FAA Airframe and Powerplant (A&P) License, combining hands-on technical expertise with advanced business and leadership training.

#### L2 Aviation Awarded IDIQ Contract by the U.S. Army for M1A2 Abrams Tank
The Indefinite-Delivery/Indefinite-Quantity (IDIQ) Contract solidifies L2 Aviation’s role as a Wire Harness Manufacturing leader beyond Aviation.

Cincinnati, OH — L2 Aviation, a global leader in avionics integration, manufacturing, certification, and aircraft modification services, today announced that it has been awarded a multi-year indefinite-delivery/indefinite-quantity (IDIQ) contract from the United States Army Contracting Command whereas L2 will supply wiring harnesses for the M1A2 Abrams Tank.“Being selected by the U.S. Army for this program represents an important milestone for L2 Aviation and validates the strength of the quality systems, manufacturing discipline, and traceability standards we have built over decades in highly regulated aerospace environments,” said Tony Bailey, President and Chief Operating Officer of L2 Aviation. “While this is our first prime contract award outside of aviation, the mission requirements of the U.S. Army closely align with the precision, reliability, configuration control, and compliance standards that are foundational to how we operate every day. We are honored by the trust placed in our team and look forward to supporting the M1A2 Abrams platform and the warfighters who depend on it.”The M1A2 Abrams remains one of the most advanced and combat-proven main battle tanks in the world, combining survivability, mobility, firepower, and integrated battlefield technology into a modern armored platform. Continuous modernization efforts have transformed the Abrams into a highly networked combat system capable of supporting next-generation communications, targeting, situational awareness, and mission-critical electronic architectures required for modern warfare.

#### L2 Aviation Celebrates Grand Opening of New Facility at Cincinnati/Northern Kentucky International Airport (CVG)
L2 Aviation introduces a New Era of Innovation, Integration, and Growth at CVG Airport

Cincinnati, Ohio: L2 Aviation, a leading supplier of global avionics services including engineering. certification, installation and manufacturing proudly hosted the grand opening of its new facility at 82 Comair Boulevard in Florence, Kentucky, marking a major milestone in the company’s continued expansion and long-term commitment to innovation, manufacturing excellence, and customer service.The ribbon-cutting ceremony brought together local and state dignitaries, industry partners, and members of the Northern Kentucky community to celebrate the next chapter of L2 Aviation’s journey. The event was highlighted by remarks from Kentucky Governor Andy Beshear, Cincinnati/Northern Kentucky International Airport (CVG) CEO Larry Krauter, and key executives from L2 Aviation, each underscoring the economic and technological impact this facility will have on the region.

#### L2 Aviation Completes 767-300 ACARS Supplemental Type Certificate Revision to Support CPDLC over ATN
Austin, Texas – January 26th, 2015 – L2 Consulting Services, Inc. (L2) is pleased to announce that the company has successfully completed a revision of its existing 767-300 Aircraft Communications Addressing and Reporting Systems (ACARS) FAA Supplemental Type Certificate (ST11124SC). The certification program involved upgrading the current ARINC 724B ACARS with a new ARINC 758 ACARS system and upgraded the legacy ARINC 716 VHF Radio to the latest ARINC 750 VHF Data Radio for Controller-Pilot Data Link Communications (CPDLC) operations. The state of the art communications management system operates over Aeronautical Telecommunication Network VHF Digital Link (ATN VDL) Mode 2 (CPDLC-ATN-B1 VDLM2). Additionally, the certification included the installation/activation of a Cockpit Voice Recorder – Data Link (CVR-DL) interface, and installation/activation of an independent Global Navigation Satellite System (GNSS) receiver to support CPDLC operations to meet EUROCONTROL CPDLC (formerly known as Link 2000+).

L2 President, Mark Lebovitz said, “CPDLC has been deployed to decrease voice channel occupancy and increase flight safety and efficiency through more effective datalink communications.” He added, “Future CPDLC uses will likely include route clearance uplink, 4D trajectories, continuous descent approaches, and constraint coordination.”

Overall the system is designed to supplement voice communication between aircraft pilots and air traffic controllers allowing for an increase in air traffic management capacity by automating routine tasks and improving safety. L2 Consulting developed the engineering design, coordinated the certification requirements with the FAA, produced the installation kits for the end airline customer and provided project management for the program.

#### L2 Aviation Completes U.S. Air Force KC-10 Cockpit Upgrade
Dripping Springs, Texas: L2 Aviation, a subcontractor to Collins Aerospace, announced today that Mode-5 Automatic Dependent Surveillance Broadcast (ADS-B) upgrades for the U.S. Air Force KC-10 “Extender” Aerial Refueling Tanker Fleet have been completed.

L2 Aviation provided multiple Contract Field Teams (CFT) as part of our Remote Avionics Modification Services (RAMS) at different government locations that completed the avionics installations on 58 KC-10 Extender aircraft. The installation of ADS-B, as part of a full Communications, Navigation, Surveillance and Air Traffic Management Systems (CNS/ATM) upgrade, allows the U.S. Air Force to keep the high-volume refueling capabilities of the KC-10 ready to support America’s warfighters all over the globe long in to the future.

L2 Aviation RAMS teams completed each installation in just 4.5 days per aircraft on average which was quicker than the time originally set even during the outbreak. “The project was delayed for 8 days at the start and then we faced another delay of 8 additional days while under quarantine for suspected COVID19 exposure of a team member”, said Adam Tsakonas, Program Manager for L2 Aviation. “Even with the loss of 16 days the program pulled ahead of the original schedule and we were able to scale back to a single mod-line as we worked through the final aircraft.”

“We are extremely honored to have been selected by Collins Aerospace as their installation and integration team for this project”, said Mark Lebovitz, Founder & CEO of L2 Aviation. “Not only was this project technically and logistically challenging, but carried on despite the pandemic without negative impact to the schedule. Our RAMS teams did an extraordinary job going to the different locations and getting the job done. They truly exemplified L2 Aviation’s commitment to our customers!”

#### L2 Aviation Earns FAA STC for Thales AVIATOR 200S for Boeing 777
L2 Aviation, a leading supplier of global avionics services including engineering, certification, installation and manufacturing announced today that it has received a Federal Aviation Administration (FAA) Supplemental Type Certificate (STC) for the installation of the Thales AVIATOR 200S Satellite Communication (SATCOM) system on Boeing 777 aircraft. This approval marks a significant step forward in enabling next-generation connectivity for wide-body aircraft operators.The certification enables operators to utilize advanced satellite connectivity that supports both cockpit safety services as well as operational data and voice communications.The AVIATOR S Series platform is designed to meet the rapidly growing connectivity demands of modern airlines. Using a compact, high-performance satellite antenna and advanced satellite data unit, the system enables reliable global communication while maintaining strictseparation between cockpit and cabin networks.With this solution, airlines can support critical safety services and operational communications, including Air Traffic Control (ATC) and Aircraft Operational Control (AOC), while simultaneously delivering enhanced passenger connectivity such as onboard internet access, email, and voice services.“Our team worked closely with Thales and the FAA to certify and integrate the AVIATOR 200S system on the Boeing 777 platform, ensuring the aircraft can fully support the next generation of connected aviation services.” said Tony Bailey, President & Chief Operating Officer at L2 Aviation. “Our solution enables reliable global satellite communications that support critical cockpit safety and operational services while also delivering the passenger connectivity airlines and travelers now expect.”The FAA issued Supplemental Type Certificate ST12322AC, approving the installation of the Thales Aviator 200S satellite communication system in accordance with the approved design documentation and flight manual supplements.

#### L2 Aviation Honored with James A. Wuenker Growth Award by REDI Cincinnati
Award Recognizes L2 Aviation’s Expansion, Innovation, and Economic Impact in the Cincinnati Region.

Cincinnati, Ohio: L2 Aviation, a leading supplier of global avionics services including engineering, certification, installation and manufacturing is proud to announce it has been awarded the prestigious James A. Wuenker Growth Award by REDI Cincinnati, recognizing the company’s strategic investment, job creation, and transformational impact in the Cincinnati region. The award was presented during REDI’s Annual Meeting, which celebrates outstanding companies and leaders helping drive regional growth and innovation.

The James A. Wuenker Growth Award, named after the late visionary economic developer Jim Wuenker, honors businesses that demonstrate a lasting commitment to the regional economy through job creation, capital investment, and community partnership. L2 Aviation earned the distinction for its decision to establish a new engineering and manufacturing facility at Cincinnati/Northern Kentucky International Airport (CVG) in Erlanger, Kentucky, a move that solidifies its role as a leader in avionics engineering, modification, and product development.

“We are incredibly honored to receive this award and be recognized alongside other innovators and changemakers in the region,” said Tony Bailey, Chief Operating Officer of L2 Aviation. “Our relocation and expansion into Northern Kentucky was a strategic decision aimed at aligning our growth with the right partners, workforce, and community. REDI Cincinnati, BE-NKY Growth Partnership and the Kentucky Cabinet for Economic Development have been instrumental in supporting our journey.”

Since announcing the move to Boone County, L2 Aviation has quickly scaled operations, transitioned its leadership and manufacturing footprint, and launched the development of proprietary L2 branded products. The company’s presence is expected to create dozens of high-paying, skilled positions and attract further investment in advanced aviation technologies to the region.

“The James A. Wuenker Growth Award is a testament not just to what we’ve done—but to where we’re going,” said CEO Mark Lebovitz. “We’re building more than avionics solutions. We’re building an ecosystem of innovation, technical excellence, and opportunity right here in Northern Kentucky.”

L2’s award-winning expansion underscores the strength of regional collaboration between industry, government, and local communities. The company remains focused on long-term investment, operational excellence, and fostering a people-first culture across all locations.

Founded in 1997, L2 Aviation is a global leader in aircraft modification, avionics integration, certification, and engineering services. With the support of the Cincinnati/Northern Kentucky region, L2 is positioned to scale its manufacturing capabilities, grow its workforce, and bring cutting-edge products to market, faster and more reliably than ever before.

#### L2 Aviation receives FAA STC approval for Honeywell JetWave Ka-band system installations on Boeing 767 aircraft
Honeywell JetWave, as certified and installed by L2 Aviation, provides global aircraft HighSpeed internet connectivity.

Austin, Texas – November 24, 2020: L2 Aviation, a leader in innovative avionics services and products including engineering, parts, certification, installation and manufacturing announced today completion of a Federal Aviation Administration (FAA) approved Supplemental Type Certificate (STC) for the installation and operation of the Honeywell JetWave system in a Boeing 767 aircraft.

Utilizing L2 Aviation’s engineering and design, kits were prepared at L2’s headquarters and installers from L2’s Remote Avionics Modification Service (RAMS) team were able mount a fuselage antenna on a Boeing 767 aircraft at the customer’s location. The unique elements of this design afford Boeing 767 aircraft operators to connect with Inmarsat’s Ka-band GX Aviation satellite constellation providing high-speed data transfer rates for passengers to enjoy continuous internet connection throughout the flight including seamless streaming of ipTV content.

“This project required a huge design and certification effort”, said Kevin Paul, VP of Engineering Value Stream, “There are many instances in this program where things could have failed and L2’s commitment to the project and our customer were tested. The global pandemic challenged our engineering team who had to adjust to remote collaboration, we had to find ways to perform remote witnessing of the certification effort that took place in the Middle East and our RAMS teams had to overcome many integration hurdles. In the end, the system is operationally excellent.”

“People take for granted that Wi-Fi and internet access is just a part of the modern flying experience but the truth is connecting an aircraft traveling at high speeds to a geosynchronous satellite constellation is very complex”, said Mark Lebovitz, Founder & CEO of L2 Aviation. “Our team has the experience and skills to integrate and certify this extremely intricate system with a focus on continual performance that is seamless to the passengers. The best system is the one that nobody even knows is there and works flawlessly without any interaction to make it happen. The result exemplifies the potential of L2 Aviation’s teams to achieve amazing results no matter the complexity!”

Honeywell’s JetWave is the exclusive hardware that enable air transport and regional aircraft to connect to Inmarsat’s Global Xpress Ka-band service – GX Aviation, the first consistent high-speed broadband service to span the world. As a result, passengers can enjoy greatly improved productivity with in-flight Wi-Fi speeds up to 50 Mbps. As an airborne satellite communications pioneer and leading technology developer, Honeywell’s JetWave provides operators with comprehensive global connectivity solutions by providing passengers with best-in-class in-flight connectivity service now and in the future.

#### L2 Consulting Services Inc. Announces Executive Team  Promotions
Dripping Springs, Texas – October 09, 2018 – A recognized leader in avionics integrations and installations, L2 Aviation announces new executive team promotions designed to strengthen high-value objectives for the organization.

