Supplemental type certificates

49,120 STCs, most recently changed first. Search by what an STC changes, its holder or a model.

Query with SQL
duckdb -csv -c "SELECT stc_number, description, holder, status, status_date
  FROM 'https://openairdocs.org/data/latest/faa_stc.parquet'
  ORDER BY status_date DESC NULLS LAST, 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 SA323SOSolid state voltage regulator.Piedmont Aviation Inc · Jan 1, 1960STC SA324SOWing flap actuated switch.Piedmont Aviation Inc · Jan 1, 1960STC SA325CEGUARD system (Gear Up Automatic Response Device).In-Flight Devices Inc · Jan 1, 1960STC SA325SOInterior changes in passenger and jump seats.Southern Airways Inc · Jan 1, 1960STC SA326CE25-gallon auxiliary fuel tank on wing.MidContinent Aerial Sprayers · Jan 1, 1960STC SA326SOContinental W-670-6N engine.Rust R E · Jan 1, 1960STC SA326WEEmergency safety equipment.AiResearch Aivation Service Co · Jan 1, 1960STC SA327WECargo tie-down rings for retaining a 4,700 pound R 3350 QEC package.AiResearch Aivation Service Co · Jan 1, 1960STC SA3280SOInstallation of a Honeywell windshear computer, provisions only.Caribe Aviation Inc · Jan 1, 1960STC SA329SOReplacement of cockpit door lock.Piedmont Aviation Inc · Jan 1, 1960STC SA32EABulkhead and door at station 527.5Atlantic Aviation Corporation · Jan 1, 1960STC SA32WEInterior modification.AiResearch Aivation Service Co · Jan 1, 1960STC SA330SONew cockpit door with electric lock device.Piedmont Aviation Inc · Jan 1, 1960STC SA331CENew base instrument panel incorporating artificial horizon.Spartacus Industries · Jan 1, 1960STC SA331SOExternal power supply plug.Montgomery Avn Corp · Jan 1, 1960STC SA332EAElectronic voltage alarm.McKinley Engineering Corp · Jan 1, 1960STC SA333CEOmni view window.Haveman George F · Jan 1, 1960STC SA333EALitton low range altimeter system and activation of altitude bar.Pan American World Airways Inc · Jan 1, 1960STC SA333SOBeverage bar.Delta Airlines Inc · Jan 1, 1960STC SA333WE107-gallon main fuel tank in each outboard wing panel.Aircraft Tank Service Inc · Jan 1, 1960STC SA334EAJanitrol heater and APU.AirKaman Inc · Jan 1, 1960STC SA335SWOverspeed warning system.Braniff Airways Inc · Jan 1, 1960STC SA335WE107-gallon integral auxiliary fuel tank in each outer wing with or without fuel dumping provisions.Aircraft Tank Service Inc · Jan 1, 1960STC SA336SOCockpit voice recorder.Delta Airlines Inc · Jan 1, 1960STC SA337EAConversion of aircraft electrical system to 24 volt. (PA-23-250 SN 27-2505 and up)Reading Avn Svc Inc · Jan 1, 1960STC SA338CEContinental C-90-12-F engine.Haveman George F · Jan 1, 1960STC SA33SWBeech T-24 ailerons 45-135050-3with servo attach fittings 45-115090.Aircraft Inspection & Maintenance Inc · Jan 1, 1960STC SA33WEAutopilot M-4.Bendix Corp · Jan 1, 1960STC SA340WEEngine mount 2028 (restricted category only).Serv-Aero Engineering Inc · Jan 1, 1960STC SA341WEEngine mount to remove down thrust and change horizontal tail incident.Met-Co-Aire · Jan 1, 1960STC SA342CEAutopilot variable angle intercept.Trans World Airlines Inc · Jan 1, 1960STC SA342EASeat track extensions, inboard and outboard.Atlantic Aviation Corporation · Jan 1, 1960STC SA342SOCockpit voice recorder.Piedmont Aviation Inc · Jan 1, 1960STC SA343EAHoles in floor of aircraft for use of viewfinder and camera.Lindblad Herbert P · Jan 1, 1960STC SA343SOCockpit voice recorder.Delta Airlines Inc · Jan 1, 1960STC SA3479WEModification by installation of an alternate pallet restraint system.Pemco Engineers Inc · Jan 1, 1960STC SA347WEAircraft modified for 41 occupants.Mercer Enterprises · Jan 1, 1960STC SA348CESP-5300-1 or -2 TACOR (Turn and Attitude Coordinator).Standard Precision Inc · Jan 1, 1960STC SA349SOHydraulic regulator change.Southern Airways Inc · Jan 1, 1960STC SA34CETow hitch assembly.Soaring Society of American Inc. · Jan 1, 1960STC SA350SOGalleys 1 and 4.Capitol Airways Inc · Jan 1, 1960STC SA352WEInterior.AiResearch Aivation Service Co · Jan 1, 1960STC SA353CEDD985 engine mount for use with Pratt & Whitney R-985 engine or DD 1340 engine mount for use with Pratt & Whitney R-1340 engine.D & D Aero Spraying Inc · Jan 1, 1960STC SA353EANose section modified.Liebolt John · Jan 1, 1960STC SA353SOTwo forward seats in cabin between Stations 115.78 and 134.78.Robbins Airborne · Jan 1, 1960STC SA3547WEInstallation of cargo container P/N 025-45571Continental Airlines Inc · Jan 1, 1960STC SA354ALInstallation of AD 2500x10.5 wheel replacement skis and rigging.F Atlee Dodge Aircraft Service · Jan 1, 1960STC SA354CEAuto thrust system.Trans World Airlines Inc · Jan 1, 1960STC SA354SOAft cabin door removed.Crouch Vernon L · Jan 1, 1960STC SA354WEObserver's jump seat.California Airmotive Corporation · Jan 1, 1960