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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.

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

Run it at the DuckDB prompt, or in any tool that reads Parquet over HTTPS. More ways to query the release are on Use the data.

STC SA328NWInstallation of Fairchild Stan (R) Integral weight and balance systemAir Repair · Jul 28, 1976 STC SH2338SWModification for IFR type of operation.Associated Air Center · Jul 28, 1976 STC SA3239WEInstallation of nacelle baggage lockers.Aerocessories Company · Jul 27, 1976 STC SA130GLInstallation of Systron-Donner Model 8160-20-P10 angular rate sensor in lieu of presently installed rate gyros in pitch- axis computer, roll-axis computer, and stability augmentation computers.North Central Airlines, Inc · Jul 23, 1976 STC SA2335SWIncrease depth of Weber 808737-618-M pilot seat and 808737-619-M copilot seat.B & H Parts Company · Jul 23, 1976 STC SA3084WEInstallation of Collins FPC-75 ground proximity warning system computer.Air California · Jul 21, 1976 STC SA592ALInstall leading edge cuff, stall fences, and flap and aileron gap seals.Charles C Center · Jul 19, 1976 STC SA3209WEInstallation of Collins AP-105 autopilot and FD-109 flight director.AiResearch Aivation Service Co · Jul 16, 1976 STC SA3235WEInstallation of recognition light assembly on horizontal stabilizer.Devore Aviation Corp · Jul 13, 1976 STC ST875SOReplacement of Monogram P/N 3299-1 or Leach P/N TD1514-1002 timer assemblies with Piedmont P/N 737D-81017 solid state timer.Piedmont Aviation Inc · Jul 13, 1976 STC SA125GLInstallation of Plessey Company P/N 612-1-39863 ground proximity warning system.Air Illinois, Inc · Jul 12, 1976 STC SA3234WEInstallation of Piper oil cooler and associated installation components.Aircraft Maintenance Service · Jul 8, 1976 STC SA482SOInstallation of Bendix FCS-810 automatic flight control system including manual electric trim and flight director indicator.Bendix Corporation Avionics Div · Jul 2, 1976 STC SA1120CEInstallation of Collins Radio Group AP-106 autopilot system.Collins Radio Group · Jul 1, 1976 STC SA1121CEInstallation of Collins Radio Group AP-107 (2 axis) autopilot system.Collins Radio Group · Jul 1, 1976 STC SA1122CEInstallation of Collins AP-107(3 axis) autopilot system.Collins Radio Group · Jul 1, 1976 STC SA1126CEInstallation of Collins Radio Group AP-106 autopilot system. (E55A S/N TE-982 AND UP)Collins Radio Group · Jul 1, 1976 STC SA1127CEInstallation of Collins AP-107(2 axis) autopilot systems. (E55A S/N TE982 AND UP)Collins Radio Group · Jul 1, 1976 STC SA589ALInstall square horizontal stabilizers, elevators, and rudder.Ronald E Sullivan · Jun 28, 1976 STC SA3202WEONE ONLY STC, SN L-5830: Installation of Continental C-85-12F engine, McCauley 1890 propeller, modified trim and spoiler control systems, and associated changes.David B. Kratzer · Jun 24, 1976 STC SA3220WEAddition of filter to the cabin pressure limit control feature of P/N 103280 outflow valve. (727-223, -235, 225, -231, -227, -228, -284, -264, -295, -251)Honeywell International Inc. · Jun 24, 1976 STC ST999SOInstallation of Bendix ground proximity warning system.Bendix Corporation Avionics Div · Jun 24, 1976 STC SA318NWRemoval of the left-hand cabin doorGerard, Richard L. · Jun 23, 1976 STC SA2230SWInstallation of interior and associated modifications.Societe Nationale Indus. Aerospatiale · Jun 22, 1976 STC SA623NWInstallation of late style fuel tank access panelsPatrick A Wendt · Jun 20, 1976 STC SA447SOInstallation of Bendix Model FCS810 flight control system, including manual electric trim and flight director indicator DH 841( ).Bendix Corporation Avionics Div · Jun 17, 1976 STC SA465SOInstallation of Bendix FCS-810 automatic flight control system including flight director indicator DH-841( ) and manual electric trim.Bendix Corporation Avionics Div · Jun 17, 1976 STC SH267NWInstallation of Simplex Model 3400 spray system.Simplex Manufacturing Co · Jun 16, 1976 STC SA246NWInstallation of EDO Model 249A-2870 floatsRenton Aviation Inc · Jun 15, 1976 STC SA304NWInstallation of a PA20 landing gear and removal of rudder/aileron interconnectAviation Inspection & Repair Inc · Jun 15, 1976 STC SA305NWInstallation of EDO 5250 floatsJobmaster Company Inc · Jun 15, 1976 STC SA306NWInstallation of EDO 4665 floats.Jobmaster Company Inc · Jun 15, 1976 STC SA309NWInstallation of auxiliary vertical stabilizer fins.Jobmaster Company Inc · Jun 15, 1976 STC SA3212WEInstallation of forward cargo compartment positive vent sump drain.Continental Airlines Inc · Jun 15, 1976 STC SA502SOInstallation of Bendix FCS-810 automatic flight control system including manual electric trim and optional flight director indicator DH-841.Bendix Corporation Avionics Div · Jun 15, 1976 STC SA539SOInstallation of Bendix FCS-810 automatic flight control system including manual electric trim and optional flight director indicator and/or YD-4 yaw damper.Bendix Corporation Avionics Div · Jun 15, 1976 STC SA1423WEWing truss reinforcement, front spar, and change of hinge points for landing gear idler arm.Miller Fred J · Jun 14, 1976 STC SA315NWInstallation of Aero-Dyne P/N ADC-1-76-3 hold open device in McDonnell Douglas P/N 5113191 emergency exit window.Aero Dyne Corporation · Jun 10, 1976 STC SA2327SWInstallation of locking 'Carabiner' in the suspension system.Meador J C · Jun 9, 1976 STC SA874WEShoulder harness installation.Jay- Dee Aircraft Supply Co · Jun 9, 1976 STC SA3119SW-DInstallation of Mitchell Automatic Flight System, Model AK452, consisting of Century III Autopilot with Optional Radio Coupler and Glide Slope CouplerMitchell Industries, Inc. dba EDO-AIRE MITCHELL · Jun 8, 1976 STC SH2319SWSeat modification.Ward Intl Aircraft Service · Jun 4, 1976 STC SH2320SWInstallation of bar.Ward Intl Aircraft Service · Jun 4, 1976 STC SH2321SWInstall folding table.Ward Intl Aircraft Service · Jun 4, 1976 STC SH2322SWInstallation of coat closet.Ward Intl Aircraft Service · Jun 4, 1976 STC SH2323SWInstallation of trash container.Ward Intl Aircraft Service · Jun 4, 1976 STC SH2324SWInner-window assembly.Ward Intl Aircraft Service · Jun 4, 1976 STC SA444SOInstallation of Bendix Model FCS 810 flight control system, including flight director indicator DH 841( ).Bendix Corporation Avionics Div · Jun 3, 1976 STC SA471SOInstallation of Bendix FCS-810 automatic flight control system including manual electric trim and optional flight director indicator.Bendix Corporation Avionics Div · Jun 3, 1976 STC SA429SOInstallation of Bendix Model FCS-80 automatic flight control system with manual electric pitch trim and flight director indicator.Bendix Corporation Avionics Div · Jun 2, 1976