Kevin Paul has been promoted to Vice President, Engineering Value Stream from manager of the Program Management department. Kevin has led many of L2’s most complex and successful programs. During his time at L2, Kevin has proven his abilities by employing a detail-oriented management approach while maintaining a focus on L2’s broader goals, expectations, and financial parameters.

In conjunction with Kevin’s promotion, long-time team member Dean Rudolph has been promoted to Executive Vice President. Rudolph previously held the Vice President, Operations title. In this new role, he will be responsible for implementing company-wide initiatives to ensure the successful fulfillment of rapidly growing business opportunities; including, massively increasing the Remote Avionics Modification Services (RAMS) division to satisfy customer demand. Additionally, the entire Certification Team will now report directly to Dean, and he will spearhead the expansion of a full-featured certification department, offering L2 customers additional key services and products.

“Both Dean and Kevin are exceptionally talented individuals. Their dedication to excellence along with all of the hard-work they have displayed has made it very easy to be to promote them to these central and strategic roles at L2,” said Mark Lebovitz, L2 President. “With Dean’s visionary approach and Kevin superb execution abilities, all of our goals and initiatives will surely be achieved with great success.”

The promotions of both Dean and Kevin directly support L2’s overall strategic corporate and financial goals.

#### L2 Consulting Services Inc. Announces New Client Experience Manager
Dripping Springs, Texas – November 12, 2018 – L2 is pleased to announce Desiree Eversole has been promoted to a newly created position as Client Experience Manager responsible for L2’s customer service and marketing functions.

As a critical link to the aviation industry, the Client Experience Manager will play a significant role in determining company strategies to optimize current and future customer experiences, and grow L2’s business within the domestic and international aviation markets. The position will serve as the primary advocate with responsibility for facilitating and improving client relationships.

Mark Lebovitz, L2 President noted, “As Client Experience Manager Desiree will play an essential role toward L2’s mission to wow current clients through excellent customer service and attract new business via consistent, best of class, and exceptional 24/7/365 experiences.”

Desiree joined L2 in November 2015 bringing customer service and management experience from her tenure with Target. She is a graduate of Texas State University with family ties to the founders of the city of Dripping Springs, Texas where L2 is based.

#### L2 Consulting Services Inc. Announces New Manager of Program Management
Dripping Springs, Texas – December 12, 2018 – L2 is pleased to announce the new Manager of Program Management, David Hoey. David has continuously demonstrated the skills and attributes required to be successful in his management role. Additionally, David has used his vast knowledge of the Military/Government acquisition process to help L2 make inroads into that market.

The Program Manager is the primary point of contact for each project both internally and with the customer. This position is responsible for managing all phases of assigned projects as a typical project includes engineering development, prototype manufacturing, an aircraft installation, FAA certification, and transition to production.

Kevin Paul, L2 Vice President of Engineering noted, “Since David started his career at L2, he has always been a key-player and top-performer. As Manager of Program Management, he will ensure L2’s network of partners and customers continue to be wowed by our high-quality of products and services. David will also continue to lead our efforts into the Military/Government market.”

David joined L2 five years ago and brought with him extensive experience in program management and leadership skills from his career as an Air Force Officer and in the private sector. Throughout his five years at L2, David has successfully managed many complex projects, taken on increased responsibilities in the department.

#### L2 Consulting Services Inc. Completes Large Display System (LDS) Installation on Boeing 767 Aircraft
L2 completes the design and certification cycle by installing the complete LDS system on Boeing 767 aircraft

Dripping Springs, Texas – August 14, 2019 – L2 Aviation, a recognized leader in avionics integrations, modifications and remote installations, has completed its first retrofit installation of the Collins Aerospace Large Display System (LDS). This installation milestone closed the loop of design, certification, and installation of the retrofit upgrade to legacy Boeing cockpits and it was performed by the company’s Remote Avionics Maintenance Services (RAMS) team. L2 has a long-standing relationship with Collins Aerospace on kitting, wiring of the LDS and was awarded a similar STC (ST09889AC) in May 2018 for the Installation of Rockwell Collins LDS-2100 large display systems in accordance with the Boeing 767 Master Drawing List. The RAMS division of L2 travels to an aircraft’s location to install all hardware, wiring and perform functional testing, returning the aircraft to service under its FAA Part 145 certificate.

The LDS provides several benefits for B767 and B757 aircraft operators such as reducing aircraft empty weight by up to 150lbs, removing 16 Line Replaceable Units (LRUs), display commonality with the 787 and B737MAX aircraft reducing required training and costs for airlines, plus the main benefit, enhancing the flight crew’s situational awareness with the 15.1 inch displays.

“It is very gratifying to be asked to install equipment where we built the kits and architected the installation design with Collins Aerospace. We hope that this milestone is a start to many more installations. It continues to be an exciting time for L2 and all the investments made in previous years are delivering the expected results in 2019.” said Mark Lebovitz, President of L2 Aviation.

#### L2 Consulting Services Inc. Partners With GE Aviation for miniQARs Installation Services
L2’s Agreement with GE Aviation Provides Field Installations of miniQARs and Other Equipment

Dripping Springs, Texas – July 30, 2019 – L2 Aviation, a recognized leader in avionics integrations, modifications and remote installations, has partnered with GE Aviation to provide remote installation services for the Avionica miniQAR Mk III Quick Access Recorder (Avionica is a GE Aviation company). Under the agreement, L2’s Remote Avionics Maintenance Services (RAMS) will travel to an aircraft’s location and install all hardware, wiring and perform functional testing, returning the aircraft to service under its FAA Part 145 certificate.

L2 originally provided certification services of the miniQAR in April, 2018 with an (AML) Supplemental Type Certificate (STC) for Part 23 turbine aircraft under a commercial agreement with Avionica. The STC included Honda Jet, Eclipse 500, Cirrus Vision Jet, Daher TBM series, Pilatus PC-12s, Cessna Citation 510s and all 525 models, Embraer 100 and 300, all Textron Beechcraft King Air models plus many other Part 23 turbine aircraft. This new services agreement with GE is an extension of L2’s extensive knowledge and experience with miniQAR integration and how they connect and collect data on Part 23 turbine aircraft.

“This is a new and exciting time for L2 as it partners with one of the landmark technology and Fortune 100 companies to provide some of the most valuable parts of a transaction, the direct contact with the customer,” said Mark Lebovitz, President of L2 Aviation. “L2 was started as a remote maintenance provider so after 22 years and hundreds of repeat customers in all aviation segments, we feel confident we can represent GE Aviation with its customers to the level of customer interaction they expect.”

“We’ve appreciated L2’s strong support in the installation of the miniQAR MkIII/avCM combination for operators needing to transmit flight data while on the ground and connected to a local cellular network from anywhere in the world,” said Sean Reilly, vice president of Business Development for Avionica. “I see this relationship continuing to grow and get stronger now as part of GE Aviation.”

L2 has already performed several installations of Avionica’s miniQARs, as well as their avCM-4G cellular module providing greater data acquisition and instant ground based cellular transmission to maintenance providers and FOQA providers like Austin Digital (acquired by GE Aviation in 2012).

#### L2 Consulting Services Inc. Receives STC for 767 Large Display System (LDS) Retrofit/Installation
Dripping Springs, Texas – June 20, 2018 – L2 Consulting Services, Inc. (L2) is pleased to announce the company has received an FAA Supplemental Type Certificate for the installation of the Rockwell Collins Large Display System (LDS) retrofit on the 767-300F aircraft. For this project, L2 was responsible for engineering design, kit manufacture, shelf rework touch labor, and overall project certification. L2 also provided Rockwell Collins’ end customer with onsite integration support, including ground and flight testing support, all with L2 in-house personnel.

“This latest L2 STC completed a full 767 flight deck technology upgrade program 17 days ahead of an already aggressive schedule,” said Mark Lebovitz, L2 President. “L2 takes considerable pride in continuously focusing on offering the best of future technologies that serve the rapidly changing needs of our customers and the industry as a whole, on time and at the highest quality.”

The Rockwell Collins LDS retrofit provides multiple benefits to operators, including:

Enhanced flight crew situational awareness

Offering the industry’s only display retrofit with engine-indicating and crew-alertingsystem data

Ongoing maintenance, inventory, and operational savings through the elimination ofmultiple LRUs, and overall flight deck weight reductions. Furthermore, the system hasdisplay commonality with the 787 Dreamliner and 737 MAX aircraft, thus reducingtraining costs.

Offering proactive management of CRT obsolescence

A notable feature of this L2 retrofit STC is that it provides operators with a highly efficient and flexible platform which easily allows for the incorporation of future operational and safetyenhancing technologies.

#### L2 Consulting Services Inc. Receives STC for A330 Iridium SATCOM Installation
World’s First STC on A330 Iridium SATCOM for Rockwell Collins ICS-220A with ATS Safety Voice

Dripping Springs, Texas – August 23, 2018 – L2 Aviation is pleased to announce the company has received an FAA Supplemental Type Certificate (STC) for the installation of the Rockwell Collins Iridium SATCOM system on A330-200 and A330-300 aircraft. While L2 has achieved similar STCs for the Iridium SATCOM installation on other airframes (including the 737, 747, 757, 767 and 777), this latest STC represents the first Iridium ICS-220A/IRT-2120 approval for Air Traffic Service (ATS) Safety Voice service. The Safety Voice service provides aircraft operators with an alternative to existing HF radio systems, replacing one with a secure satellite-based option for long-range communications. The Iridium SATCOM installation includes single and dual channel, ATS Safety Voice, and data link capability.

“We are proud to have successfully completed this Iridium SATCOM STC project for the A330- 200/-300 series aircraft. This new A330 STC fully complies with the guidance as outlined in FAA Advisory Circular AC 20-150B,” said John Letlow, Program Manager. “We will now incorporate ATS Safety Voice approvals in all our ICS-220A and IRT-2120 Satcom STCs.”

Additionally, L2’s design for this STC also incorporates a multi-purpose doubler provisions that will allow the installation of either the Inmarsat HELGA, Low Gain Inmarsat antenna and an ALGA antenna, defined by ARINC 771, supporting Iridium Certus services without having to make additional structural modifications to the aircraft.

Contracted by Rockwell Collins, L2 provided engineering design, project and certification management, kit manufacturing, and on-site engineering support for Rockwell Collins’ end customer, Delta Air Lines.

#### L2 Consulting Services, Inc. Announces Approval of WxOps. Inc., OpsTablet® Software with Cobham AVIATOR SATCOM System Installation STC
Austin, Texas – June 1st, 2017 – L2 Consulting Services, Inc. (L2) announced today that WxOps. Inc., OpsTablet® software has now been approved for use with L2’s Supplemental Type Certificate (ST11187SC). The STC approves the installation of the Cobham SATCOM AVIATOR SwiftBroadband (SBB) Satellite Communications System on Hawaiian Airlines 767-300 series aircraft, using Inmarsat’s ACARS Ground Gateways (AGGWs) to carry both FANS safety messages and ACARS operational messages. L2 originally received FAA approval for the STC in 2015 after providing integration engineering, producing installation kits, providing program and certification management and remote installation services.

“Hawaiian Airlines is an enthusiastic adopter of FANS and CPDLC and recognizes the on-going benefits of a fully connected cockpit,” said L2 President, Mark Lebovitz. “The approval of WxOps, Inc., OpsTablet® software enhances situational awareness, safety and fuel management.” The AVIATOR SATCOM System is a standalone satellite voice, data and communications system that uses Inmarsat’s SwiftBroadband Services. Overall the system is intended to support the FAA’s PARC CWG (Performance-Based Operations Aviation Rulemaking Committee Communications Working Group) initiative to evaluate communication technologies that are expected to be viable in meeting the needs of the airline community.

The system can provide both voice and data communications, including Air Traffic Control Communications, with the addition of many enhanced features such as immediate aircraft tracking information and Ethernet ports for connecting devices like Aircraft Interface Devices (AIDs) and Electronic Flight Bags (EFBs) for the pilots to obtain real-time information, including graphical weather updates. The connectivity will facilitate dynamic routing to favorable winds and away from unfavorable weather

#### L2 Consulting Services, Inc. Announces Contract for the Installation of Rockwell Collins Large   Display System (LDS) on Boeing 757 and 767 Aircraft
Austin, Texas – November 29th, 2017 ‐ L2 Consulting Services, Inc. (L2), a leader in avionics integration and installation services for the global air transport industry, today announced a contract to upgrade Boeing 757 and 767 aircraft with the Rockwell Collins Large Display avionics suite (LDS). L2 has been contracted by Rockwell Collins to provide engineering design and provide project management for the upgrade program.

