Butler Avionics Inc.
PMA PQ04263CE · 13 approved parts replacing 8 OEM numbers · Learjet
| PMA part | Replaces | Name | Make / model | Status | On PartsAndPlanes | DLA paid (OEM no.) |
|---|---|---|---|---|---|---|
| 02002059-101 | Modification Parts | Replacement Steering Interface Unit (Siu) | Learjet 35 | 35A | 36 | 36A | Current, Jul 2026 | — | — |
| 03401000-003 | 03401000-005 | ModificationParts | Kit for Learjet Model 31/31a Gtx 3000/Gdl 88/Flight Stream 210 Ads-B (Out) | Learjet 31 | 31A | Current, Jul 2026 | — | — |
| 501-1169-01 Mod A | 501-1169-01 Mod A | Rate Gyroscope, Rg-227 | Learjet 24A | 24B | 24B-A | 24C | 24D | 24D-A | 24E | 24F | 24F-A | 25 | 25A | 25B | 25C | 25D | 25F | 28 | 29 | 35 | 35A (C21A) | 36 | 36A | 55 | 55B | Models with STC ST02416SE installed 24 | Current, Jul 2026 | — | — |
| 501-1169-02 Mod A | 501-1169-02 Mod A | Rate Gyroscope, Rg-227 | Learjet 35 | 35A (C21A) | 36 | 36A | 55 | Models with STC ST02416SE installed 31 | Current, Jul 2026 | — | — |
| 501-1211-( ) | 501-1211-( ) | Ca-400 Computer Amplifier Nose Wheel Steering Servo Actuator | Learjet 25 | 28 | 29 | 31 | 35 | 36 | 55 | Current, Jul 2026 | — | — |
| 501-1212-01 | 501-1212-01 | Nose Wheel Steering Servo Actuator | Learjet 25 | 28 | 29 | 31 | 35 | 36 | 55 | Current, Jul 2026 | — | — |
| 501-1256-( ) | 501-1256-( ) | Ac-200 Autopilot Controller | Learjet 30 Series | Current, Jul 2026 | — | — |
| 501-1287-02 Mod A | Modification Parts | Replacement Vertical Accelerometer | Learjet 31 | 35 | 35A (C-21A) | 36 | 36A | 55 | Current, Jul 2026 | — | — |
| 501-1553-( ) | 501-1553-( ) | Ca-530 Computer Amplifier | Learjet 31 | Current, Jul 2026 | — | — |
| 501-1579-( ) | 501-1579-( ) | Yd-85 Yaw Computer Controller | Learjet 55 | Current, Jul 2026 | — | — |
| 90002020-101 | 90002020-107 | Modification Parts | Cabin/Cockpit Handheld Fire Extinguisher | Learjet 24 | 24A/B/B-A/C/D/D-A/E/F/F-A | 25 | 25A/B/C/D/F | 28 | 29 | 31 | 31A | 35 | 35A(C-21A) | 36 | 36A | 45 | 55 | 55B | 55C | 60 | Current, Jul 2026 | — | — |
| 90004003 | 90004005 | 90004006 | Modification Parts | Replacement Clock/Clock With Usb Port | Learjet 24 | 24B/D/E/F | 25 | 28 | 29 | 31 | 31A | 35 | 35A(C-21A) | 36 | 36A | 55 | 55B | 55C | 60 | 60XR | Current, Jul 2026 | — | — |
| BA07109001-101BA07109002-101 | Modification Parts | Mid Continent Md23 Standby Altimeter/ Attitude Indicator | Learjet 24 | 24B/D/E/F | 25 | 25A/B/C/D/F | 31 | 31A | 35 | 35A(C-21A) | 36 | 36A | 55 | 55B | 55C | 60 | Current, Jul 2026 | — | — |
Sell any of these? List it free and this table names you, as does the page of every OEM number it replaces.
Source: the FAA PMA database, refreshed weekly. A PMA part is approved for the specific eligibility on its FAA record; whether it may be installed on a particular aircraft, engine or component is the installer's determination.