TCDS 3A21

STCs approved under this data sheet · 702

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 = '3A21')
  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 SA5230SW-DInstallation of S-TEC System 40/50 single and two axis automatic flight guidance systems ST-213/40/50.S-TEC CorporationSTC SA3385SW-DMitchell automatic flight system AK886 consisting of Century 41 autopilot or AK886/FD consisting of Century 41 flight director.Century Flight Systems IncSTC SA3393SW-DInstallation of Mitchell automatic flight system AK885 consisting of Century 21 autopilot.Century Flight Systems IncSTC SA3397SW-DMitchell Automatic Flight System AK901 consisting of Century 31 Autopilot.Century Flight Systems IncSTC SA2152NMInstallation of an engine exhaust gas waste gate controller by-pass valve system.Albert P. BlossSTC SA1371SWWing leading cuff, wing tips and upper surface flow fences.Williams Robert or BarbaraSTC SA2066NMCoupling of a previously installed Texas Instruments Model 9100 Loran-C system with the existing Bendix FCS-810 Flight Control System and Sperry Stars Model IV8 Flight Director SystemWestern Aircraft MaintenanceSTC SA5144SW-DInstallation of S-TEC System 60 pitch stabilization system Model ST-039 with optional automatic electric trim system.S-TEC CorporationSTC SA1405SOReplacement and relocation of 'pre-select' flap switch with a continuous input flap switch.Jungle Aviation & Radio Service, Inc.STC SA1389SOInstallation of Brownline seat tracks.Jungle Aviation & Radio Service, Inc.STC SA1353SOInstallation of Armtex Model 477 fire detector.Armtec Industries, IncSTC SA4783SWInstallation of an electrically driven vacuum pump as a standby auxiliary pump to the existing vacuum system.Allison-CofferSTC SA1686NMInstallation of Descent Rate Control(DRC) (wing spoilers). This modification is applicable only to models previously modified in accordance with STC SA1525WE.Precise Flight IncSTC SA4273SWInstallation of S-TEC system 60 two axis automatic flight guidance system, Model ST-027 with optional autotrim systemS-TEC CorporationSTC SA4402SWInstallation of S-TEC system 60 single axis automatic flight guidance system Model ST-026S-TEC CorporationSTC SA1457NMInstallation of a Continental TSIO-520-M(1) engine and a McCauley D3A34C402/90DFA-10 propellerAircraft Specialties, Inc.STC SA1466NMInstallation of Descent Rate Control (DRC) (wing spoilers)Precise Flight IncSTC SA4511SWInstallation of S-TEC system 60 pitch stabilization Model ST-039 with optional autotrimS-TEC CorporationSTC SA334SWInstallation of InterAv Alternator.InterAv, IncSTC SA4419SWInstallation of S-TEC system 60 pitch stabilization system, model ST-040 with optional autotrim systemS-TEC CorporationSTC SA4404SWInstallation of S-TEC system 60 single axis flight guidance system, Model ST-033S-TEC CorporationSTC SA4403SWInstallation of S-TEC system 60 two axis flight guidance system Model ST-034 with optional autotrim systemS-TEC CorporationSTC SA1165NWInstallation of a one-piece Cee-Bailey windshieldAviation Inspection & Repair IncSTC SA826NWInstallation of Cessna flap gap seal fairingsSeaplane Flying IncSTC SA4033SWCamera installationHoward, A. D. Jr.STC SA992NWInstallation of a rearward facing co-pilot seat and an air sampling equipment rack in place of the rear seatsPugent Sound Flight CenterSTC SA3453WEInstallation of a cargo container.Aero Pod, IncSTC SA1005SOInstallation of Bendix FCS-870 automatic flight control system, or installation of Bendix FCS-870 automatic flight control system with reduced flap motor speed.Bendix Corporation Avionics DivSTC SA855NWInstallation of a Teledyne-Continental engine and a McCauley propellerMcKenzie Flying Service IncSTC SA854NWInstallation of droop aileron system, stall fences and stall stripsRobertson Aircraft CorpSTC SA728NWInstallation of vented fuel cap.Venting EngineeringSTC SA1420CEInstallation of wing leading edge cuffs(with or without de-icer boots) and wing stall fences.Barbara or Bob WilliamsSTC SA1474SWInstallation of 'MASA' 1223000-7 and -8 wing tip.Williams Robert or BarbaraSTC SA2862WEInstallation of larger fuel-containing wing tips.Flint AeroSTC SA2654WEInstallation of Pathfinder Model P2A( ) autopilot.Astronautics Corporation of AmericaSTC SA940CEInstall STOL Kit (wing leading edge cuffs, drooped tips, stall fences and aileron gap seals)Williams Bob or BarbaraSTC SA2905SWInstallation of AVICON TZ1 fuel flow totalizer systemAvicon Development CorporationSTC SA2906SWInstallation of AVICON AF1 fuel flow processor.Avicon Development CorporationSTC SA2386SWInstallation of S.A.F.E., EGT, CHT Systems.Avicon Development CorporationSTC SA1006SOInstallation of Bendix NP-2041A area navigation computer programmer.Bendix Corporation Avionics DivSTC SA210NWCollins AP-107 low profile 3 axis automatic flight control system.Collins Radio CompanySTC SA211NWInstallation of Collins AP-107 low profile two axis automatic flight control system.Collins Radio CompanySTC SA212NWInstallation of AP-107 low profile yaw damper system.Collins Radio CompanySTC SA530NWInstallation of McCauley D3A34C402/90DFA-10 propeller on Continental TSIO-520-H engine.Ontario Flight Service IncSTC SA901SWIncreased wing leading edge radius.Peterson Aircraft RepairSTC SA1021SWInstallation of flap on switch on control wheel.Peterson Aircraft RepairSTC SA1042SWInstallation of Hartzell-Wren beta control system.Peterson Aircraft RepairSTC SA1312CEChrome-plated brake disc installation.Engineering Plating & Processing, Inc.STC SA3466WEInstallation of Continental IO-520-A engine and McCauley D3A32C9OM/S-82NC-2 constant speed propeller in accordance with Alan L. Buchner Report No. 1 dated 6/9/77.Alan L. BuchnerSTC SA3377WEInstallation of flap gap fairing.Thermal Aircraft Company
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