The 757/767 Large Display System upgrade solution brings the advanced flight deck technology of the Boeing 787 to the 757 and 767 platforms, by replacing the aging cathode ray tube (CRT) displays and numerous analog instruments with three multi‐redundant large‐format displays. The upgrade reduces maintenance costs through increased reliability, as well as provides a proactive solution for managing CRT obsolescence.

“The new avionics display upgrade program will replace existing CRT displays on the Boeing 757 and 767 aircraft platforms,” said Kevin Paul, L2 Manager, Program Management. “The installation of the Rockwell Collins display suite not only enhances situational awareness for the flight crew, but is also 80 pounds lighter than the existing CRTs, thus offering substantial fuel savings over time.”

Overall, the Large Display System retrofit contains over 1800 new wiring segments, 75 newly designed L2 hardware components, including a redesigned Forward Instrument Panel compliant with the Boeing Flight Deck philosophy, and numerous advanced manufacturing additive manufacturing (3D printed) parts to support the adaptation of the legacy cooling system with the new flight system displays. In total, L2 will be providing Rockwell Collins’ end customer with seventy‐five 757 and fifty‐nine 767 installation kits.

A lead Project Engineer for the B757/B767 upgrade said, “The L2 team has provided fantastic support with all aspects of this upgrade program and we look forward to the successful completion of the first aircraft installation in a couple of months.”

L2 expects FAA Supplemental Type Certification for the upgrade program to be awarded in the second quarter of 2018. The entire program is expected to be completed by the end of 2020.

#### L2 Consulting Services, Inc. Awarded Supplemental Type Certificate for 777 Series Inmarsat Swiftbroadband Upgrade Using Rockwell Collins SAT-2100B
Austin, Texas – March 3rd, 2011 – L2 Consulting Services, Inc (L2) is pleased to announce that the company has been awarded an FAA Supplemental Type Certificate (STC ST11037SC) for the installation of the Inmarsat Swiftbroadband upgrade to the Rockwell Collins SAT-2100B Satellite Communications System on Boeing 777 series aircraft. The installation, which was an upgrade to Rockwell Collins SAT2100, was accomplished on V Australia Airlines 777-300ER.

L2 President Mark Lebovitz said, “This was the first air transport STC offered outside of factory installation for the SAT-2100B system.” He added, “The professionalism of the L2 certification team and the continued trust of our customers allow us to always be on the leading edge of avionics systeminstallations and certifications.”

The Rockwell Collins SAT-2100B Satellite Communications System is a compact lightweight and economic satellite communications offering. The incorporation of the Inmarsat Swiftbroadband upgrade supports high speed data which allows more simultaneous users and more demanding applications. L2 also holds the following STCs for 777 series aircraft: ST0030BO – Electronic Flight Bag (EFB) System, ST10972SC – Iridium Communications System, and ST10974SC – Terminal Wireless Local Area Network (TWLU).

#### L2 Consulting Services, Inc. Celebrates 20th Anniversary
Austin, Texas – August 23, 2017 ‐ L2 Consulting Services, Inc. (L2), a leader in avionics integration and installation services for the global air transport industry, is proud to celebrate the company’s 20th anniversary in business. L2 began operations in 1997 as a group of liaison engineers focused on reducing aircraft down time. It has since become an industry recognized presence by consistently exceeding customers’ quality and scheduling requirements for a myriad of avionics integration and installation services. The company offers comprehensive avionics program management, engineering design and certification services, kit manufacturing and remote installation services for airlines and avionics suppliers, worldwide.

“Since our founding, L2 has been at the forefront of providing aircraft operators with vital avionics systems that address airline operational and safety issues,” said Mark Lebovitz, L2 President. “Over the last twenty years, we have steadily grown both our capabilities and size while working with the world’s preeminent avionics suppliers and major airlines. L2’s purpose has always been to keep aircraft in the air where they belong, more safely. We ensure that our designs, kits and remote services are not only focused on reducing aircraft downtime, but also the ease of installation and long‐term maintenance support.”

L2 offers its customers seamless integration services for operational solutions such as worldwide CPDLC, e‐Enabled aircraft, and complete flight deck retrofits. L2 has successfully integrated and certified avionics systems on aircraft ranging from 7 passenger Cessna Citation business jets up to Boeing 747‐400 capable of carrying 524 passengers. The company holds numerous Supplemental Type Certificates (STCs) and Parts Manufacturing Approvals (PMAs). L2 has an FAA Part 145 Repair Station and has AS9100 Quality Management System certification. Additionally, L2 has professional remote avionics modification teams that modify aircraft at customer sites or maintenance facilities.

“Maintaining our focus on minimizing aircraft downtime has helped us remember that the key to a trouble‐free avionics installation begins with a complete, installation focused design,” Dean Rudolph, L2 Vice President of Operations, stated. “We couldn’t be more proud of the commitment to continuous improvement demonstrated by our world class team members over the last 20 years.”

As L2 evolves, the company will continue to expand its capabilities and services ‐ focusing on strong business relationships, providing best‐in‐class avionics integration services and exceeding customer expectations.

#### L2 Consulting Services, Inc. Names Michael Eiras as Director of Technical Services
Austin, Texas – June 13th, 2012 – L2 Consulting Services, Inc (L2), a leading provider of avionics integration engineering and installation services, announced the appointment of Michael Eiras as Director of Technical Services. Mr. Eiras (age 47) will assume his new duties, effective immediately.

With well over 17 years of extensive aviation experience in both commercial and government directed operations, Mr. Eiras will manage and direct the company’s technical services for all company products. Additionally, he is responsible for ensuring that all technical work generated meets the company’s procedures and quality standards. L2 President Mark Lebovitz said, “We are delighted that Michael has taken this position with L2.” He added, “His vast experience and technical expertise will certainly be of benefit to L2 and its customers.”

Prior to joining L2, Mr. Eiras worked for Enflite (A Sikorsky Aerospace Services Company), where he oversaw the development, test and certification of new aircraft products including aircraft seating, galleys and other aircraft interior components. In 1995, he founded Quadrus Corporation, a software development and systems engineering firm that supports government prime contractors needs. He later sold the company to a group of investors. Mr. Eiras began his career with United Airlines during which time he held various engineering positions dealing with aspects from maintenance to installation and testing of communications, navigation and passenger entertainment systems. Mr. Eiras holds a degree from Embry-Riddle Aeronautical University along with numerous other certifications including FAA licensed Airframe and Powerplant mechanic, Certified Project Manager and Microsoft Certified System Engineer.

#### L2 Consulting Services, Inc. Receives AS9100D Certification
Dripping Springs, Texas – February 20, 2018 ‐ L2 Aviation is proud to announce the company’s Quality Management System Certification has upgraded to AS9100 Revision D (AS9100D). The AS9100D Certification is a standardized quality management and quality assurance system specifically developed for the aviation, space and defense industry sectors. Through two consecutive audits, L2 achieved zero non‐conformance reports, which is a testament to the company’s ongoing dedication to maintaining high‐quality industry standards and processes. The L2 audits were conducted by Michigan‐based Perry Johnson Registrars and were completed on (Date?). Out of a list of over 450 certified AS9100 aviation companies, L2 is just one of a handful to currently achieve the AS9100D status.

“L2 is devoted to providing best‐in‐class avionics integration services and products for our growing list of commercial and military customers around the world,” said Mark Lebovitz, L2 President. “The AS9100D certification is a globally recognized mark of excellence for which we take immense pride in attaining.”

While incorporating the full ISO 9001 standards of quality management and assurance, the AS9100D certification and compliance is often a prerequisite of doing business with most major aerospace OEM’s and suppliers worldwide.

“L2’s successful completion of the AS9100D certification audits, without any non‐conformity reports, speaks volumes about our company’s core mission and the professionalism of our team members,” L2 Vice President of Operations, Dean Rudolph stated.

The AS9100D Quality Management System Certification covers such standardized items as requirement conformance measurement, risk management, delivery performance, product safety, and operational processes.

#### L2 Consulting Services, Inc. Receives CAAC Validation of Supplemental Type Certificate for Iridium Communications System on 737 Next-Generation Series Aircraft
Austin, Texas – July 29th, 2014 – L2 Consulting Services, Inc. (L2) is pleased to announce that the company has received a Civil Aviation Administration of China (CAAC) Validation Supplemental Type Certificate (VSTC0657) for the installation of the Iridium Communications System on 737-700/-800 aircraft. The original Federal Aviation Administration Supplemental Type Certificate (ST10928SC) was certified by L2 for both the ICG NxtLink ICS220A and Rockwell Collins IRT-2120 Iridium Satcom systems.

L2 Vice President of Operations, Dean Rudolph said, “We are delighted to have received the CAAC validation of our STC and are now able to offer our customers in China a fully certified Iridium Communications solution on the B737NG series aircraft.”

The NxtLink ICS-220A and IRT-2120 devices are a comprehensive communications system that provides the Flight Crew with a dedicated Data Link channel to support; Aircraft Communications and Reporting System (ACARS), FANs messaging, Controller – Pilot Data Link Communications (CPDLC) and an exclusive global voice channel. L2 developed all of the engineering and managed the entire STC regulatory process with the Civil Aviation Administration of China. L2 also holds existing Iridium certifications on B747, B757, and B767 aircraft.

#### L2 Consulting Services, Inc. Receives Cobham Aviator 300D STC Major Change Approval
Dripping Springs, Texas – February 28, 2018 ‐ L2 Aviation announced today, that the company has received approval for a major change to its Cobham Aviator 300D Supplemental Type Certificate (STC) on B767‐200, ‐300 and ‐300F series aircraft. The major change now includes installing a new SATVOICE Status Panel and a dialer to the existing Aviator SATCOM system. This change enables SATVOICE capabilities in accordance with FAA Advisory Circular AC 20‐150B.

L2 originally received its STC for the Aviator SATCOM system (ST11187SC) on June 1st, 2017 and has since worked to include SATVOICE capabilities.

David Hoey, L2 Program Manager said, “This FAA Advisory Circular is not mandatory, however L2 has always made it a point to focus on providing the latest technological and safety advances for its customers and we are pleased that we have received this approval.”

The new SATVOICE Status Panel provides annunciation of all incoming and outgoing call priorities. This call preemption feature allows a call of higher priority to preempt a call of lower priority.

#### L2 Consulting Services, Inc. Receives Contract to Certify Cobham AVIATOR SATCOM System on Hawaiian Airlines 767-300 Series Aircraft for FANS
Austin, Texas – October 13th, 2014 – L2 Consulting Services, Inc. (L2) is pleased to announce that the company has received a contract from Cobham SATCOM to develop the Supplemental Type Certificate (STC) for the installation of the AVIATOR SATCOM Swiftbroadband (SBB) Satellite Communications System on Hawaiian Airlines 767-300 series aircraft using ACARS Ground Gateways (AGGWs) to carry FANS/ACARS safety messages. L2 is developing the integration engineering, producing installation kits, and providing certification and project management for the program. Additionally, L2 will be providing Cobham SATCOM with remote installation services. The design phase of the program has already commenced, with the prototype installation and certification scheduled for completion in the first quarter of 2015.

L2 President, Mark Lebovitz said, “This FANS 1 Controller Pilot Data Link Communication and Automatic Dependent Surveillance Contract to implement over SwiftBroadband Safety Services certification project is intended to support the FAA’s initiative to evaluate communication technologies that are expected to be viable in meeting the needs of the aviation community.” He added, “We are delighted that Cobham SATCOM has entrusted our company with such a significant program to support FANS Evaluation flight trials towards meeting ICAO GOLD RCP240 requirements for support of 30/30 NM operations.”

The Hawaiian Airlines B767s will be retrofitted with Cobham SATCOM’s current generation AVIATOR SwiftBroadband SATCOM hardware, which includes an IGA-5001 intermediate gain antenna. The system is capable of providing both voice and data communications with the addition of many enhanced features such as immediate aircraft tracking information and Ethernet ports for connecting devices like Aircraft Interface Devices (AIDs) and Electronic Flight Bags (EFBs) for the pilots to obtain real-time information, including graphical weather updates. The connectivity will facilitate dynamic routing to favorable winds and away from unfavorable weather.

#### L2 Consulting Services, Inc. Receives FAA Approval for Amended SmartRunway® and SmartLanding® RAAS Supplemental Type Certificate on 767 Series Aircraft
Austin, Texas – November 18th, 2013 – L2 Consulting Services, Inc. (L2) announced that the company has successfully completed an amended Supplemental Type Certificate (STC) process for the installation of the enhanced Honeywell Runway Awareness and Advisory System (RAAS) on 767 series aircraft. The L2 owned STC (#ST10466SC), was revised to include a PN-236-236 software enhancement hosted in the Mark V Enhanced Ground Proximity Warning System (known as SmartLanding® & SmartRunway®). The revision also included a new “INOP” (inoperable) annunciation along with existing “OVRD” (override) functions. Overall, the system provides alerts that supplement flight crew awareness of aircraft position during ground operations and on approach to landing. The amended STC applies to all 767-200, -300 and -400ER series aircraft.

