Butler Avionics, INC
Named as the FAA publishes it on its approvals.
Holds 1 approved modification, most of them for the Learjet 60. Holds 13 approvals to make replacement parts. FAA spelling: Butler Avionics, Inc.
Approved modifications 1 · newest first
2015-08-12ST01791WI · Installation of a Collins AHC-3000A Series Attitude Heading Computer · 60
Replacement parts approved 13 parts manufacturer approvals, 13 current
A parts manufacturer approval lets a company make a replacement part for someone else's aircraft or engine and sell it as an approved part. This company's approvals are mostly for other and general (7), instruments and avionics (2), landing gear (2).
2026-07-10Nose Wheel Steering Servo Actuator 501-1212-01 · replaces 501-1212-01 · 25, 28, 29
2026-07-10Replacement Steering Interface Unit (SIU) 02002059-101 · replaces Modification Parts · 35, 36, 35A
2026-07-10Rate Gyroscope, RG-227 501-1169-02 Mod A · replaces 501-1169-02 Mod A · Models with STC ST02416SE installed 31, 35, 35A (C21A)
2026-07-10Replacement Vertical Accelerometer 501-1287-02 Mod A · replaces Modification Parts · 31, 35, 35A (C-21A)
2026-07-10Rate Gyroscope, RG-227 501-1169-01 Mod A · replaces 501-1169-01 Mod A · Models with STC ST02416SE installed 24, 24A, 24B
2026-07-10Replacement Clock/Clock with USB Port 90004003, 90004005 · replaces Modification Parts · 24, 24B/D/E/F, 25
2026-07-10Cabin/Cockpit Handheld Fire Extinguisher 90002020-101, 90002020-107 · replaces Modification Parts · 24, 24A/B/B-A/C/D/D-A/E/F/F-A, 25
2026-07-10Kit for Learjet Model 31/31A GTX 3000/GDL 88/Flight Stream 210 ADS-B (OUT) 03401000-005, 03401000-003 · replaces ModificationParts · 31, 31A
2026-07-10AC-200 Autopilot Controller 501-1256-( ) · replaces 501-1256-( ) · 30 Series
2026-07-10CA-400 Computer Amplifier Nose Wheel Steering Servo Actuator 501-1211-( ) · replaces 501-1211-( ) · 25, 28, 29
2026-07-10YD-85 Yaw Computer Controller 501-1579-( ) · replaces 501-1579-( ) · 55
2026-07-10CA-530 Computer Amplifier 501-1553-( ) · replaces 501-1553-( ) · 31
2026-07-10Mid Continent MD23 standby altimeter/ attitude indicator BA07109001-101BA07109002-101 · replaces Modification Parts · 24, 24B/D/E/F, 25
Source: FAA Dynamic Regulatory System (type certificate data sheets, supplemental type certificates, parts manufacturer approvals, technical standard order authorisations). An organisation's name is as the FAA spelled it on each record; related spellings are separate pages.