# STCs that may be installed: Gates Learjet 24

A list on [Gates Learjet 24](https://openairdocs.org/model/gates-learjet-24.md).

In force first, then newest. The registry doesn’t record which STCs an aircraft has.

Page 1 of 2 · 81 STCs

- [STC ST01305WI-D](https://openairdocs.org/stc/ST01305WI-D.md): Modification of a Collins ALT-50A or ALT-55B Radio Altimeter system installation to a Collins ALT-1000 or ALT-4000 Radio Altimeter system installation in accordance with Collins Drawing Index as listed on AML No. ST01305WI-D, Revision -, or later FAA approved revision. · Rockwell Collins Inc
- [STC SA2622NM](https://openairdocs.org/stc/SA2622NM.md): Installation of Precise Flight Pulselite Control Unit in landing/taxi system. (767-200 B17) (DHC-8 101) · Precise Flight Inc.
- [STC ST03885AT](https://openairdocs.org/stc/ST03885AT.md): Installation of an Avionica, Inc. avCM Cellular Module · Aircraft Systems and Manufacturing Inc.
- [STC ST12087CH](https://openairdocs.org/stc/ST12087CH.md): Installation replacement Cabin/Cockpit Handheld Fire Extinguishers · Avcon Industries Inc.
- [STC ST02097SE](https://openairdocs.org/stc/ST02097SE.md): Installation of replacement circuit boards for the FC-110 autopilot · Symetric Industries, DBA Extant Aerospace
- [STC ST02416SE](https://openairdocs.org/stc/ST02416SE.md): Installation of the replacement rate gyro, Butler National Part Number 501-1169-01 MOD A or 501-1169-02 MOD A · Symetric Industries, DBA Extant Aerospace
- [STC ST02417SE](https://openairdocs.org/stc/ST02417SE.md): Installation of the replacement stall warning vertical accelerometer, Butler National Part Number 02904001-101 · Symetric Industries, DBA Extant Aerospace
- [STC ST01308WI](https://openairdocs.org/stc/ST01308WI.md): Installation of L-3 Communications Avionics Systems Inc. (Landmark) Terrain Awareness Warning System (TAWS) model TAWS8100. · Acron Aviation Inc.
- [STC ST02472AT](https://openairdocs.org/stc/ST02472AT.md): Installation of a mini Quick Access Recorder (QAR) model MKI, MKII, or MKIII · Aircraft Systems and Manufacturing Inc.
- [STC ST00738WI](https://openairdocs.org/stc/ST00738WI.md): Increased service life. Data required. · Phoenix Air Group Inc.
- [STC ST01936WI](https://openairdocs.org/stc/ST01936WI.md): Installation of LED lights · AeroLED's Holdings LLC
- [STC ST01138DE](https://openairdocs.org/stc/ST01138DE.md): Installation of MidContinent MD23 standby altimeter and/or attitude indicators · Butler National Corporation
- [STC ST04728NY](https://openairdocs.org/stc/ST04728NY.md): Installation of LAI CoolView Cabin Window · Lee Aerospace Inc.
- [STC ST00814WI](https://openairdocs.org/stc/ST00814WI.md): Landing Gear Life Extension. · Phoenix Air Group Inc.
- [STC ST03424CH](https://openairdocs.org/stc/ST03424CH.md): Certification of Automatic Dependent Surveillance - Broadcast (ADS-B) Out System with Rockwell Collins TDR-94/-94D Transponders · CMD Flight Solutions LLC
- [STC ST04575AT](https://openairdocs.org/stc/ST04575AT.md): Installation of the Rockwell Collins ALT-1000+/ -4000+ with 5G Filtering · Chippewa Aerospace Inc.
- [STC ST02004WI](https://openairdocs.org/stc/ST02004WI.md): Installation of the Garmin GI-275 Instantaneous Vertical Speed Indicators (IVSI) · Peregrine
- [STC ST02230SE](https://openairdocs.org/stc/ST02230SE.md): The installation of dual Garmin GTX-33ES Mode-S transponders and single or dual Garmin GTN 650/750 panel mounted navigation and global positioning system (GPS) units, or dual Garmin GTX-335R and/or GTX-345R Mode-S transponders and single or dual Garmin GTN 650/750/625/725 panel mounted navigation and GPS units · Butler National Corporation