L2 President, Mark Lebovitz said, “L2 is pleased to continually be at the forefront of providing its customers with the latest in avionics safety and operational enhancements.”

For this program, L2 developed all of the integration engineering, initialized and managed the STC regulatory process, produced the installation kits and provided overall project management along with the “return to service” field installation services for an undisclosed VVIP customer.

#### L2 Consulting Services, Inc. Receives FAA Approval for the Installation of Rockwell Collins Iridium SATCOM on Alaska Airlines 737-800 Fleet
 

Austin, Texas – October 15th, 2012 – L2 Consulting Services, Inc. (L2) announced that is has received FAA approval for the installation of the Rockwell Collins IRT-2120 Iridium SATCOM system on Alaska Airlines fleet of 737-800 aircraft. The project was prompted by operator requirements and included certification of a new ePhone cabin wireless bulkhead cradle configuration. The STC revision was accomplished via an amendment to L2’s 737-800 SATCOM installation Supplemental Type Certificate #ST10928SC. The prototype system installation was completed at the end of August and the rest of the 48 aircraft will be retrofitted over the coming months.

L2 Technical Services Director, Michael Eiras, said, “I am very proud of the L2 engineering team and kit production team as the STC amendment project was completed on-time and on-budget while processing prototype integration challenges.”

L2 developed the installation engineering, manufactured the installation kits and provided complete STC revision project management.

#### L2 Consulting Services, Inc. Receives FAA Supplemental Type Certificate for Iridium SATCOM on 767 Series Aircraft
Austin, Texas – January 6th, 2014 – L2 Consulting Services, Inc. (L2) is pleased to announce that the company has received a Federal Aviation Administration Supplemental Type Certificate (STC) for the installation of the International Communications Group, Inc. (ICG) Iridium SATCOM on 767 series aircraft. The STC allows for the installation of the ICG NxtLink Series ICS-120A and ICS-220A line replaceable units. Both devices deliver a comprehensive communications system that provides the Flight Crew with an exclusive global voice channel and a dedicated Datalink channel to support Aircraft Communications Addressing and Reporting System (ACARS), Future Air Navigation System (FANs) messaging, Automatic Dependent Surveillance Contract (ADS-C) and Controller Pilot Data Link Communication (CPDLC).

L2 Senior Director of Technical Services, Michael Eiras said, “The recent addition of the Iridium Communications System STC on the 767 aircraft further complements our existing portfolio of SATCOM installations on the 737, 747, 757 and 777 aircraft.”

L2 developed all of the integration engineering, initialized and managed the STC regulatory process, produced the installation kits and provided overall project management along with the “return to service” field installation services for an undisclosed VVIP customer.

#### L2 Consulting Services, Inc. Receives Japan Civil Aviation Bureau Supplemental Type Certificate for Iridium Communications System on 737 Next-Generation Series Aircraft
Austin, Texas – April 27th, 2015 – L2 Consulting Services, Inc. (L2) is pleased to announce that the company has received a Supplemental Type Certificate (STC-424-TYO) from the Japan Civil Aviation Bureau (JCAB) for the installation of the Iridium Satellite Communications System on Boeing 737-700/-800 aircraft. The original Federal Aviation Administration Supplemental Type Certificate (ST10928SC) was certified by L2 for both the ICG NxtLink ICS-220A and Rockwell Collins IRT-2120 Iridium Satcom systems.

Dean Rudolph, L2 Vice President of Operations said, “L2 now holds FAA, EASA, Transport Canada, CAAC and JCAB approvals for our modular, multiple configuration 737 Satcom solution.”

L2 developed the engineering, produced the installation kits and managed the JCAB STC regulatory process to ensure a successful integration for the Japanese operator. The NxtLink ICS-220A and IRT-2120 devices are a comprehensive communications system that provides the Flight Crew with a dedicated Data Link channel to support; Aircraft Communications and Reporting System (ACARS), FANs messaging, Controller – Pilot Data Link Communications (CPDLC) and an exclusive global voice channel. L2 also holds existing Iridium certifications on B747, B757, and B767 aircraft.

#### L2 Consulting Services, Inc. Receives Korean Validation of STC for ACARS Data-link Installation on 767 Series Aircraft
Austin, Texas – July 17th, 2013 – L2 Consulting Services, Inc. (L2) is pleased to announce that the company has received validation from The Republic of Korea’s Ministry of Land, Infrastructure and Transport for Supplemental Type Certificate (ST11124SC). The STC is for the installation of the ARINC 758 Aircraft Communications Addressing and Reporting System (ACARS) Data-link system on 767 series aircraft. The L2 owned STC was originally awarded FAA certification in February of this year.

L2 Director of Business Development, Ramon Montemayor, said, “The validation of our STC by The Republic of Korea further enhances our reputation as a globally respected avionics design and integration provider.” He added, “This validation also expands our business opportunities within the region.”

The ACARS system allows for faster and more accurate communications with Air Traffic Control and airline operations thereby improving safety and efficiency of airline and airspace operations. The validation of the STC applies to the ACARS installation on B767-300 series and 767-300F series aircraft.

#### L2 Consulting Services, Inc. Receives Part 23 AML‐STC for Avionica MiniQAR
Dripping Springs, Texas – April 11, 2018 ‐ L2 Aviation is proud to announce the company has received its first Approved Model List Supplemental Type Certificate (AML‐STC) for the installation of Avionica miniQARs (Miniature Quick Access Recorder) and 4G cellular transmission modules for use on Part 23 turboprops and popular Part 23 light jets. The AML‐STC (SA09887AC) is now FAA approved and suitable for aircraft such as the HondaJet, Pilatus PC‐12, Beechcraft King Airs, Phenom 100 & 300, and the Part 23 Cessna Citations, among others. The data acquisition solution marries the Avionica miniQAR MkIII with their avCM 4G Cellular Module to enable operators to get automated flight data offloaded to their preferred ground systems, and Avionica’s proprietary cloud service, avSYNC. The system also supports on‐ground internet access for In‐Flight Entertainment Systems (IFE), Electronic Flight Bag (EFB) updates, and operational datalinks. This marks both the first FAA Part 23, and AML‐STC for L2 Aviation.

“There is growing need for data solutions in all classes of aircraft and the popular Avionica miniQAR and avCM Cellular Module will make for safer operations and may enable FOQA programs for Part 23 aircraft with newly available data. Our certification team capitalized on our excellent relationship with Avionica and its existing certifications for Part 25 aircraft data management equipment,” said L2 Aviation’s Vice President of Operations Dean Rudolph. “It was a great pleasure working with the Avionica team to expand their air transport solutions into the small aircraft market.”

“The miniQAR Mk III packs a lot of recording capability into a very small package,” said Avionica Sales Vice President Anthony Rios. “We pioneered miniaturized QAR’s for aviation back in the 1990s and now, with wireless transfer capabilities, solid‐state reliability, 3,000 hours of recording capacity, and easy installation, operators of light jets can now take advantage of this industry‐leading data management capability.”

L2 provided Avionica with all the required installation engineering design, project management and achieved the certification for the installation of the miniQAR/avCM system.

#### L2 Consulting Services, Inc. Receives STC for the Installation of Cobham AVIATOR SATCOM System on Hawaiian Airlines 767-300 Series Aircraft for FANS 1/A+
Austin, Texas – June 09, 2015 – L2 Consulting Services, Inc. (L2) announced today that the company has received an FAA approved Supplemental Type Certificate (ST11187SC) for the installation of the Cobham SATCOM AVIATOR Swiftbroadband (SBB) Satellite Communications System on Hawaiian Airlines 767-300 series aircraft, using Inmarsat’s ACARS Ground Gateways (AGGWs) to carry FANS/ACARS safety messages. L2 was originally awarded the contract in October of 2014 to develop integration engineering, produce installation kits and provide certification and project management for the program. Additionally, L2 provided remote installation services for the installation of the Cobham system.

L2 President, Mark Lebovitz said, “I am extremely pleased with the L2 team for executing this program on schedule while meeting all customer and regulatory expectations.” He added, “Hawaiian Airlines operations will now support the FAA initiative to further evaluate this new safety service over the Pacific Tracks.” Mr. Lebovitz also stated, “We are motivated to support improved aviation safety services, so we developed an STC to approve the new high speed Inmarsat datalink and position reporting communication option.”

The AVIATOR SATCOM System is a standalone satellite voice, data and communications system that uses Inmarsat’s SwiftBroadband Services. Overall the system is intended to support the FAA’s PARC CWG (Performance-Based Operations Aviation Rulemaking Committee Communications Working Group) initiative to evaluate communication technologies that are expected to be viable in meeting the needs of the airline community.

The system is capable of providing both voice and data communications, including Air Traffic Control Communications, with the addition of many enhanced features such as immediate aircraft tracking information and Ethernet ports for connecting devices like Aircraft Interface Devices (AIDs) and Electronic Flight Bags (EFBs) for the pilots to obtain real-time information, including graphical weather updates. The connectivity will facilitate dynamic routing to favorable winds and away from unfavorable weather.

#### L2 Consulting Services, Inc. Receives STC for the Installation of the  Panasonic FlightLink™ Satcom System on 737NG Series Aircraft
Austin, Texas – February 06, 2018 ‐ L2 Consulting Services, Inc. (L2) announced the company has received an FAA approved Supplemental Type Certificate (ST09865AC) for the installation of Panasonic’s Iridium‐based FlightLink™ Satcom system on 737NG series aircraft. The STC applies to 737‐700,‐800, ‐900 and ‐900ER aircraft. L2 was awarded the contract by Panasonic to develop integration engineering, produce installation kits and provide overall certification and project management for the program. Additionally, L2 provides remote installation services for Panasonic’s end customer, Malaysia‐based Malindo Air.

L2 Vice President of Operations, Dean Rudolph said, “L2 is continually focused on supporting improved aviation safety and the installation of the Panasonic FlightLink™ system supports that objective.” He added, “The L2 team did an exceptional job of meeting all customer requirements in a timely and efficient manner.”

L2 installed and certified the FlightLink™ Satcom system with Panasonic’s proprietary TAMDAR weather sensor. The TAMDAR, Tropospheric Airborne Meteorological Data Reporting, sensor is a key component for collecting high quality weather data from the atmosphere during flight operations. The entire FlightLink system can also enable full flight tracking capability, adding yet another layer of safety for the operator. When combined with Panasonic’s web‐based AirMap application in the airline’s operational control center, the system satisfies ICAO’s Global Aeronautical Distress and Safety System definitions for both normal and abnormal tracking.

#### L2 Consulting Services, Inc. Successfully Completes the Large-Format Display (LDS) Program with Rockwell Collins
 

Austin, Texas – September 3rd, 2014 – L2 Consulting Services, Inc. (L2) is pleased to announce that the company has successfully supported the Rockwell Collins ODA with their efforts in securing an FAA Supplemental Type Certificate for the Boeing 767 large-format display (LDS) retrofit. L2 was tasked with developing the engineering design and analysis for the installation kit, producing the installation kits and providing prototype remote installation support services for Rockwell Collins.

L2 President, Mark Lebovitz said, “We are pleased that Rockwell Collins continues to place value on the high level of service L2 is able to provide.” He continued, “And we are delighted to deliver this very complex retrofit program on schedule.”

The 767 upgrade features three large-format LCD displays that replace six cathode ray tube (CRT) displays and numerous analog instruments.

Dean Rudolph, L2 Vice President of Operations said, “The Rockwell Collins large format display retrofit provides operators with multiple benefits ranging from maintenance and cost savings to improved safety features.”

By utilizing L2’s aircraft avionics systems integration expertise, Rockwell Collins customers achieve real benefits from the 767 large format display retrofit. These benefits include enhanced flight crew situational awareness, a platform to incorporate future safety-enhancing technology such as airport taxi maps, data link weather, surface guidance and enhanced visions systems and the benefit of aircraft life extension by proactively managing CRT obsolescence.

#### L2 Expands Military Services with KC-10 ADS-B Upgrade
Subcontract for Remote Avionics Modification Installation Program with KC-10 ADS-B Upgrade

Dripping Springs, Texas – November 11, 2019 – L2 Aviation announced today they have been awarded an avionics installation subcontract from Collins Aerospace. L2’s Remote Avionics Modification Services (RAMS) teams will install the Mode-5 Automatic Dependent SurveillanceBroadcast (ADS-B) upgrades for the U.S. Air Force KC 10 Extender Aerial Refueling Tanker Fleet under Solicitation Number FA8105-19-R-0006.

