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 SA2814WEInstallation of Hamilton Standard3D40 225/6101A-18 propeller.Santa Monica Propeller Svc · Feb 5, 1974STC SA350ALInstallation of baggage restraint.Wien Air Alaska, Inc · Feb 4, 1974STC SA574SOInstallation of Bendix FCS-810automatic flight control system,including manual electric pitch trim and optional flight director indicator DH-841.Bendix Corporation Avionics Div · Feb 1, 1974STC SA960CELower cabin door designed to accommodate four flare racks for cloud seeding.Avcon Industries Inc · Feb 1, 1974STC SH1800SWInstall reclining passenger seat in forward left hand position.Ward Intl Aircraft Service · Feb 1, 1974STC SA2810WEInstallation of Collins AP-105 autopilot and FD-108 flight director systems.Tower Avionics Center · Jan 30, 1974STC SA2805WENickel cadmium battery installation.Aircraft Technical Service Inc · Jan 25, 1974STC SA2806WEInstallation of additional emergency exits.Aircraft Technical Service Inc · Jan 25, 1974STC SA2670WEInstallation of Madras Air Service Fiberglass wing tipsMadras Air Service · Jan 24, 1974STC ST738SOInstallation of Gulton Model EMBS144 nickel-cadmium electrical storage battery and integral auto- matic control system.National Airlines, Inc · Jan 23, 1974STC SA83NWRelocation of autopilot accelerometer and rate gyros. (707-353B)Collins Radio Company · Jan 16, 1974STC SA1780SWInstallation of portable solid oxygen system.Stand-By Systems, Inc · Jan 15, 1974STC SA1900WEInstallation of Wright R2600-35 engines and Hamilton Standard23E50-505/6359A-13 propellers.Hawkins & Powers Avn Inc · Jan 15, 1974STC SA88NWOptional interior seating arrangement.American Aviation Service Inc · Jan 14, 1974STC SA1726SWInstallation of Foxtronics battery isolation system.Foxtronics, Inc · Jan 10, 1974STC SA510ALInstallation of 'Summer-all defroster valve.'Sumrall & Tears · Jan 10, 1974STC ST450SOModification of thrust reverser forward deflector door link.Stellar Hydraulics Co · Jan 9, 1974STC SA1873WEInstallation of Litton Systems dual LTN-51 or LTN-52 inertial navigation systems.Litton Systems, Inc · Jan 4, 1974STC SA2781WEInstallation of pilot cockpit door.Hamilton Avn Co, Inc · Jan 2, 1974STC SA85NWInstallation of a derated Continental E-225-8 engineCollins Aviation Service · Dec 28, 1973STC SA86NWInstallation of automatic carburetor alternate air control unit.Aero Deicers, Inc · Dec 28, 1973STC SA2792WEInstallation of Dorne & Margolin antenna assembly (DMN 4-15) on the vertical tail cap.AiResearch Aivation Service Co · Dec 20, 1973STC SA2793WECart tiedown assembly.H Koch & Sons · Dec 20, 1973STC SA84NWInstallation of a derated Continenntal E-225-8 engineCollins Aviation Service · Dec 19, 1973STC SA571SOInstallation of Pratt & Whitney PT6A-28 engines. For this installation each engine is limited to a maximum of 550 SHP.Memphis Turbines, Inc · Dec 14, 1973STC SH5NEInstallation of revised instrument panel and installation of pressure operated gyro instrument back-up system.Copters Unlimited, Inc · Dec 14, 1973STC SE63WEInstallation of starter ring gear support assembly.Adler Neil J · Dec 12, 1973STC SG12WERemoval of canopy and rear control stick.Deutsch Paul R · Dec 12, 1973STC SA492ALInstallation of BE-1006 landing aid system.Wien Air Alaska, Inc · Dec 11, 1973STC SA2790WEInstallation of angle of attack indicator.Thompson Aircraft Company · Dec 10, 1973STC SA2791WEModification of airplane lower deck aft cargo compartment restraint system. (747-284)Olympic Airways SA · Dec 10, 1973STC SA1642WEModification of exhaust system components.Wooley Tool & Mfg Div · Dec 7, 1973STC SA81NWMinor modifications to pilot's instrument panel and relocation of autopilot accelerometer and rate gyros for improved performance. (707-153B)Collins Radio Company · Dec 7, 1973STC SA854CE-D60,000 lbs. main deck allowable loading. (707-331)Boeing Company · Dec 7, 1973STC SA570SOInstallation of Bendix M-4D automatic flight control system, in cluding optional manual electric trim and optional flight director indicator.Bendix Corporation Avionics Div · Dec 6, 1973STC SA21RMInstallation of cabin divider.Combs Gates Denver Inc · Dec 5, 1973STC SA2784WEInstallation of Ontrac II VLF 1000 very low frequency navigation system.Communications Components Corporation · Dec 3, 1973STC SA2-889McMillan radome 7141X.Piedmont Aviation Inc · Nov 21, 1973STC SA461SOInstallation of the Pratt & Whitney PT6A-28 enginesDelta Aviation, Inc · Nov 21, 1973STC SA526SOInstallation of the Pratt & Whitney PT6A-28 enginesDelta Aviation, Inc · Nov 21, 1973STC SA969EAInstallation of Inflight movie projection assembly P/N 10270, Super 8mm IMPAK system.Inflight Motion Pictures, Inc. · Nov 21, 1973STC ST564SOInstallation of HF antenna and associated hardware and structural provisions for mounting HF tuning unit.Aeronautical Engineers, Inc · Nov 19, 1973STC SA1763SWModification to Burns BH1600 double seats to aft facing.Ward Intl Aircraft Service · Nov 14, 1973STC SA967EAInstallation of Tramm BTI-6000 dual battery temperature indicating system.Atlantic Aviation Corporation · Nov 13, 1973STC SA2593WEInstallation of Dorne and Margolin DMN 4-15 antenna (VOR/localizer) is installed in vertical stabilizer.AiResearch Aivation Service Co · Nov 9, 1973STC SH159WEInstallation of a muffler.Lear Avia Corporation · Nov 8, 1973STC SA442ALInstallation of 8.50x6 4- or 6-ply rated Goodyear or UniRoyal tires.Northland Aviation · Nov 7, 1973STC SH1759SWNi-Cad battery overtemperature warning system.Chrysler Corporation · Nov 6, 1973STC SA15PCOne Only STC, SN LD-27, N1590S: Structural support provisions.Peyton Carroll · Nov 1, 1973STC SA2395WEInstallation of coffee bar cart, P/N 801000.Fairchild-Stratos Div · Nov 1, 1973