Butler Avionics, Inc. provides avionics design, integration, and custom equipment installation services, as well as avionics retrofits, repairs, and troubleshooting – for all aircraft types. We also build and install replacement parts for many obsolete and legacy components.


Certified Installation Facility

Butler Avionics is your “go-to” facility for avionics installations, repairs, and overhauls. Butler Avionics is an authorized installation center for Garmin, Rockwell Collins, L-3, Avidyne, Aspen Avionics, and S-TEC/Genesys. Butler Avionics installations include advanced avionics from state-of-the-art equipment to sophisticated proprietary sensors.

  • FAA Repair Station (CRS# TF2R185L)

  • EASA Repair Station (EASA.145.6557)

  • Custom Installations

  • STC Capabilities

  • Staff DERs

  • Turnkey Design – Integration – Installation

  • Staffed Technicians and Instrument Specialists

Repairs & Restoration

We repair, restore and overhaul avionics, instruments and equipment. Butler Avionics, Inc. is an FAA Approved Repair Station, Air Agency Certificate # TF2R185L and EASA.145.6557. Butler Avionics possesses Parts Manufacturing Authority, allowing for the manufacture of replacement parts for obsolete components.

Examples of common restorations include cosmetic and legibility improvements, stack upgrades, and component replacements.


  • FAA CRS# TF2R185L

  • EASA.145.6557

  • Radio – Class 1, 2, 3

  • Instrument – Class 1, 2, 3

  • Limited Airframe

  • Limited Accessory

  • Parts Manufacturing Authority

STC Approvals

Butler Avionics has FAA STC approvals for the installation of TCAS, AHRS, and GTN navigation systems for Learjets, in addition to other solutions for both Part 23 and Part 25 aircraft. Butler Avionics has capabilities to obtain cost-effective STC solutions to satisfy regulatory and market-driven demand.

Contact Butler Avionics at (913)829-4606 or for more information.


Butler Avionics acquired the legacy Learjet “JET” related autopilot products, and provides support for Learjet airplanes. Butler Avionics is the “go-to” facility for JET autopilot troubleshooting, overhaul and repair.

Butler Avionics has FAA approved STC installations for Learjet model 60 AHRS replacement, Learjet 30 series TCAS II, Learjet 20 and 30 series ADS-B, Learjet 30 series GTN Navigator installations and upgrades for displays.

Manufacturing & certification

Butler Avionics designs, integrates and tests modified aircraft to obtain FAA Supplemental Type Certificate (STC) approvals for avionics installations. We receive requests for STC approvals from end-users and OEMs, both with unique interests in solving aircraft avionics opportunities. Butler Avionics supports STC installations with PMA (Parts Manufacturing Authority). We also build replacement parts for obsolete components. Butler Avionics has both custom engineering and build-to-print capabilities.

J.E.T. Products

Butler Avionics is the “go-to” facility for Learjet autopilot services including autopilot troubleshooting, overhauls and repairs. Butler National Corporation acquired the rights to the JET autopilot-related products, Nose Wheel Steering Products and Fuel Flow Control Boards consistent with its policy to support of legacy Learjet airplanes.


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