L2 Aviation will provide multiple Contract Field Teams to complete 58 KC-10 installations at select sites around the United States, most efficient for Air Force operations. Based on L2’s long-standing remote installation success, completing projects in the least amount of aircraft downtime, L2 was selected by Collins Aerospace to perform four concurrent modification lines, to meet the KC-10’s fleet Mode-5/ADS-B activation goals.

Mark Lebovitz, President L2 Aviation, said, “The KC-10 ADS-B scope is an important program award for L2 Aviation as we build on our 22-year history of successful remote installations, minimizing aircraft out of service time, and expanding our solutions into the military and government segments . This award demonstrates our never-ending commitment supporting the military with our Contractor Field Teams, Group A-kit Manufacturing, and Avionics Integration Capabilities.”

#### L2 Large Display Systems (LDS) Just Keeps Shipping Out
L2 Aviation in Dripping Springs, TX, just outside of Austin is accelerating its production of PMA installation kits for the STC to modify and modernize B757 and B767 cockpits. These modifications go from six Cathode Ray Tube (CRT) primary flight displays (LDS) plus numerous analog instruments to three 15.1” Rockwell Collins large EFIS displays plus the required standby instruments. The upgrade and certification were completed for Star Air through a collaborative effort between Rockwell Collins, Boeing and L2 Aviation.

The primary benefits of modernization are economic efficiency through a >150lb weight reduction, massively improved display system reliability, removing 16 LRUs from a spares inventory and Boeing flight deck commonality between the LDS and the B737 Max and B787. Plus, operators have calculated a three year payback using standard market assumptions. Over 5 airlines have already committed to install the LDS into their fleets of B767 and/or B757 aircraft.

There are roughly 750 B767s and 700 B757s that are eligible for this modernization and the operators who rely on a fleet of these workhorse aircraft are strongly considering this upgrade to extend their aircraft’s life with the future NextGen airspace transformation requirements. L2 took this project on with typical Program Management dedication as evidenced by developing and using a new, proprietary Wire Analysis and Listing Tool (WALT), completing everything and being awarded the FAA STC ahead of the year-long project schedule by 17 days. L2 designed a new Instrument Panel (IP) out of a single block of aluminum, all wiring harnesses and other support bracketry and cockpit control panels for the replacement of the CRT “As Built” cockpit instrumentation and equipment.

This STC marks the 25th FAA STC for L2 Aviation since 1997. They have become the industry expert right behind Boeing, in the B767 and B757 cockpit integration and modernization. Airlines are now using QAR data collection to see more of what is really happening inside and on their assets, thereby extending the lives of older aircraft making these modernization decisions much easier to make and install. It is now proven that these legacy airplanes can continue to deliver more net profit per aircraft for their shareholders and their companies.

Five more LDS kits being prepped for shipping, behind the L2 B767 Mockpit® used for the LDS design and installation instructions.

#### L2 Receives FAA Amended STC for Iridium SATCOM – Safety Voice on B757
STC adds Iridium SATCOM – ATS Safety Voice and TouchDU display

Dripping Springs, Texas – February 21, 2019 – L2 Aviation, a recognized leader in avionics modifications and installations, has been awarded an amended Supplemental Type Certificate (STC) for a major US Carrier to install an Iridium Satcom system for worldwide SATVOICE safety Services in compliance with AC 20-150B. The upgrade will begin with 15 of the airlines’ fleet of 757-200 aircraft. This project expanded upon L2’s existing STC ST10938SC to add the latest available avionics equipment for SATVOICE and integrating a new Gables Engineering TouchDU multifunction touchscreen display.

“This is a landmark technology upgrade for L2 as it provides full integration of ATS Safety Voice on a 757 aircraft,” said Kevin Paul, L2 Vice President, Engineering Value Stream. “L2 makes it a practice to focus on providing the latest technological and safety advances for its customers. This project reinforces our pursuit. We remain ready to offer this STC to the many other global airlines that continue to see value in the B757 platform.”

The installation of the Gables TouchDU replaces the previously installed ACARS Data Link Control Panel (DLC-800) as a dedicated touchscreen display for ARINC 739 subsystems ACARS, CPDLC, and SATCOM.

The program was awarded to L2 by a major US Carrier to provide certification, design engineering, on-site engineering support, kit manufacturing and overall project management for this upgrade project.

In August of 2018, L2 announced an STC for the Collins Aerospace Iridium Satcom on the A330- 200/-300 aircraft, which included Iridium installation with ATS Safety Voice service. The ATS Safety Voice service provides aircraft operators with an alternative to one existing HF radio or enhancing dispatch capability with an additional secure satellite-based option for long-range communications. L2 STC Service Bulletin (SB) upgrades for SATVOICE are also available for the B777 and B757 now, with the B737 and B767 SB approvals scheduled for April.

#### L2 Viasat Galaxy 1 Onboarding
CINCINNATI & ERLANGER, Ky. – May 4, 2026 – PRLog — Viasat Inc., a global leader in satellite communications, today announced L2 Aviation has joined its Velaris ecosystem via Galaxy 1 Communications: bringing advanced avionics integration and certification expertise to Advanced Air Mobility (AAM) and uncrewed aviation.Until now, the AAM sector has focused primarily on technical feasibility demonstrations. However, scaling operations safely depends on embedding connectivity into certified avionics architectures that can operate within regulated airspace. By welcoming L2 Aviation into the Velaris ecosystem, Viasat has taken a further step towards closing that gap.L2 Aviation is a globally established avionics design, engineering, certification, manufacturing and installation specialist with nearly three decades of experience delivering safety-critical aircraft modifications across commercial, business, cargo and military fleets. Through the Velaris ecosystem, L2 will apply this expertise to support the integration and certification of satellite communications (satcom) for uncrewed aircraft systems (UAS) and AAM platforms as they transition from demonstration to deployment.Viasat Velaris provides global satellite connectivity designed specifically for uncrewed and emerging aircraft, enabling command and control and other essential operational data links. The Velaris ecosystem connects connectivity, integration, and service partners to help operators move from early deployments to compliant, scalable operations.The move follows March’s news that Galaxy 1 Communications is collaborating with Viasat to enhance the delivery of Velaris within the industry. Working closely with Viasat, Galaxy 1 is extending the reach of Velaris through its Distribution Partner-as-a-Service (DPaaS) model and bringing further experts, like L2 Aviation, into the ecosystem. Rather than acting as a traditional distributor, Galaxy 1 provides a managed operational layer that abstracts the complexity of provisioning, billing, compliance oversight and integration into a unified framework.“Right now, the industry is focused on what it will take to enable routine, regulated AAM operations, so it is clear that certification-ready connectivity and avionics integration must advance together,” said Joel Klooster, SVP Aircraft Operations and Safety at Viasat. “Bringing L2 Aviation into the Velaris ecosystem through Galaxy 1 reflects that shift from proving concepts to building operational capability. Their experience strengthens how Velaris supports the next phase of AAM deployment, where safety, certification, and scalability are immediate priorities.”“Advanced Air Mobility will not scale on capability alone. It will scale when that capability is engineered into certified, operational systems that regulators trust and operators can rely on every day,” said Tony Bailey, President and Chief Operating Officer at L2 Aviation. “Our role within the Velaris ecosystem is to integrate satellite connectivity into avionics architectures that meet real-world certification standards. Working alongside Viasat Inc. and Galaxy 1 Communications, we are focused on delivering systems that are certifiable, scalable, and ready to support routine AAM and uncrewed operations.”“Advancing safe, scalable UAV and AAM operations requires more than just connectivity—it demands a fully integrated, certifiable ecosystem,” said Gino Jensen, Chief Technology Officer at Galaxy 1 Communications. “Our programme is focused on delivering exactly that, combining resilient multi-network communications with the operational frameworks needed for regulated flight. Bringing on board L2 Aviation as a partner is a significant step forward. Their deep expertise in avionics integration and certification strengthens our ability to support airworthiness, compliance, and system interoperability—helping accelerate the path from innovation to real-world, commercially viable deployment.”About ViasatViasat is a global communications company that believes everyone and everything in the world can be connected. With offices in 24 countries around the world, our mission shapes how consumers, businesses, governments and militaries around the world communicate and connect. Viasat is developing the ultimate global communications network to power high-quality, reliable, secure, affordable, fast connections to positively impact people’s lives anywhere they are—on the ground, in the air or at sea, while building a sustainable future in space. In May 2023, Viasat completed its acquisition of Inmarsat, combining the teams, technologies and resources of the two companies to create a new global communications partner. Learn more at www.viasat.com, the Viasat News Room or follow us on LinkedIn, X, Instagram, Facebook, Bluesky, Threads, and YouTube.Copyright © 2026 Viasat, Inc. All rights reserved. Viasat, the Viasat logo and the Viasat Signal are registered trademarks in the U.S. and in other countries of Viasat, Inc. All other product or company names mentioned are used for identification purposes only and may be trademarks of their respective owners.Viasat, Inc. ContactsRichard Jones, External Communications, Corporate & Commercial Services, richard.jones@viasat.com, Lisa Curran/Peter Lopez, Investor Relations, IR@viasat.com

### Pages

#### About L2 Aviation
Who We ARE

About L2 Aviation

Founded on Engineering and Accountability

L2 Aviation was established during a period of significant transformation in avionics technology. As aircraft systems became more digitally integrated and certification pathways more rigorous, operators required engineering partners capable of aligning innovation with regulatory compliance.From the beginning, our focus has been clear: deliver technically sound, certifiable avionics solutions supported by thorough documentation and accountability. This foundation allowed us to earn the trust of operators and OEMs working in environments where safety, compliance, and reliability are non-negotiable.

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Growing Alongside the Industry

As avionics systems advanced, L2 Aviation expanded its capabilities to support full avionics system integration programs, STC development, FAA-certified product support, equipment manufacturing coordination, and long-term fleet initiatives.Each phase of growth was driven by customer demand. Operators required deeper engineering involvement, accelerated certification support, and partners capable of sustaining aircraft throughout their operational lifecycle.Our service portfolio reflects how avionics engineering is performed in modern aviation, integrated, accountable, and aligned with operational realities.

Experience Across All Aircraft Types and Missions

Over the past three decades, L2 Aviation has supported:

Commercial airline fleets

Cargo operations

Business and private aviation

Military and government aircraft programs

This cross-sector experience strengthens our ability to anticipate technical challenges, navigate regulatory frameworks, and apply proven engineering solutions across diverse aircraft platforms.

Lessons learned in one sector often inform improvements in another, creating a depth of expertise that benefits every program we support.

#### Accessibility
URL: https://www.l2aviation.com/accessibility/

#### Advanced Air Mobility
Markets

Advanced Air Mobility

Avionics and Manufacturing Support for Unmanned and Emerging Aircraft Systems

Advanced air mobility platforms require reliable avionics systems, precision manufacturing, and alignment with evolving certification requirements. L2 Aviation supports unmanned and emerging aircraft programs with engineering, modification, and fabrication services aligned with operational and program needs.

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Unmanned Aircraft Systems Support

L2 Aviation supports Unmanned Aerial Vehicles UAV, Unmanned Aircraft UA, and Personal Air Vehicles PAV with wire harness manufacturing and avionics modifications.Custom wire harnesses are manufactured using high-performance materials to support durability and long-term operation. Avionics modifications are developed to align with aircraft-specific requirements, supporting system performance and reliability.

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Engineering and Design

L2 Aviation provides engineering and design support for both military and commercial unmanned aircraft systems.Services include aerodynamic optimization, structural analysis, systems integration, and electrical systems design, supporting development across a range of aircraft platforms.

Certification and Program Development

Unmanned and advanced aircraft programs require alignment with local and international certification requirements.L2 Aviation supports certification efforts by working with program teams to ensure aircraft systems meet applicable standards for safe operation and approval.

Manufacturing and Integration

Manufacturing and fabrication services support avionics upgrades and system integration for unmanned and emerging aircraft platforms.Components are developed to align with aircraft configuration and operational requirements, supporting integration and long-term performance.

#### Aerospace & OEMs
Markets

Aerospace & OEMs

Aerospace & OEMs

Avionics Manufacturing and Component Support for Aerospace and Space Programs

Require precision manufacturing, reliable components, and alignment with strict industry standards. L2 Aviation supports these programs with avionics manufacturing and fabrication services designed to meet demanding operational and environmental requirements.

