Horizon Avionics, Inc.
2445 E. General Aviation Drive, Suite C, Alcoa, TN 37701
Tel: 865-980-7858  Fax: 865-980-7701

Your One-Stop Shop For Quality Maintenance, Avionics & Interiors

Welcome To Horizon Avionics & Maintenance

We are based on Knoxville's, McGhee-Tyson Airport (TYS) at the foot of the Great Smoky Mountains in East Tennessee.

We provide aircraft maintenance and avionics services for GA piston singles to light jets, and everything in-between, including turboprops, experimentals, light-sport, and helicopters.

With avionics dealerships for ARC, Aspen Avionics, Avidyne, Bendix/King, Century Flight Systems, Garmin, Honeywell, L3, PS- Engineering, S-Tec, and many more, whether it be service, repairs, or installations, new equipment, or used, our FAA Approved Avionics Repair Station has the tools and experience to troubleshoot your problem and provide you with a quality repair, with minimum downtime. 

If you are looking for an equipment upgrade, WAAS GPS, new autopilot, or glass panel display, our installation team can assist with the the simplest intercom installation, to a complete panel retrofit. You can check out some of our installations in our Gallery.

Our maintenance team can perform 100 hr/annual inspections on all piston singles, twins, turboprops, and light jets, including King Air/Cheyenne/Conquest Phase Inspections. 

We are also a Cirrus Authorized Service Center, and can perform all in warranty, or out of warranty, service and repairs on Cirrus SR20/SR22/SR22T aircraft. Call us for flat rate quotes for your inspection today! 



The Garmin 796 with XM weather is the best portable GPS - ever! Now with 3D Vision, terrain view/alert, complete digital charts, plus taxiway diagrams, and a high resolution 7" display, this is the the best back-up money can buy. Call us now on 865-980-7858 to place your order!


Factory rebates available on Garmin panel mount GTN650/750, G500 through Jan. 2012. Add GTS Traffic for additional savings. Click on the AVIONICS tab, or call our installation department for details.

With over 10,000 sq. feet of climate controlled hangar space and over 3,500 sq. feet of office space, Horizon Avionics & Maintenance has the facilities to complete any job, big or small. 

Our full service avionics shop provides troubleshooting and bench repair on Navs, Comms, Radar, Autopilots, and more. We can also perform IFR tests and inspections, and RVSM inspections, using our state-of-the-art RVSM certifield DPS-450 RVSM compliant digital pitot-static test set.

Our installation center can help you with installations and upgrades. Click on the gallery tab to view some of our recent installations.

We also sell parts! For used equipment sales or for that latest Garmin handheld, contact us for the best price, or click on the avionics tab to see our current advertised specials. 

Web Hosting Companies