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Our general aviation services include pre-planning, equipment specification, customer interface, wiring harness design and fabrication, panel layout, panel fabrication, stress analysis, painting, and installation. We provide comprehensive support for the general aviation community, the Department of Forestry fire suppression industry, local law enforcement, and the Army National Guard at our Stead Facility. Our services include Jet-A and Avgas fuel provision, aircraft tiedown, full-service maintenance, avionics installation and repair, aircraft modification, drone instrumentation installation and testing, sheet metal work, welding, and repair services for hydraulic, pneumatic, and electronics systems. Additionally, we have a parts department to meet all your aviation needs.

ACL offers complete avionics upgrades daily. Contact us to consult with our team.

Cessna Citation Installation

Shown on the right is a typical installation of dual Cobham/Chelton EFIS screens and Wulfsberg communications and navigation equipment in a Cessna Citation. ACL was responsible from the early planning stages, through design, harness fabrication, panel mods, painting, and FAA compliance paperwork, including RVSM certification.
Chelton Installation: Panel Planning, Equipment Spec, Layout, Harness Fabrication, Cessna Citation

Process of an installation of dual Cobham/Chelton EFIS screens and Wulfsberg communications and navigation equipment in a Cessna Citation. The photo shows before the installation process has begun.
Process of an installation of dual Cobham/Chelton EFIS screens and Wulfsberg communications and navigation equipment in a Cessna Citation. The photo shows during the installation process.
Process of an installation of dual Cobham/Chelton EFIS screens and Wulfsberg communications and navigation equipment in a Cessna Citation. The photo shows the completed installation.

Pictured above, left to right:
Before | During | After

Pictured above, top to bottom:
Before | During | After

Avionics Upgrade

A recent installation in a M-7 Metroliner of Garmin GPS500, Garmin 696, Airshow Passenger Display, a DVD/Audio Entertainment System, and the L-3 TRC497 Skywatch System.

Photo shows a Fairchild SA-226 Avionics Upgrade, Garmin, Entertainment System.

Pictured above:
Fairchild SA-226 Avionics Upgrade, Garmin, Entertainment System

Photo shows an ACL Oshkosh award-winning L-39C aircraft before restoration. This aircraft is on a flat-bed truck, as it is being transported.
Photo shows an ACL Oshkosh award-winning L-39C aircraft after restoration. It is photographed mid-flight and is painted in the early Blue Angel A-4 color scheme.
This photo shows the during process of restoration. It depicts a Cobham/Chelton panel.
This photo shows the during process of restoration. Cobham/S-Tec Autopilot Complete Main & Sub Panels, and an example of the Chelton Harness Layout and Fabrication.
The photo shows the L-39 final product, including backlit customer panel overlays, and all backlit instrumentation.

Oshkosh Restoration

Another ACL Oshkosh award-winning L-39C painted up in the early Blue Angel A-4 scheme. This aircraft was purchased overseas by Aviation Classics and then transferred to our facility in Reno, Nevada, where it was sold to a US customer. It was later completely disassembled and restored. The photos to the left show another typical Cobham/Chelton EFIS screen installation. ACL devised a single “flat panel” modification for L-39 aircraft that has become a standard for L-39 modifications. The task included the installation and integration of an S-Tec 55X Autopilot, NAT AMS50 Audio Panels, AICD CD/Satellite Radio, Garmin GNS530 Nav/Com/GPS/ILS System, King KY196 Com, Garmin 327 Transponder, CMS-400 Digital/Audible Checklist System, Shadin ADC-2000 Air Data Computer, Bendix-King KTA810 TCAS, WX500 Stormscope, and Chelton GPS/WAAS 1201 Sensor, and the Dual Cobham/Chelton EFIS System.

Pictured top to bottom left to right:
L-39C | Oshkosh Award Winning Restoration | Cobham/Chelton Panel | Cobham/S-Tec Autopilot Complete Main & Sub Panels, and an example of the Chelton Harness Layout and Fabrication | The L-39 final product, including backlit customer panel overlays, and all backlit instrumentation.