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Aerospace and Space Applications

L2 Aviation manufactures wire harnesses and components for aircraft and space-support systems. Wire harnesses are custom-built using high-performance materials to support reliability and longevity in demanding environments. Components are developed to meet industry standards and support both manned and unmanned space applications.

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Avionics Manufacturing and Fabrication

We also manufacture wire harnesses, control panels, and components supporting aircraft avionics systems, including SATCOM systems, large display systems, and avionics upgrades.Manufacturing is aligned with aircraft-specific requirements to support installation, operation, and long-term performance.

OEM and Program Support

Our Team supports aerospace manufacturers and OEM programs with component manufacturing aligned to program requirements. Experience across avionics upgrades and system installations supports the development of components that integrate with aircraft systems and operational needs.

Trusted by:

Quality Standards and Certification

Manufacturing and fabrication activities are performed under AS9100D and ISO 9001:2015 standards. Processes are structured to support accuracy, documentation, and reliability, ensuring alignment with aerospace manufacturing requirements and safety standards.

#### Airlines, Operators & Lessors
Markets

Airlines, Operators & Lessors

Avionics Support Aligned With Your Operational Demands

Managing aircraft across commercial, cargo, and business aviation environments requires reliability, compliance, and disciplined execution. L2 Aviation supports your fleet with avionics solutions designed to integrate into real operational schedules and maintenance structures.

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Commercial Aviation

Managing tight schedules, strict regulatory oversight, and fleet configuration control requires avionics solutions that integrate without disrupting operations.With over 25 years of experience, L2 Aviation provides reliable avionics engineering and certification solutions aligned with airline operational models. Whether supporting regulatory mandates, fleet modernization initiatives, or system reliability improvements, our services integrate smoothly into existing maintenance programs while preserving configuration consistency.Fleet-wide programs introduce additional complexity, including configuration management, regulatory coordination, and documentation control. L2 Aviation provides structured engineering and certification oversight to support consistency across aircraft while minimizing operational disruption.

Trusted By:

Air Cargo

L2 Aviation provides avionics support services for cargo aircraft operations, including avionics engineering and certification, on-aircraft AOG support, engineering EO and AOG coordination, peak utilization touch-labor, and avionics modification consultation.We work with you to define and implement avionics solutions aligned with your fleet requirements. This includes legacy P2F cockpit upgrades with large display units and communications system integrations supporting satellite and broadband capabilities.Our team of highly skilled avionics engineers and technicians have the expertise and experience needed to provide comprehensive support to your cargo aircraft operations.

Trusted By:

Business Aviation

Security, speed, flexibility, and convenience are central to business aviation operations. With a business aircraft at your disposal, reliable and efficient transportation must align with your mission requirements.From light jets to turboprops and helicopters, aircraft are tailored to meet specific operational needs. L2 Aviation provides avionics support across a wide range of business aviation missions, whether operating across the country or around the world.

Trusted By:

#### AOG / Expedite Request
L2 Aviation

AOG / Expedite Request

Choose the path that matches your situation.

Aircraft On Ground (AOG)

Urgent, aircraft-grounding situations. Fastest response is by phone.

AOG Support

Expedite Request

Time-critical quotes and deliveries that are not aircraft-on-ground.

Expedite Request

#### AOG Support
What We Do 

Expedite/A.O.G.

AOG? Call us first.

For aircraft-on-ground situations, calling is the fastest path to support. Use the form below only if you are unable to call.

Call +1 (737) 304-0290

Email an AOG Request

Aircraft On Ground Support Built for Rapid Response

L2 Aviation provides deployable Aircraft On Ground (AOG) and peak operational support services for operators worldwide. Our avionics and electrical troubleshooting teams respond quickly to help minimize downtime, restore aircraft to service, and support critical operational needs across a wide range of aircraft platforms.

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Expedite Services

When time is critical, our expedite services help keep your project moving. We work directly with manufacturers, suppliers, and logistics partners to monitor order status, identify potential delays, and accelerate delivery whenever possible. With proactive communication and dedicated follow-up, we help reduce lead times and ensure your critical components arrive when you need them most. 

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Call +1 (737) 304-0290

Submit an AOG Request

Phone contact is the fastest path for AOG situations. If you prefer, submit the details below and our team will follow up.

                
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                        Tail NumberAircraft / PlatformSystem / ProductDescription of Issue*
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#### Avionics Products
Solutions

Avionics Products

Equipment Sales and Component support

L2 Aviation provides avionics products and equipment sales, including new, exchange, and overhauled components sourced from original manufacturers such as Honeywell and Collins Aerospace.

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Avionics products built for real-world operations

For avionics component and rotable parts pricing, contact L2 Aviation with your requirements.

OEM Parts and Equipment Sales

L2 Aviation is a factory support and authorized service center for new parts and warranty programs.

Components are supplied directly from original manufacturers, supporting both planned maintenance and in-service aircraft requirements. Drop ship services are available to support rapid delivery during AOG events.

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Repair and Component Support

L2 Aviation works closely with avionics manufacturers to manage the repair process and support timely turnaround of failed components.

Established relationships across manufacturer networks support efficient coordination and consistent component availability.

Component Sourcing

If a required component is not in stock, L2 Aviation works through supplier and manufacturer networks to locate and deliver the part.

This approach supports continued aircraft operations by reducing delays in sourcing critical avionics components.

#### Careers
Who We ARE

Careers

A Culture of Technical Excellence and Accountability

We believe great work starts with great people. L2 Aviation provides an environment where collaboration, accountability, and technical expertise drive every project forward. Our teams work across multiple aircraft platforms and programs, supporting innovative solutions in a fast-paced industry that demands precision and adaptability.

https://www.youtube.com/watch?v=wanCSu5aPe0&t=11s

Benefits From a Career at L2

Health Insurance

Paid Time Off

Dental Insurance

401(k)

Vision Insurance

Tuition Reimbursement

Life Insurance

Referral Program

Employee Discount Programs

Flexible Spending Account (FSA)

Health Savings Account (HSA)

Parental Leave

Professional Development Assistance

Employee Assistance Program

#### Engineering & Certification
Solutions

Engineering & Certification

From Conception to Completion

Integrated Engineering, Certification, and Program Oversight for Complex Avionics Programs

L2 Aviation delivers integrated avionics engineering, certification, and program management services designed to support compliant, efficient, and operationally sound aircraft modifications.

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Engineering That Anticipates The Entire System

L2 Aviation approaches every modification with a system-level mindset, accounting for interfaces, power loads, data flows, and certification pathways to ensure clean integration and fleet-wide consistency.

Supporting Installations, Upgrades, and Modifications

Each project begins with a detailed assessment of aircraft configuration, operational requirements, and regulatory constraints, producing engineering solutions that are compliant and minimize disruption.

Certification as a Core Discipline

Certification isn't an afterthought at L2 Aviation. It's built into every program from day one. Our teams manage regulatory requirements across design, documentation, and approvals to reduce delays and rework.

STC Development and Approved Data

L2 Aviation supports STC development across multiple aircraft platforms and avionics systems, streamlining certification pathways while maintaining full regulatory compliance.

Managing Risk, Timelines, and Oversight

A dedicated L2 Program Manager oversees every engagement from proposal through closeout, keeping projects on schedule, on budget, and aligned across engineering, certification, and installation teams.

#### Expedite Request
L2 Aviation

Expedite Request

When time is critical, our expedite services help keep your project moving. Complete the form below and our team will review availability, capacity, documentation, and your need date, then follow up.

Is your aircraft on ground? For AOG situations, please call +1 (737) 304-0290 for the fastest response.

                
        
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                        Contact Phone*Industry / MarketSelect oneAirline / Operator / LessorAerospace / OEMMilitary / GovernmentAdvanced Air MobilityPress / MediaOther
                    
                    
                          
                    
                
                
                    
                        Aircraft / Platform / EquipmentIf applicable.Part NumberIf known.QuantityPart Description
                    
                    
                          
                    
                
                
                    
                        Date pricing and lead time response is needed*
                            
                            MM slash DD slash YYYY
                        
                        Requested Need Date
                            
                            MM slash DD slash YYYY
                        
                        Current Required Delivery Date / Customer Deadline
                            
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                        Reason for Expedite Request*Additional Notes / Request Details
                    
                    
                          
                    
                
                
                    
                        Attachment authorization*
			
				
				An NDA is already in place between my company and L2 Aviation.
			
			
				
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#### General Information
Resources

General Information

L2 Aviation at a Glance

The L2 Aviation informational one-pager provides a summary of services, capabilities, and program support across aviation sectors.

It includes an overview of engineering and certification services, manufacturing and kitting capabilities, remote avionics modification services, and global technical support.

Download One Pager

What’s Included

Avionics engineering and certification capabilities

STC development and integration support

Manufacturing and build-to-print capabilities

Remote avionics modification services and AOG support

Program management and global deployment capabilities

Advanced air mobility and emerging technology support.

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#### Home
Since 1997

Elevating Aviation Performance

What We Do

A Trusted Global Avionics Partner

L2 Aviation delivers comprehensive avionics engineering, integration, certification, and support services designed to streamline aircraft upgrades and keep fleets operating safely, efficiently, and in full regulatory compliance.

Engineering & Certification

Manufacturing Solutions

Technical Services

Avionics Products

Our Process

Expertise When It Matters Most

From engineering and certification to on-site support and aircraft modernization, L2 Aviation provides end-to-end avionics solutions trusted by operators around the world.

LEARN MORE

Who We Serve

Supporting Aviation Across Every Sector

We partner with commercial operators, business aviation, cargo carriers, military and government agencies, and aerospace innovators to provide tailored avionics solutions for diverse missions and operational environments.

Airlines, Operators & Lessors

Aerospace & OEMs

Military & Government

Advanced Air Mobility

Our Facilities

Multiple Facilities. One Team.

Engineering & Operations Center (CVG)

Our Engineering & Operations Center (CVG) is where innovation meets execution. Located at CVG Airport, this state-of-the-art facility brings engineering, certification, manufacturing, and aircraft modification capabilities together in a single integrated environment.

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Structures and Composites (IND)

L2 Aviation’s Indianapolis facility provides manufacturing, fabrication, and repair capabilities supporting sheet metal and composite solutions across aviation and aerospace.

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MULTIPLE LOCATIONS, ALL IN-HOUSE

Engineering & Operations Center

Our Engineering & Operations Center (CVG) is where innovation meets execution. Located at CVG Airport, this state-of-the-art facility brings engineering, certification, manufacturing, and aircraft modification capabilities together in a single integrated environment.

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Manufacturing & Fabrication

Structures and Composites (IND)

L2 Aviation’s Indianapolis facility provides manufacturing, fabrication, and repair capabilities supporting sheet metal and composite solutions across aviation and aerospace.

LEARN MORE

#### Manufacturing Solutions
Solutions

Manufacturing Solutions

L2 Aviation provides production solutions

STC Kits, Manufacturing and Build to Print Solutions for Avionics Programs.

Supporting avionics integration programs, including STC kits, component manufacturing, and build to print fabrication aligned with aircraft configuration and certification requirements.

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Built for Consistency and Performance

Production solutions are developed to align with engineering, certification, and installation requirements, supporting consistent execution from initial design through final integration. By maintaining control over manufacturing processes and quality standards, L2 Aviation supports reliable installation outcomes and long term system performance.

STC Kits and Materials

L2 Aviation supports the design, development, and integration of Supplemental Type Certificate (STC) kits for avionics programs, including eEnabled systems, cockpit flat panel upgrades, SATCOM, and NextGen ATN technologies.

STC and PMA kits are designed and fabricated to match specific aircraft configurations, ensuring compatibility with installation and operational requirements. Materials and components are manufactured to industry standards to support consistent system performance.

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Build to Print and In-House Manufacturing

L2 Aviation maintains in-house manufacturing capability for STC kits and related components.

This includes fabrication of replacement wire segments, wire bundles, higher level wiring assemblies, and associated brackets required to support in-service aircraft and resolve identified discrepancies.

FAA Certified Manufacturing and PMA Support

Manufacturing activities are supported by L2 Aviation’s FAA Part 145 Repair Station L2ZR265X and Parts Manufacturing Approval PMA.

Parts are produced under established quality systems with support from engineering and RAMS teams. When required, components may also be fabricated and certified through engineering orders with applicable FAA Form 8110 or equivalent approvals for non-standard repairs.

#### Military & Government
Markets

Military & Government

Avionics Support Aligned With Mission Requirements

Military and government aviation programs require reliability, compliance, and disciplined execution. L2 Aviation supports these operations with avionics engineering and certification services aligned with mission objectives and program requirements.

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Supporting Mission Requirements

Military and government aviation operations place significant demands on avionics systems. Reliability, security, and mission readiness are critical, and systems must perform consistently across a range of operating environments.

