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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 SA530SOInstallaton of manual electric trim system.Bendix Corporation Avionics Div · Feb 28, 1973 STC SA797EAInstallation of inflight motion picture system. (707-138B)Inflight Motion Pictures, Inc. · Feb 26, 1973 STC SA2229WEInstallation of Madras wing tipsMadras Air Service · Feb 21, 1973 STC SA2454WEInstallation of Madras wing tips. (170B NORMAL CATEGORY)Madras Air Service · Feb 21, 1973 STC SA2550WEInstallation of Flite-Tronics inverters Model PC-17A.AiResearch Aivation Service Co · Feb 20, 1973 STC SA3SWAdded Propeller governor bracketAir Center, Inc · Feb 20, 1973 STC SA1604SWInstallation of Aft cargo door between F.S. 661 and F.S. 801.Air Services, Inc · Feb 13, 1973 STC ST527SOInstallation of inplane cargo system.Southern Air Transport, Inc · Feb 13, 1973 STC SA360SWConversion of Beech 50 for increase gross weight from 5,500 lbs to 6,000 lbs and replacing GO-435-C2 engines with GO-480-G2D6 or -G2F6 enginesExcalibur Aviation Company · Feb 12, 1973 STC SA1497SWInstallation of Sombra screen kitsSombra Corporation · Feb 9, 1973 STC SA2644WEInstallation of single point refueling system.Aircraft Tank Service Inc · Feb 7, 1973 STC SA1602SWCollins AP105 automatic flight control system with dual Sperry Stars flight directors.AiResearch Aivation Service Co · Feb 6, 1973 STC SA25NWInstallation of insect refrigeration release equipment.USDA · Feb 6, 1973 STC SA26NWInstallation of twine dispenser equipment.USDA · Feb 6, 1973 STC SA27NWInstallation of auxiliary crew seatUSDA · Feb 6, 1973 STC SA2645WEInstallation of dual Litton LTN-51 inertial navigation system.Western Commander, Inc · Feb 2, 1973 STC SA1600SWBattery isolation system.AiResearch Aivation Service Co · Jan 31, 1973 STC SA1601SWRay Electronics Model 7107 battery fault warning system.AiResearch Aivation Service Co · Jan 31, 1973 STC SA929EAInstallation of No. 2 battery isolation circuit.Atlantic Aviation Corporation · Jan 31, 1973 STC SA1003SWModification of 721B galley to 721B-1 galley and installation.Ward Intl Aircraft Services Inc · Jan 30, 1973 STC SA112SWInstallation of Short stack exhaust and nacelle enclosure.Ward Intl Aircraft Service · Jan 30, 1973 STC SA739SWInterior modification.Ward Intl Aircraft Services Inc · Jan 30, 1973 STC SA1577SWCollins FCS-105 automatic/flight director system with Sperry dual flight director system.AiResearch Aivation Service Co · Jan 26, 1973 STC SA716EAInstallation of Sonotone CA9 Nickel Cadmium batteries.Atlantic Aviation Corporation · Jan 23, 1973 STC SA1595SWInstallation of Transequip cargo handling equipment.Federal Express Corp · Jan 22, 1973 STC SA2635WEInstallation of forward fan thrust reverser bearings. (707-100B)Triumph Corporation · Jan 11, 1973 STC SA2294WEModification of nose wheel steering system.Lear Avia Corporation · Jan 8, 1973 STC SA2329WEInstallation of Microcom, Inc. Lear AFC-70 autopilot (previous modification per STC SA2228WE - Microcom, Inc. nose wheel steering modification required).Lear Avia Corporation · Jan 8, 1973 STC SA2373WEInstallation of Microcom, Inc. Lear altitude alerter system, Microcom P/N 800074.Lear Avia Corporation · Jan 8, 1973 STC SA14PCEngine control modificaiton including replacement of flexible controls with rigid mechanical linkage controls.Air America Inc · Jan 5, 1973 STC SA2575WEInstallation of observer station in rear seat-baggage compartment area, searchlight and dual speakers in bottom of aft fuselage, windows in baggage compartment area (baggage was removed), and a muffler. (172M NORMAL CATEGORY LANDPLANE ONLY)World Associates, Inc · Jan 4, 1973 STC SA2637WEInstallation of aft thrust reverser lower latch hook bearings.Triumph Corporation · Jan 3, 1973 STC SE694SWR-1830-94 crankcase sections.Page Industries, Inc · Jan 1, 1973 STC SA20NWInstallation of a Lycoming O-360-A1A engine and a Hartzell propellerLeach, Franklin E. · Dec 29, 1972 STC SA1575SWBattery isolation system.AiResearch Aivation Service Co · Dec 28, 1972 STC SA1576SWRay Electronics Model 7107 battery fault warning system.AiResearch Aivation Service Co · Dec 28, 1972 STC SH942EAInstallation of Tramm BTI-600 battery temperature indicating system.Atlantic Aviation Corporation · Dec 26, 1972 STC SA1530SWModify existing 3000 psi hydraulic system to 1000 psi hydraulic system.A D Howard Jr · Dec 23, 1972 STC SA586EAInstallation of Hartzell anti- overspeed kit.Hartzell Propeller, Inc · Dec 19, 1972 STC SA10GLInstallation of Gayston Model 800LG and 800SG static dischargers on transport category airplanes.Gayston Corporation · Dec 15, 1972 STC SA1569SWInstallation of battery temperature sensor warning system and optional battery isolation switching systemWard Intl Aircraft Services Inc · Dec 14, 1972 STC SA2622WEInstallation of Pratt & Whitney R-985-39, -39A, -AN-1, -AN-3, or -AN14BM1 engine and Hamilton Standard 2D30/6101A-15 or -21 propeller. (V-77 (ARMY AT-19) Landplane only, normal category)Serv-Aero Engineering Inc · Dec 13, 1972 STC SA704EAInstallation of Henry Engineering Company Galleys Models Nos. 14001 and 14002. (727-95)Delta Airlines Inc · Dec 8, 1972 STC SA311EAInstallation of Aerotherm Corp. Model 1003 stretcher. (707-321) (720-023B) (707-121)Pan American World Airways, Inc · Dec 5, 1972 STC SA1559SWInstallation of semi-automatic fuel trim system.BKM Company · Dec 4, 1972 STC SA839EAInstallation of Radome Kit P/N4009K-B for Bendix RDR-100 and RDR-110 systems - 12-inch antenna.Norton Company · Nov 29, 1972 STC SA2147WEInstallation of Brittain Industries B-7 flight control system.Brittain Industries Inc · Nov 20, 1972 STC SA1NEInstallation of McCauley1B90/ECM7151 propeller on aircraft equipped with Continental C85-12FHJ engine in accordance with Butterworth Report 1000 dated 9/13/72.Butterworth Gerald N · Nov 15, 1972 STC SE59WESERIAL NUMBER 11514 ONLY: Installation of modified Franklin Part No. 19182 dual magneto/vacuum pump drive.John W. German · Nov 13, 1972 STC SA1537SWInstallation of a galley.Ward Intl Aircraft Service · Nov 10, 1972