- [STC ST01930LA](https://openairdocs.org/stc/ST01930LA.md): Installation of Sandel Avionics SN4500 Electronic Horizontal Situation Indicator (EHSI) · Sandel Avionics LLC
- [STC ST04177AT](https://openairdocs.org/stc/ST04177AT.md): Installation of a Talon Aerospace LED Replacement General Purpose Lamps · Aaxico Technical Services Inc.
- [STC ST02635LA](https://openairdocs.org/stc/ST02635LA.md): Modification to replace the existing Mode S Transponder system with the ACSS NXT-600 Mode S Transponder with ADS-B Out · Aviation Communication and Surveillance Systems (ACSS) LLC
- [STC ST02681AT-D](https://openairdocs.org/stc/ST02681AT-D.md): Installation of Cockpit / Cabin Blower Assy · Summit Aviation Inc
- [STC SA01452CH](https://openairdocs.org/stc/SA01452CH.md): Installation of an air ambulance conversion kit. · Med-Pac Inc.
- [STC ST04340NY](https://openairdocs.org/stc/ST04340NY.md): Installation of TCAS 7.1 (ACAS II) upgrade of Prior Existing TCAS 7.0 · Scandinavian Avionics Design ApS
- [STC ST00835DE](https://openairdocs.org/stc/ST00835DE.md): Installation of Automatic Dependent Surveillance - Broadcast (ADS-B) Out and In functionality using the Garmin GTX 335R and GTX 345R Transponders plus qualified position sensor · Peregrine
- [STC SA1670SW](https://openairdocs.org/stc/SA1670SW.md): Installation of engine thrust reversers. · The NORDAM Group LLC
- [STC ST10472SC](https://openairdocs.org/stc/ST10472SC.md): Replacement Thrust Reverser Accumulator for the TR3000 Thrust Reverser System. · The NORDAM Group LLC
- [STC SA4999NM](https://openairdocs.org/stc/SA4999NM.md): Installation of lifeport patient loading and support system. · LifePort LLC
- [STC SA01213CH](https://openairdocs.org/stc/SA01213CH.md): Install air ambulance conversion in accordance with Spectrum Aeromed Inc. Drawings as listed on AML SA01213CH, or later FAA approved revision. · Spectrum Aeromed LLC dba Spectrum Aeromed
- [STC SA1639GL](https://openairdocs.org/stc/SA1639GL.md): Install air ambulance conversion. · Spectrum Aeromed LLC dba Spectrum Aeromed
- [STC ST11071SC](https://openairdocs.org/stc/ST11071SC.md): Demonstration of aircraft critical equipment and antenna systems tolerance of radio frequency interference (RFI) from intentional or spurious transmissions from certain Portable Electronic Devices (PEDs) · Liberty Partners Inc
- [STC ST03776NY](https://openairdocs.org/stc/ST03776NY.md): Modification to upgrade existing Rockwell Collins TCAS (Model: TTR-920, TTR-921, and TTR-4000) at VERSION 7.0 to Rockwell Collins TCAS (Model: TTR-921, TTR-4000, and TTR-4100) at VERSION 7.1 (ACAS II) · Scandinavian Avionics Design ApS
- [STC ST02500SE](https://openairdocs.org/stc/ST02500SE.md): The installation of the Garmin GDL-88 with the Flight Stream 210 to allow ADS-B(In) Flight Information Service Broadcast (FIS-B), independent of the ADS-B(Out) solution compliance. · Butler National Corporation
- [STC SA1170GL](https://openairdocs.org/stc/SA1170GL.md): Except Model 55: Install Egan Aviation air ambulance stretcher P/N 125 using installation kit P/N 803, inverter/pump kit No. 808, 809, or 810. For Model 55, install air ambulance stretcher P/N 125 using installation kit P/N 804, medical oxygen system kit P/N 807, inverter/pump kit No. 808, 809, or810. · Paul/ Lanna Egan LLC
- [STC ST02121CH](https://openairdocs.org/stc/ST02121CH.md): Certification for Reduced Vertical Separation Minimum (RVSM) operational capability and installation of dual Honeywell AM-250 Altimeters and Rosemount model 0856NA Pitot-Static Probes · Flight Test Aerospace, Inc
- [STC ST01733WI](https://openairdocs.org/stc/ST01733WI.md): Installation of the Quiet Lear Hushkit or Avcon Noise Suppressor · Butler National Corporation
