OpenAirDocs.org
TCDS A20SO

STCs approved under this data sheet · 330

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 = 'A20SO')
  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 SA1626NM PAGE 2Installation of Electronics Int'l Digital EGT/CHT Instruments and accessories. (201 Series)Electronics InternationalSTC SA1818CEInstallation of total flood corporation fire extinguishing system in cabin and/or a fire extinguishant system in the engine compartments.Advanced Aircraft Extinguishers LtdSTC SA5159NMInstallation of chip detector system.Northwest Aircraft IncSTC SA999NEInstallation of Cleveland wheels and brakes nose-gear shimmy damper P/N 15-16.Airparts of Lock HavenSTC SA2844CEInstallation of a plastic cap enclosure over the anti-collision strobe light system.Air Transport IncSTC SA300CEInstallation of Woodward propeller governors on single and twin engine aircraft. (PA-31-325 modified per Colemill STC SA 970SO)Woodward Governor CompanySTC SA3197SOInstallation of replacement of the nose gear scissors link with a link that may be disconnected for ground handling.Aero Support EngineeringSTC SA3768WEInstallation of Fueltron digital fuel flow and totalizer system.Arnav Systems IncSTC SA4037WEInstallation of Silver Instruments fueltron IIIG or IIIP digital fuel and totalizer systemArnav Systems IncSTC SA689NEInstallation of Safeway Model6901 deicer boot.Safeway Products, IncSTC SA1595CEInstallation of stretcher.Med-Flite of Midamerica, IncSTC SA1986CEStructural provisions for medical provision console installation.Med-Flite of Midamerica, IncSTC SA2037CEInstallation of auxiliary wing fuel transfer tanks of 30.75 gallon capacity.Aviation Fabricators IncSTC SA4721NMInstallation of SynCon alarm system.SynCon IncSTC SA7584SWModification to the nose wheel steering system.Business AirSTC SA418NEInstallation of Sperry Model MLZ-900, microwave landing system.MSISTC SA4678SWInstallation of Pratt & Whitney AC L PT6A-20, -27 engine and airplane modifications to increase the maximum takeoff gross weight to 8,000 pounds.Southeastern Resources CorporationSTC SA2384CEThis change installs an equipment console, two observation windows, a modified landing/taxi light system, relocation of pitot tubes and provisions for the installation of a (FLIR) Forward Looking Infrared.Avcon Division/Butler National CorporationSTC SA4483NMInstallation of FC/FT-10 digital fuel flow indicating system.Arnav Systems, IncSTC SA3862NM PAGE 1Installation of Electronics International Primary TIT/EGT/CHT instruments, remote switches and associated accessories.Electronics InternationalSTC SA1104GLInstallation of South Wind (Div. of Stewart Warner Corp.) Model 8259L heater into the rear baggage compartment.C & D Associates IncSTC SA3282NMInstallation of ARNAV systems FC-10/FT-10 digital fuel flow indicating system. (PA-31-325 SN 31-7405479 and up) (PA-31-350 SN 31-5001-7405478 when modified)Arnav SystemsSTC SA2151CEInstallation of entertainment/ refreshment cabinet.Duncan Aviation, IncSTC SA967GLInstallation of Norton Radome Kit No. 2032B.Norton Company, Performance PlacticsSTC SA1774SOInstallation of a TIO-540-J2B or TIO-540-J2BD Lycoming engine on the left side and LTIO-540-J2B or LTIO-540-J2BD Lycoming engine on the right side.Southern Express Airways, IncSTC SA2504NMInstallation of power brake valve.Tempco Engr, IncSTC SA3010SW-DInstallation of Mitchell automatic flight system YK491 consisting of yaw damper systemCentury Flight Systems IncSTC SA3015SW-DInstallation of Mitchell automatic flight system model AK-498 consisting of Piper altimatic IIIC autopilot with optional command/automatic electronic pitch trim, radio couplder and glide slope coupler.Century Flight Systems IncSTC SA3016SW-DInstallation of Mitchell automatic flight system mode AK499 consisting of a Century IV autopilot or AK499FD consisting of a Century IV flight director autopilot with optional remote annunciator.Century Flight Systems IncSTC SA3017SW-DInstallation of Mitchell automatic flight system model AK485 consisting of a Piper altimatic IIIC autopilot with optional command/ automatic electronic pitch trim system, radio coupler and glide slope couplerCentury Flight Systems IncSTC SA3021SW-DMitchell automatic flight system AK500 and AK500FD consisting of Century IV autopilot and Century IV flight director autopilot with optional remote annuciator panel.Century Flight Systems IncSTC SA1522SWInstallation of Mitchell automatic flight system model AK394, consisting of Century I autopilot with optional omni tracker.Century Flight Systems IncSTC SA1065SWInstallation of Mitchell flight director and autopilot Model 282-187 including a remote slaved directional gyro and optional autoflite model AK187.Century Flight Systems IncSTC SA1204SWInstallation of manual electric trim AK281.Century Flight Systems IncSTC SA1234SWInstallation of Mitchell automatic flight system FD/AP282-273, consisting of flight system Model FD/AP282-273 consisting of flight director /autopilot with optional automatic aileron stabilizer AK273.Century Flight Systems IncSTC SA1255SWInstallation of Mitchell automatic flight system Model AK324 consisting of Piper autoflite II and tracking system.Century Flight Systems IncSTC SA1418SOReplacement of rotor vanes in Airborne 211CC and 212CW vacuum pumps. (See limitations)Aircraft Products Supply Co IncSTC SA3129SW-DInstallation of Mitchell Automatic Flight System Model AK590 consisting of Century III Autopilot with Optional Radio Coupler and Glide Slope CouplerCentury Flight Systems IncSTC SA3130SW-DInstallation of Mitchell Automatic Flight System Model AK589 consisting of Century III Autopilot with Optional Radio Coupler and Glide Slope CouplerCentury Flight Systems IncSTC SA3211SW-DInstallation of Mitchell automatic flight system model AK686 consisting of a Piper altimatic X Autopilot or Model AK686FD consisting of a Piper altimatic X flight director autopilot with optional remote annunciator.Century Flight Systems IncSTC SA3355SWMitchell automatic flight system AK846/FD consisting of Century IV/flight autopilot with optional remote annunciator.Century Flight Systems IncSTC SA3389SW-DMitchell automatic flight system AK847 consisting of Century 41 autopilot or AK847FD consisting of Century 41 flight director.Century Flight Systems IncSTC SA3388SW-DInstallation of Mitchell automatic flight system Model YK849 consisting of a yaw damper system.Century Flight Systems IncSTC SA4574SWInstallation of Texas Instruments Loran C, Model TI 9100.Texas Instruments, IncSTC SA4792SWInstallation of Texas Instruments Inc Loran C Model TI-91 navigatorTexas Instruments, IncSTC SA4385WPInstallation of inflatable door seal.Bob Fields AerocessoriesSTC SA367GLInstallation of Norton radome kit No. 2032XNorton Company, Performance PlacticsSTC SA4226WEInstallation of DTL-1000, -1001 and/or -1002/3 autopilot adapters for the Edo-Aire Mitchell Century III autopilot.Kettler Douglas LSTC SA2948SWAddition of Hydro Seal Fluid Additive to landing gear shock struts.Granville Lasseter/dba Granville's Aircraft Strut SealantSTC SA1164SOInstallation of a Bendix FCS-870 automatic flight control system.Bendix Corporation Avionics Div
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