# STCs approved for this model: Learjet 24A A list on [Learjet 24A](https://openairdocs.org/model/learjet-24a.md). Current certificates first. Page 1 of 2 · 59 STCs - [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 SA01452CH](https://openairdocs.org/stc/SA01452CH.md): Installation of an air ambulance conversion kit. · Med-Pac Inc. - [STC SA1170CE](https://openairdocs.org/stc/SA1170CE.md): Stretcher installation in cabin area. · Med-Flite of Midamerica Inc - [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 SA1639GL](https://openairdocs.org/stc/SA1639GL.md): Install air ambulance conversion. · Spectrum Aeromed LLC dba Spectrum Aeromed - [STC SA1670SW](https://openairdocs.org/stc/SA1670SW.md): Installation of engine thrust reversers. · The NORDAM Group LLC - [STC SA1RM](https://openairdocs.org/stc/SA1RM.md): Installation of cargo restraint system · Avcon Industries Inc - [STC SA2304SW](https://openairdocs.org/stc/SA2304SW.md): Replacement of plunger type landing gear squat switch with rotary type switch. · Sierra Industries, 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 SA2661SW](https://openairdocs.org/stc/SA2661SW.md): Installation of Ray Model 7507A battery monitoring system · Zee Company, Inc - [STC SA2726SW](https://openairdocs.org/stc/SA2726SW.md): Installation of 6-pole rotary squat switches. · Sierra Industries, Inc - [STC SA2788SW](https://openairdocs.org/stc/SA2788SW.md): Installation of tail-stringer antenna housing. · Sted-Mac Co - [STC SA2876WE](https://openairdocs.org/stc/SA2876WE.md): Installation of vertical tail floodlights on the horizontal stabilizer. · DeVore Aviation Corporation of America, a New Mexico Corporation - [STC SA3249WE](https://openairdocs.org/stc/SA3249WE.md): Installation of dual Collins ADF Systems. · Learjet Inc - [STC SA3264WE](https://openairdocs.org/stc/SA3264WE.md): Installation of Global GNS-500A VLF navigation system. · Learjet Inc - [STC SA3328WE](https://openairdocs.org/stc/SA3328WE.md): Installation of flight data recorder Sundstrand Model FA542. · Learjet Inc - [STC SA3899WE](https://openairdocs.org/stc/SA3899WE.md): Installation of Collins F1S-84 Flight Instrument System. · Learjet Inc - [STC SA4059NM](https://openairdocs.org/stc/SA4059NM.md): Installation of emergency medical system. · Milam International Inc - [STC SA4060NM](https://openairdocs.org/stc/SA4060NM.md): Installation of emergency medical system. · Mayo Aviation Inc - [STC SA4218WE](https://openairdocs.org/stc/SA4218WE.md): Installation of Radio Corporation of America Primus-300SL Color Weather Radar System. · Learjet Inc - [STC SA4403NM](https://openairdocs.org/stc/SA4403NM.md): Installation of third attitude indicator that meets the requirements of FAR 121.305(j). · Learjet Inc - [STC SA4999NM](https://openairdocs.org/stc/SA4999NM.md): Installation of lifeport patient loading and support system. · LifePort LLC - [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 ST00016WI](https://openairdocs.org/stc/ST00016WI.md): Installation of Electric Floorboard Heaters · Learjet Inc - [STC ST00098IB](https://openairdocs.org/stc/ST00098IB.md): Introduction of ADS-B Out · STC Twenty One Limited - [STC ST00361DE](https://openairdocs.org/stc/ST00361DE.md): Installation of Puritan Bennett or B/E Aerospace Sweep on 2000 or Zodiac Intertechnique EROS crew oxygen mask. · West Star Aviation - [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 ST01138DE](https://openairdocs.org/stc/ST01138DE.md): Installation of MidContinent MD23 standby altimeter and/or attitude indicators · Butler National Corporation - [STC ST01733WI](https://openairdocs.org/stc/ST01733WI.md): Installation of the Quiet Lear Hushkit or Avcon Noise Suppressor · Butler National Corporation - [STC ST01734WI](https://openairdocs.org/stc/ST01734WI.md): Installation of an Emergency Pneumatic Reservoir Assembly, EAS P/N 1260001-02 · EAS Corporation - [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 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 - [STC ST01930LA](https://openairdocs.org/stc/ST01930LA.md): Installation of Sandel Avionics SN4500 Electronic Horizontal Situation Indicator (EHSI) · Sandel Avionics LLC - [STC ST01936WI](https://openairdocs.org/stc/ST01936WI.md): Installation of LED lights · AeroLED's Holdings LLC - [STC ST01946NY](https://openairdocs.org/stc/ST01946NY.md): Cockpit voice recorder replacement with Universal CVR 30B or CVR120. · MidCanada Mod Center - [STC ST02004WI](https://openairdocs.org/stc/ST02004WI.md): Installation of the Garmin GI-275 Instantaneous Vertical Speed Indicators (IVSI) · Peregrine - [STC ST02016CH](https://openairdocs.org/stc/ST02016CH.md): Certification for Reduced Vertical Separation Minimum (RVSM) operational capability. Excluding serial numbers 25-337, 25-352, 25-361, and 25-370 through 25-372. · Royal Air 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 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 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 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 ST02316LA](https://openairdocs.org/stc/ST02316LA.md): Installation of a Crane Aerospace & Electronics Tire Sensor Assembly · ELDEC Corporation - [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 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 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 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 ST02893AT](https://openairdocs.org/stc/ST02893AT.md): Installation of a Boom Beam Taxi/Landing Light System · Whelen Aerospace Technologies - [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 Next page: https://openairdocs.org/model/learjet-24a/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 FROM 'https://openairdocs.org/data/latest/faa_stc.parquet' s WHERE s.stc_number IN (SELECT stc_number FROM 'https://openairdocs.org/data/latest/faa_stc_model.parquet' WHERE model_key = '24A') ORDER BY s.status = 'Current' DESC, s.stc_number ``` This list as a web page: https://openairdocs.org/model/learjet-24a/stcs --- OpenAirDocs.org is an independent research project of [Contrail Labs](https://contraillabs.com/). It is not affiliated with the FAA or the NTSB. Source documents are U.S. government works in the public domain.