L2 Aviation supports these requirements with engineering-led avionics solutions aligned with operational and program objectives.

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Certification and Compliance

Military and government programs require structured certification strategies and detailed technical documentation.

L2 Aviation supports certification efforts by aligning engineering solutions with applicable standards, helping maintain compliance, traceability, and program consistency.

Long-Term Program Support

Many military and government programs extend over long operational lifecycles.

L2 Aviation provides ongoing engineering support, configuration control, and technical assistance to help maintain system integrity and mission readiness over time.

#### Our Leadership
Who We ARE

Our Leadership

Engineers Who Understand the Entire Lifecycle

L2 Aviation’s engineers understand the full lifecycle of avionics systems.

From design and certification through installation, maintenance, and ongoing fleet support, our teams develop solutions with long-term viability in mind.

The result is engineering that supports not only initial approval, but sustained performance across the aircraft’s operational life.

This lifecycle perspective allows us to:

Anticipate downstream operational impacts

Reduce unnecessary redesign and rework

Develop solutions that remain viable

Communicate effectively with regulators and MRO partners

Collaboration as a Core Strength

Successful avionics system integration requires alignment across multiple stakeholders. L2 Aviation emphasizes collaboration internally across engineering, certification, and program management teams, and externally with operators, OEMs, and maintenance organizations.This collaborative structure improves communication, accelerates issue resolution, and supports efficient progress even during complex or time-sensitive programs.

A Culture of Accountability and Precision

Aviation demands precision. Our culture reflects that expectation.

Team members are expected to deliver accurate technical work, communicate clearly, and take ownership of outcomes. This culture of accountability supports consistent quality and reinforces the trust customers place in L2 Aviation as a global avionics engineering firm.

#### Partnerships, Dealerships, Memberships
Resources

Partnerships, Dealerships, Memberships

Modstore

ModStore provides a centralized platform connecting buyers and sellers of aircraft modifications. It includes a growing database of certified modifications for commercial and business aircraft and helicopters, along with products currently under development.

CCX Technologies

CCX Technologies designs and manufactures advanced networking and computing solutions for real-time operational networks used in aerospace and defense systems. Their work supports secure connectivity, system integration, and maintainability across critical platforms.

Thales

CCX Technologies designs and manufactures advanced networking and computing solutions for real-time operational networks used in aerospace and defense systems. Their work supports secure connectivity, system integration, and maintainability across critical platforms.

FEAM

FEAM AERO provides aircraft line maintenance and A-check services for domestic and international air carriers operating transport category aircraft.

Collins Aerospace Dealer

Collins Aerospace proudly serves the global community as a trusted source for innovative and reliable products. Their commitment to delivering value for L2 and their customers around the globe has enabled us to understand and appreciate their unique needs.

Viasat

Viasat is a global communications company delivering advanced satellite connectivity solutions for commercial aviation, business aviation, government, and defense. Their resilient networks enable high-speed, secure communications that keep aircraft, operators, and passengers connected anywhere in the world.

National Air Transportation Association (NATA)

For more than eight decades, NATA has contributed significantly to the prosperity of aviation service companies and has been a catalyst for improvement within the aviation industry. Founded in 1940, NATA is the national association of aviation business service providers. Our mission is empowering our members to be safe and successful aviation businesses. NATA is the leading national trade association representing the business interests of general aviation service companies on legislative and regulatory matters at the federal level, while also providing education, services, and benefits to our members to help ensure their long-term economic success.

Regional Airline Association (RAA)

RAA provides a unified voice of advocacy for North American regional airlines aimed at promoting a safe, reliable and strong regional airline industry and serves as an important support network connecting regional airlines and industry business partners, enabling them to share best practices.

National Business Aviation Association (NBAA)

Founded in 1947, the National Business Aviation Association (NBAA) is the leading organization for companies that rely on General/Business Aviation to help make their companies more efficient, productive, and successful. Based in Washington, DC, the NBAA was formed to foster an environment that allows business aviation to thrive in the United States and around the world. The NBAA represents more than 10,000 companies and provides more than 100 products and services to the business aviation community.

North Texas Business Aviation Association (NTBAA)

Since 2008, the North Texas Business Aviation Association (NTBAA) has been bringing together the growing North Texas Business Aviation Community to network, educate, mentor, share best practices, and represent the interests of the business aviation industry.

Aircraft Electronics Association (AEA)

Founded in 1957, the Aircraft Electronics Association represents nearly 1,300 member companies in 43 countries around the globe. The purpose of the AEA is to be the worldwide, self-sustaining organization committed to providing effective leadership to the Electronic Service/Product providers of the aviation industry by facilitating communications between members, establishing acceptable quality processes and procedures, providing training to its’ members and by representing AEA members during the applicable legislative and regulatory process.

ARINC Industry Activities

Primarily comprised of the Airlines Electronic Engineering Committee (AEEC), the Avionics Maintenance Conference (AMC) and Flight Simulator Engineering & Maintenance Conference(s), ARINC is setting the standards for the Avionics/Electronics segments of the Aviation Industry. Organized by ARINC, the noted conferences and committees cooperatively establish consensus-based, aviation technical standards that could not be developed independently.

SES

SES is a global space solutions company delivering resilient, multi-orbit satellite connectivity for commercial aviation, business aviation, government, and defense. Their integrated networks enable secure, high-performance communications that keep aircraft and operations connected worldwide.

System of Systems Consortium (SOSSEC)

SOSSEC, Inc. works with DoD customers to seek solutions from consortium members, mentor members that are new to government acquisition/contracting, and compete for new OTA projects, to increase opportunities for members to apply their technical expertise to crucial government problems.

Wiring Harness Manufacturer’s Association (WHMA)

The Wiring Harness Manufacturer’s Association® (WHMA) was established in 1993 to serve and dedicate their resources to the global cable and wire harness industry. WHMA is the ONLY trade association exclusively representing the cable and wire harness manufacturing industry including manufacturers, their suppliers and customers.

WxFUSION

WxFUSION develops advanced aviation weather intelligence solutions that provide real-time meteorological hazard information for safer and more efficient flight operations.Their innovative technologies help operators make informed decisions through accurate weather analysis and forecasting.

 

 

Avionics Warranty Programs

L2 Aviation offers extended avionics warranty programs, including Collins Avionics Service Program CASP and Honeywell Avionics Protection Plan HAPP for operators with Collins Aerospace or Honeywell flight decks.These programs support cost predictability and long-term planning for avionics maintenance and ownership. For pricing and program details, contact L2 Aviation at l2sales@www.l2aviation.com.

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#### Remote Avionics Modification Services
Solutions

Remote avionics modification services (RAMS)

Remote Avionics Support

Responsive AOG and Remote Avionics Support for In Service Aircraft

L2 Aviation provides avionics support through a combination of responsive AOG services and remote technical capability, allowing operators to maintain operational continuity without unnecessary disruption.

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SUPPORTING GLOBAL OPERATIONS

Remote capability allows L2 Aviation to support operators across multiple regions efficiently, providing consistent expertise regardless of location. This approach enables operators to maintain continuity across distributed fleets and operational environments.

Support When Time Matters Most

Aircraft on ground events and peak operational periods place immediate pressure on engineering and maintenance teams.

L2 Aviation provides AOG and peak support services designed to minimize downtime and restore operational readiness. Teams respond with practical, solution-focused support aligned with operational requirements.

Request a Quote

Remote Capability That Reduces Disruption

Not all avionics work requires physical presence. L2 Aviation’s remote avionics services enable approved engineering and modification support while aircraft remain in operation.

This approach reduces downtime, travel requirements, and scheduling disruption, allowing work to be completed within existing operational environments.

Flexible On-Site and Remote Support

L2 Aviation offers both on site and remote support options, allowing operators to access technical expertise in the most efficient way possible.

This flexibility supports faster issue resolution and reduces logistical complexity across aircraft programs and locations.

Maintaining Technical Rigor Across All Environments

Remote and on site services are delivered with the same technical discipline and compliance standards.

L2 Aviation ensures that documentation, approvals, and execution meet all regulatory and operational requirements, regardless of where the work is performed.

Extending Internal Capabilities

Peak demand periods can strain internal resources.

L2 Aviation supplements in house teams with avionics engineering support that integrates into existing workflows, helping maintain performance standards without long term staffing increases.

#### Request a Quote
L2 Aviation

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LET’S TALK ABOUT YOUR PROGRAM

Connect with the L2 Aviation team to discuss your aircraft integration, certification, manufacturing, or technical support requirements. From concept through installation and operational support, we provide responsive solutions backed by decades of aviation engineering and aftermarket experience.

Complete the form and an L2 Aviation representative will follow up. If you need pricing and lead time within seven business days, your request is automatically handled as an Expedite RFQ.

                
        
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#### Resources
L2 Aviation

Resources

Supplemental Type Certificates

Access L2 Aviation’s approved Supplemental Type Certificates supporting certified aircraft modifications across multiple platforms. Review available STCs and reference approved avionics upgrades aligned with regulatory requirements.

View Supplemental Type Certificates

Partnerships, Dealerships & Memberships

L2 Aviation maintains relationships with technology providers, manufacturers, and industry organizations that support avionics integration, component sourcing, and program execution. Explore partnerships, dealership affiliations, and industry memberships that support customer programs.

View Partnerships & Memberships

General Information

Download the L2 Aviation one-pager for a consolidated overview of services, capabilities, and program support across aviation sectors. This resource provides a high-level summary of engineering, certification, manufacturing, and technical services.

Download General Information

#### Structural Fabrication & Repair
Solutions

Structural Fabrication & Repair

Expanded Aerospace Manufacturing Capabilities Supporting Aircraft Modification Programs

L2 Aviation has expanded its manufacturing and integration capabilities through its Indiana operations, strengthening support for aircraft modification, avionics integration, kitting operations, and fleet modernization programs.

By expanding in-house fabrication and manufacturing resources, L2 Aviation provides greater production coordination, quality oversight, and operational efficiency across complex aircraft programs.

Request a Quote

Supporting Long-Term Aircraft Programs

Modern aircraft programs require coordination across design, fabrication, certification, and installation. L2 Aviation supports these requirements through integrated manufacturing and fabrication capabilities aligned with operational and program-specific requirements.

Integrated Manufacturing for Modern Aircraft Programs

Integrated Manufacturing for Modern Aircraft Programs

Aerospace-grade sheet metal fabrication

Precision machining

Multi-axis CNC manufacturing

Structural and composite repair

Tooling and assembly support

Installation kit production

Rapid-response manufacturing support for AOG operations .

These capabilities support aircraft programs from initial engineering through final installation while improving manufacturing coordination and configuration consistency

Supporting Installation, Kitting, and Modification Programs

The Indiana facility supports both internal L2 Aviation programs and external manufacturing customers with responsive aerospace fabrication and modification support.

Manufacturing and fabrication services are aligned with avionics integration, aircraft modification, structural installation, and fleet modernization requirements across multiple aircraft platforms.

Improved Coordination Across Aircraft Programs

Expanded in-house manufacturing capabilities support:

Reduced production lead times

Improved configuration consistency

Enhanced quality oversight

Strengthened supply chain coordination

Accelerated aircraft modification schedules

More complete turnkey support solutions

This integrated approach improves coordination across engineering, manufacturing, certification, and installation activities while supporting scalable aircraft modification programs.

#### Structures and Composites
Solutions

Structures & Composites

Indianapolis Campus

The Indianapolis Campus serves as a center of excellence for aerospace manufacturing, fabrication, structural repair, and rapid-response production support, delivering precision- built solutions for commercial, military, and special mission aircraft programs.

Manufacturing Built for Aerospace Performance

Our Indianapolis facility combines advanced fabrication, precision machining, finishing, and repair capabilities to deliver high-quality aerospace components, assemblies, and modification solutions with speed, accuracy, and reliability.

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URL: https://www.l2aviation.com/style-guide/

#### Supplemental Type Certificates
Resources

Supplemental Type Certificates

What is a Supplemental Type Certificate?

A Supplemental Type Certificate is an approval issued by the Federal Aviation Administration FAA that validates modifications made to an aircraft.STCs confirm that changes to avionics systems or aircraft components meet required safety, performance, and regulatory standards, allowing operators to implement upgrades while maintaining airworthiness

Current Supplemental Type Certificates (STCs) Issued to L2 Aviation

[ST00750DE – 777 Iridium SATCOM]+

Make: Boeing

Model: 777-200/-300/-300 ER Series

Installation of an Iridium Communication System per L2 Consulting Services, Inc. Master Drawing List 2315-B70-MDL, REV K, dated April 11, 2017 or later FAA approved revision.