- [STC ST02316LA](https://openairdocs.org/stc/ST02316LA.md): Installation of a Crane Aerospace & Electronics Tire Sensor Assembly · ELDEC Corporation
- [STC ST01734WI](https://openairdocs.org/stc/ST01734WI.md): Installation of an Emergency Pneumatic Reservoir Assembly, EAS P/N 1260001-02 · EAS Corporation
- [STC ST03132CH](https://openairdocs.org/stc/ST03132CH.md): Installation of a single or dual Collins TDR-94/94D Mode S Transponder using existing control head, aircraft wiring, and antenna(s) · Royal Air Inc
- [STC ST01271WI](https://openairdocs.org/stc/ST01271WI.md): Installation of IS&S Air Data Computer System Update with Rosemount Static Probes and associated equipment in Learjet series aircraft to obtain Reduced Vertical Separation Minimum approval. · Global Aviation Technologies
- [STC ST00462LA](https://openairdocs.org/stc/ST00462LA.md): Modification of the engine exhaust system. · Rooke Corporation dba Aviation Equipment
- [STC SA996EA](https://openairdocs.org/stc/SA996EA.md): Installation of Shaw Aero fuel filler cap P/Ns 457-2, -266, -370, 431, -9R, -125, -1251. · Parker Hannifin Fluid Systems Division
- [STC ST01195WI](https://openairdocs.org/stc/ST01195WI.md): Installation of Rosemount Pitot/Static Probes, altimeters, and associated equipment in Learjet 20 series aircraft to obtain Reduced Vertical Separation Minimum approval. · Avcon Industries Inc
- [STC ST02540AT-D](https://openairdocs.org/stc/ST02540AT-D.md): Installation of replacement fuel tank sealant system · FFC Manufacturing
- [STC ST01842SE](https://openairdocs.org/stc/ST01842SE.md): Installation of a Sandel Avionics Horizontal Situation Indicator (HSI) and Attitude Direction Indicator (ADI) · Butler National Corporation
- [STC SA30GL](https://openairdocs.org/stc/SA30GL.md): Installation of electronic engine synchronizer system. · Ontic Engineering and Manufacturing Inc.
- [STC SA412CE](https://openairdocs.org/stc/SA412CE.md): Installation of Woodward Electronic Engine synchronizer system. · Ontic Engineering and Manufacturing Inc.
- [STC SA644CE](https://openairdocs.org/stc/SA644CE.md): Install drift sight provisions. Limited to installation on Learjet model 24, serial number 124. · Eaglejet Aviation Inc.
- [STC ST02265CH](https://openairdocs.org/stc/ST02265CH.md): Installation of Thrust Reverser Hydraulic System Modifications that were previously installed by STC SA1731SW, SA1669SW or SA1670SW · Leading Edge Designs LLC
- [STC ST01904CH](https://openairdocs.org/stc/ST01904CH.md): Installation of IS&S Air Data Display Units 9D-80130-15, Analog Interface Unit 9B-81040-30, and Rosemount model 0856NA pitot-static probes. Limited to Learjet 24 models with MKII wings, 300 kts Vmo airspeed limitation, and JET FC-110 autopilot. Excludes serial numbers 25-337, 25-352, 25-361, and 25-370 through 25-372. · Royal Air Inc

Next page: https://openairdocs.org/model/gates-learjet-24/stcs.md?page=2

## The whole list in SQL

Runs in DuckDB 1.2 or later on the release's Parquet files over HTTPS:

```sql
SELECT s.stc_number, s.description, s.holder, s.status, s.status_date, m.matched_model
FROM (
  SELECT stc_number, min(matched_model) AS matched_model
  FROM 'https://openairdocs.org/data/latest/faa_aircraft_model_stc.parquet'
  WHERE aircraft_model_code IN ('5170301')
  GROUP BY stc_number
) m JOIN 'https://openairdocs.org/data/latest/faa_stc.parquet' s USING (stc_number)
ORDER BY s.status = 'Current' DESC, s.status_date DESC, s.stc_number
```

This list as a web page: https://openairdocs.org/model/gates-learjet-24/stcs

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