Oshkosh Restoration

Another ACL Oshkosh award-winning L-39C painted up in the early Blue Angel A-4 scheme. This aircraft was purchased overseas by Aviation Classics and then transferred to our facility in Reno, Nevada, where it was sold to a US customer. It was later completely disassembled and restored. The photos to the left show another typical Cobham/Chelton EFIS screen installation. ACL devised a single “flat panel” modification for L-39 aircraft that has become a standard for L-39 modifications. The task included the installation and integration of an S-Tec 55X Autopilot, NAT AMS50 Audio Panels, AICD CD/Satellite Radio, Garmin GNS530 Nav/Com/GPS/ILS System, King KY196 Com, Garmin 327 Transponder, CMS-400 Digital/Audible Checklist System, Shadin ADC-2000 Air Data Computer, Bendix-King KTA810 TCAS, WX500 Stormscope, and Chelton GPS/WAAS 1201 Sensor, and the Dual Cobham/Chelton EFIS System.

Photo shows an ACL Oshkosh award-winning L-39C aircraft before restoration. This aircraft is on a flat-bed truck, as it is being transported.
Photo shows an ACL Oshkosh award-winning L-39C aircraft after restoration. It is photographed mid-flight and is painted in the early Blue Angel A-4 color scheme.
This photo shows the during process of restoration. It depicts a Cobham/Chelton panel.
This photo shows the during process of restoration. Cobham/S-Tec Autopilot Complete Main & Sub Panels, and an example of the Chelton Harness Layout and Fabrication.
The photo shows the L-39 final product, including backlit customer panel overlays, and all backlit instrumentation.

Pictured top to bottom:
L-39C | Oshkosh Award Winning Restoration | Cobham/Chelton Panel | Cobham/S-Tec Autopilot Complete Main & Sub Panels, and an example of the Chelton Harness Layout and Fabrication | The L-39 final product, including backlit customer panel overlays, and all backlit instrumentation.

Chelton/Cobham
Installation

A Chelton/Cobham installation in a customer’s Aero Commander 685 aircraft. ACL worked with the customer to plan the panel modification while solving the issues related to interfacing the new digital equipment on the pilot's panel with the retained analog equipment on the co-pilot side. Photos show a before and after look at the new Chelton-equipped Commander panel.

The photo shows a complete Main & Sub Panels, Cobham/Chelton System, Cobham/S-Tec System 65 Autopilot: Aero Commander 685
The photo shows a complete Main & Sub Panels, Cobham/Chelton System, Cobham/S-Tec System 65 Autopilot: Aero Commander 685
The photo shows an Aero Commander 685: Final Avionics Installation and Ready for Flight Test.

Pictured above, left to right:
Complete Main & Sub Panels, Cobham/Chelton System, Cobham/S-Tec System 65 Autopilot: Aero Commander 685 | Aero Commander 685: Final Installation and Ready for Flight Test

Pictured above, top to bottom:
Complete Main & Sub Panels, Cobham/Chelton System, Cobham/S-Tec System 65 Autopilot: Aero Commander 685 | Aero Commander 685: Final Installation and Ready for Flight Test

Structural Modification of Williams Internationals' Flying Testbed Sabrelinder

ACL has been the primary contractor for structural modifications, avionics installations, workstations, wiring harnesses, and power bus modifications of airframes for both DoD and Civilian customers.

ACL was responsible for the planning, design and modification of Williams Internationals Flying Testbed Sabreliner aircraft, providing an aerial platform for testing and data collection relative to Williams’ Jet engines.

The photo shows a Stainless Steel Pylon Fabrication.
Photo shows the Aviation Classic's team working on an Airframe Pylon Install and Paint for Williams Internationals’ Engine Testbed.
Photo shows Onboard Equipment Installations, Power Requirements, GILL Liner, Workstations & Equipment Racks, Williams International Project.

Pictured above:
Stainless Steel Pylon Fabrication | Airframe Pylon Install and Paint for Williams Internationals’ Engine Testbed | Onboard Equipment Installations, Power Requirements, GILL Liner, Workstations & Equipment Racks, Williams International Project

Established since 1979, Aviation Classics Ltd. is Northern Nevada’s premier full service FBO, FAA Repair Station and Avionics Shop. We are located on Reno-Stead Airfield just 10 miles northwest of Downtown Reno, NV.

© 2026 Aviation Classics Ltd.  All Rights Reserved.
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