More information about ST00750DE can be found on FAA’s website by clicking here.

[ST09865AC – 737 FlightLink]+

Make: Boeing

Model: 737-700, -800, -900, -900ER

Installation of Panasonic FlightLink in accordance with Master Drawing List 3170-B107-MDL, Revision A dated November 2, 2016, or later approved FAA revision. Airplane Flight Manual Supplement, Document 2107-B107-AFM, Revision A, dated November 16, 2016, or later approved FAA revision is required. Instructions for Continued Airworthiness document number 3170-B107-ICA Revision A dated October 31, 2016 or later accepted FAA revision is required.

More information about ST09865AC can be found on FAA’s website by clicking here.

[ST10466SC – 767 RAAS]+

Make: The Boeing Company

Model: 767 -200, -300, -300F, -400ER

Installation of upgraded Honeywell Enhanced Ground Proximity Warning System to include Runway Awareness and Advisory System (RAAS) software in accordance with Master Drawing List 3446-B10-MDL, Revision F, dated May 26, 2005, or later FAA approved revision. Airplane Flight Manual Supplement 3446-B10-AFM, Revision IR, dated October 14, 2005, or later FAA approved revision is required.

More information about ST10466SC can be found on FAA’s website by clicking here.

[ST10609SC – 757 RAAS]+

Make: The Boeing Company

Model: 757-200 Series; 757-200CB Series; 757-200PF Series; 757-300 Series

Installation of upgraded Honeywell Enhanced Ground Proximity Warning System to include Runway Awareness and Advisory System (RAAS) software in accordance with Master Drawing List 3446-B19-MDL, Revision B, dated December 28, 2006, or later FAA approved revision. Airplane Flight Manual Supplement 3446-B19-AFM, Revision IR, dated January 17, 2007, or later FAA approved revision is required.

More information about ST10609SC can be found on FAA’s website by clicking here.

[ST10928SC – 737 Iridium SATCOM]+

Make: The Boeing Company

Model: 737-700 Series; 737-800 Series; 737-900 Series; 737-900ER Series

Installation of Iridium Communications System in accordance with L2 Consulting Services, Inc. Master Drawing List 2322-B43-MDL, Rev. AD, dated January 26, 2013, or later FAA approved revision

More information about ST10928SC can be found on FAA’s website by clicking here.

[ST10938SC – 757 Iridium SATCOM]+

Make: The Boeing Company

Model: 757-200 Series; 757-200CB Series; 757-200PF Series; 757-300 Series

Installation of an Iridium Communication System (ICS) in accordance with Master Drawing List 2325-B47-MDL, Revision U, dated December 5, 2018, or later FAA approved revision. Airplane Flight Manual Supplement 2325-B47-AFM, Revision D, dated December 18, 2018, is required.

More information about ST10938SC can be found on FAA’s website by clicking here.

[ST11037SC – 777 SAT-2100B]+

Make: The Boeing Company

Model: 777-200 Series; 777-200LR Series; 777-300 Series; 777-300ER Series

Satellite communication system upgrade in accordance with master drawing list document 2315-B61-MDL, revision A, dated July 28, 2010, or later FAA approved revision. Airplane flight manual supplement B2315-B61-AFM, Revision IR, dated December 14, 2010, or later approved FAA revision, is required.

More information about ST11037SC can be found on FAA’s website by clicking here.

[ST11104SC – 747 Iridium SATCOM]+

Make: The Boeing Company

Model: 747-400 Series, 747-400F Series

Installation of an Iridium Communications System in accordance with L2 Consulting Services, Inc. Master Drawing List 2325-B66-MDL, Rev. B, dated October 1, 2012, or later FAA approved revision.

More information about ST11104SC can be found on FAA’s website by clicking here.

[ST11124SC – 767 ACARS]+

Make: The Boeing Company

Model: 767-200 Series, 767-300 Series, 767-300F Series

Installation of an ARINC 758 ACARS system in accordance with L2 Consulting Services, Inc., Document Index ST11124SC-DI, Rev. C, dated September 11, 2020, or later FAA approved revision. The Document Index contains information for the Master Data List, Instructions for Continued Airworthiness and the Airplane Flight Manual Supplement.

More information about ST11124SC can be found on FAA’s website by clicking here.

[ST11187SC – 767 Aviator Inmarsat SATCOM]+

Make: The Boeing Company

Model: 767-200 Series, 767-300 Series, 767-300F Series

Installation of an Aviator Satellite Communication System in accordance with L2 Consulting Services, Inc., Master Data List 2325-B93-MDL, Revision P, dated December 6, 2021, or later FAA approved revision. Airplane Flight Manual Supplement 2325-B93-AFM, Revision D dated December 22, 2021, is required.

More information about ST11187SC can be found on FAA’s website by clicking here.

[ST11152SC – 767 Iridium SATCOM]+

Make: The Boeing Company

Model: 767-200, 767-300, 767-300F Series

Installation of the Iridium Communications System in accordance with Master Drawing List 2325-B78-MDL, Revision A, dated July 19, 2013, or later approved FAA revision. Airplane Flight Manual Supplement 2325-B78-AFM, Revision IR, dated November 13, 2013, or later approved FAA revision, is required.

More information about ST11152SC can be found on FAA’s website by clicking here.

[ST09889AC – 767 Large Display System]+

Make: The Boeing Company

Model 767-300F Series

Installation of Rockwell Collins LDS-2100 large display system (LDS) in accordance with Master Drawing List 3422-B111-MDL, Revision D, dated June 1, 2018, or later FAA approved revision. Airplane Flight Manual Supplement 3422-B111-AFM, Revision A, dated May 17, 2018, is required.

More information about ST09889AC can be found on FAA’s website by clicking here.

[ST09893AC – A330 Iridium]+

Make: Airbus SAS

Model: A330-200, -300 Series

Installation of an Iridium Communication System (ICS) in accordance with Master Drawing List 2315-A20-MDL, Revision D, dated May 4, 2018, or later FAA approved revision. Airplane Flight Manual Supplement 2315-A20-AFM, Revision A, dated May 17, 2018 is required.

More information about ST09893AC can be found on FAA’s website by clicking here.

[ST09900AC – 170 Electronic Flight Bag]+

Make: Embracer S.A.

Model: ERJ 170-100 STD/LR/SU/SE, ERJ 170-200 STD/LR/SU/LL

Installation of an Electronic Flight Bag (EFB) power system in accordance with Master Drawing List 4620-E11-MDL, Revision B, dated December 11, 2018, or later FAA approved revision. Airplane Flight Manual Supplement 4620-E11-AFM, Revision IR, dated December 12, 2018, or later FAA approved revision is required.

More information about ST09900AC can be found on FAA’s website by clicking here.

[ST09915AC – 767 JetWave Ka-Band Connectivity]+

Make: The Boeing Company

Model: 767-200

Installation of a KA SATCOM system in accordance with Master Drawing List 2325-B125 MDL, Revision D, dated October 28, 2020, or later FAA approved revision. Airplane Flight Manual Supplement 2325-B125-AFM, Revision IR, dated July 22, 2020, is required.

More information about ST09915AC can be found on FAA’s website by clicking here.

[ST09927SC – 737 Audio Management System]+

Make: The Boeing Company

Model: 737-700/-800/-900/-900ER Series, 737-8, 737-9

Installation of a Gables Audio Management System in accordance with L2 Consulting Services, Inc., Master Data List 2351-B130-MDL, Revision B, dated March 10, 2022, or later FAA approved revision. Airplane Flight Manual Supplement 2351-B130-AFMS-01, Revision IR dated March 30, 2022, or 2351-B130-AFMS-02, Revision IR dated March 30, 2022, or later FAA approved revision is required.

More information about ST09927SC can be found on FAA’s website by clicking here.

[ST09931AC – Bombardier Global, Aspire 400]+

Make: Bombardier, Inc.

Model: BD-700-1A10, BD-700-1A11

Installation of an Aspire 400 Satcom System in accordance with L2 Consulting Services, Inc., Master Data List 2315-BM10-MDL, Revision B, dated April 4, 2022, or later FAA approved revision. Airplane Flight Manual Supplement 2310-BM10-AFMS, Revision IR, dated September 8, 2022, or later FAA approved revision is required.

More information about ST09931AC can be found on FAA’s website by clicking here.

[ST09933AC – 737 Expanded Parameters]+

Make: The Boeing Company

Model: 737-700, 737-800

Expansion of parameters in the digital flight data acquisition unit (DFDAU) in accordance with L2 Consulting Services, Inc., Master Data List 3135-B131-MDL, Revision H, dated December 22, 2022, or later FAA approved revision.

More information about ST09933AC can be found on FAA’s website by clicking here.

Regulatory Reference

L2 Aviation is a leading provider of aviation aftermarket services. We support the development and certification of Supplemental Type Certificates, including engineering, documentation, and coordination through the approval process.View All STCs in the U.S. Department of Transportation Dynamic Regulatory System.

View All STCs

Current Supplemental Type Certificates (STCs) Issued to L2 Aviation

#### Thank You
Contact

Thank You

#### What We Do
L2 Aviation

Solutions

Engineering & Certification

Avionics engineering and certification services supporting aircraft modification and integration programs. L2 Aviation provides system-level engineering, STC development, and certification support aligned with regulatory requirements and operational constraints.

Learn More About Engineering & Certification

Manufacturing Solutions

STC kits, manufacturing, and build to print production supporting avionics installations and in-service aircraft. L2 Aviation provides in-house manufacturing and PMA-supported production aligned with engineering and certification requirements.

Learn More About Manufacturing Solutions

Remote avionics modification services (RAMS)

Remote avionics modification services and AOG support for in-service aircraft. L2 Aviation supports aircraft operations with flexible on-site and remote technical support designed to reduce downtime and maintain operational continuity.

Learn More About RAMS

Avionics Products

Equipment sales and component support including new, exchange, and overhauled avionics parts. L2 Aviation sources components from OEM manufacturers and supports repair and replacement requirements for aircraft operations.

Learn More About Avionics Products

Structural Fabrication & Repair

L2 Aviation’s Indiana operations specializes on our in-house ability to fabricate, machine, repair, assemble, and support aerospace components with tighter coordination from engineering through installation.

Learn More About Structural Fabrication & Repair

#### Who We Are
L2 Aviation

Who We Are

Our Mission

Our mission is to deliver dependable, certifiable avionics solutions that keep aircraft flying safely and efficiently.

Each engagement begins with a clear understanding of operational goals, regulatory requirements, and technical constraints. We develop tailored avionics strategies that align engineering, certification, and installation into a cohesive program that reduces risk and minimizes downtime.

LEARN ABOUT OUR HISTORY

Who We Are

L2 Aviation supports aircraft operators and OEMs with avionics engineering services that address real-world operational demands. Our team specializes in avionics system integration, aircraft electrical engineering, and certification support that ensures safety, compliance, and long-term reliability.

We operate within the realities of evolving regulations, advancing technology, and tight operational schedules. Every solution is designed to function within the broader operational, regulatory, and maintenance environment of the aircraft it supports.

OUR TEAM

#### Who We Serve
L2 Aviation

Markets

L2 Aviation supports a range of aviation and aerospace customers, providing engineering, manufacturing, and technical services aligned with operational, regulatory, and program-specific requirements.

Airlines, Operators & Lessors

Avionics support for commercial airlines, cargo operators, and business aviation fleets requires reliability, compliance, and structured execution.

L2 Aviation supports fleet operations with engineering, certification, and modification services aligned with maintenance programs, configuration control, and operational schedules.

Learn More About Airlines, Operators & Lessors

Aerospace & OEMs

Aerospace and OEM programs require precision manufacturing, system integration, and alignment with certification requirements.

L2 Aviation supports these programs with avionics manufacturing, component fabrication, and engineering support aligned with product development and integration needs.

Learn More About Aerospace & OEMs

Military & Government

Military and government aviation programs require consistent performance, compliance, and long-term support across evolving operational requirements.

L2 Aviation provides avionics engineering and certification support aligned with mission requirements and structured program execution.

Learn More About Military & Government

Advanced Air Mobility

Emerging aircraft platforms, including unmanned and advanced air mobility systems, require flexible engineering, manufacturing, and certification support.

L2 Aviation supports these programs with avionics modifications, system integration, and fabrication services aligned with evolving technologies and regulatory environments.

Learn More About Advanced Air Mobility

### Team

#### Jeff Rex
URL: https://www.l2aviation.com/team/jeff-rex/

#### Michael Sullivan
URL: https://www.l2aviation.com/team/michael-sullivan/

#### Tony Bailey
URL: https://www.l2aviation.com/team/tony-bailey/