TCDS 3A20

STCs approved under this data sheet · 616

Current certificates first, most recently changed first.

Query with SQL
duckdb -csv -c "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 tcds_number = '3A20')
  ORDER BY s.status = 'Current' DESC, s.status_date DESC, s.stc_number"

Prints the whole list as CSV. It reads the release’s Parquet files over HTTPS, so there’s nothing to download first. Install DuckDB to run it.

STC SA00237WIInstallation of a Bendix/King EFIS-4 0electronic flight instrument systemElliott Aviation Technical ProductsSTC SA257CHIncreases the cruise interstage turbine temperature (ITT) limit to 695 degrees centrigrade. (C90 WITH PRATT & WHITNEY PT6A-21 ENGINES)Elliott Aviation Technical ProductsSTC SA8922SWInstallation of replacement Ultimate Engine Oil Filter for Textron Lycoming and Teledyne Continental engines. (411 S/N 000 THRU 0126, S/N 0127 AND UP) (T188C S/N 03474 AND UP) (206 S/N 05030 AND UP) (207 S/N 05227 AND UP) (T207 S/N 05227 AND UP) (P21 0 SERIES S/N 278 AND UP) (180 S/N 53087 AND UP) (210 S/N 63373 - 63375 AND UP) (B19 SPORT)Capehart Industries, IncSTC SA3501SWInstallation of Pratt & Whitney of Canada PT6-27/28 or PT6A-34/34B or PT6A-110/-112 flat rated to 550 HP engines.Frakes Aviation, IncSTC SA5656NMInstallation of burglar alarm system.Thompson Harold SSTC SA194CHInstallation of a Flight Visions FV-2000/KA head- up display.Flight Visions, IncSTC SA7071NMInstallation of Global Wulfsberg FLITEFONE 800, airborne public switching telephone system.AlliedSignal AvionicsSTC SA00110WIInstallation of Beechpower engine performance recorder system.BeechPower IncSTC SA4745NMInstallation of Lifeport Patient Loading and Support System.LifePort IncSTC SA5926NMInstallation of manifold pressure instrument.Electronics InternationalSTC SA4050NMInstallation of medical interior.Mayo Aviation IncSTC SA1206SOInstallation of Pratt & Whitney PT6A-28 engines.West Tennessee AviationSTC SA1626NM PAGE 1Installation of Electronics Int'l Digital EGT/CHT Instruments and accessories. (201 Series)Electronics InternationalSTC SA3296SOInstallation of a Bendix/King2 Tube EFIS-40 system (pilot only).Air BP AtlantaSTC SA2844CEInstallation of a plastic cap enclosure over the anti-collision strobe light system.Air Transport IncSTC SA3256SOInstallation of a seat track mounted stretcher assembly.Air Ambulance InternationalSTC SA300CEInstallation of Woodward propeller governors on single and twin engine aircraft. (PA-31-325 modified per Colemill STC SA 970SO)Woodward Governor CompanySTC SA8205SWInstallation of Collins TCAS-94 traffic alert and collison avoidance system (TCAS-II) with a single Mode S (TDR-94D)TransponderTulsair Beechcraft, IncSTC SA2788CEInstall optical glass window in emergency exit door.Avcon Industries IncSTC SA7136SW-DInstallation of S-TEC system 65 two axis automatic flight guidance system Model ST-403.S-TEC CorporationSTC SA7137SW-DInstallation of S-TEC yaw damper system Model ST-404.S-TEC CorporationSTC SA810CEBattery temperature sensing and over-temperature warning systems.R C Allen Instruments IncSTC SA7737SWInstallation of a litter pallet to right hand existing seat track.Omiflight Helicopters, IncSTC SA688NEInstallation of Safeway Model 6900 deicer boot.Safeway Products, IncSTC SA2687CEReplacement of Lucas starter/ generator model 23048 (250 amp) with Advance Industries Starter/Generator model AI23048Advanced Industries, IncSTC SA993GLInstallation of air ambulance conversion.Daedalus, IncSTC SA1279CEInstallation of Avcon Ind. stretcher with P/N 4001-103 or 4001-104.Med-Flite of Midamerica, IncSTC SA1856CEConsole installation (structural approval only).Med-Flite of Midamerica, IncSTC SA1709CEStructural provisions for ambulance and life support systems installation.Midwest Corporate AvnSTC SA769NEInstallation of AEL Avionics Upgrade Package (4259239-501)American Electronics LabsSTC SA2350NM PAGE 1Installation of Electronics International Inc digital carburetor/outside air temperature gaugesElectronics InternationalSTC SA2578CEInstall a Universal CVR-80 Cockpit Voice Recorder.Duncan Aviation, IncSTC SA4302NMInstallation of Electronics Int'l digital automatic engine analyzer.Electronics InternationalSTC SA419NEInstallation of Sperry Model MLZ-900 and MLZ-910 microwave landing system.MSISTC SA4340NMInstallation of a PT-6A-20 engine ont he left side and a PT-6A-6A on the right side, each installed per instructions of STC SA1016WE.Methow Aviation IncSTC SA3724NMThis modification installs advisory engine trend monitoring equipment which enables the early detection of engine deterioration.Data Trend, IncSTC SA3758NMInstallation of a single Global Wulfsberg Systems airborne flight information system(AFIS).Global Systems, IncSTC SA485NEInstallation of items in accordance with Stead Aviation Engineering Report Number 6070.Stead Aviation CorpSTC SA2224SOInstallation of an observer seat.Flight Safety IntlSTC SA2347CEInstall Bendix MLS-21 microwave landing system - MLS.United Beechcraft, IncSTC SA2115SW-ACInstallation of Advanced Navigation Model 7000 Loran C navigation system with interface to the pilot's flight director/autopilot, radar navigation system, and the number 1 compass system.Federal Aviation AdministrationSTC SA2767SWInstallation of Ray Electronics battery current monitoring system.Zee Company, IncSTC SA1911SOInstallation of air ambulance support equipment and litter rack. (65-90 SN LJ-27, LJ-77)Sunny South of Gainesville, Inc.STC SA506WEInstallation of HRD-type engine fire extinguishing system.Division-Pacific Scientific HTL Ind. IncSTC SA660WEInstallation of HRD-type fire extinguishing system. (AND STC SA111WE)Pacific ScientificSTC SA5461SWInstallation of auxiliary engine-driven fuel pump.ET Engines and Aircraft Services, IncSTC SA2131CEInstallation of a takeoff performance monitoring system.AiroQuest CorporationSTC SA616GLInstallation of a Shadin Co. fuel flow indicating system.Shadin AvionicsSTC SA3515SWInstallation of Aerospace Controls Corporation bleed air heating system.Frakes Aviation, IncSTC SA5899SWInstallation of exhaust shields on the engine exhaust ducts.Aeroplace Service, Inc
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