N941AT
STCs that may be installed · 305
Approved for this aircraft’s airframe or engine model. The registry doesn’t record which STCs an aircraft has; its records do. In force first, then newest.
Query with SQL
duckdb -csv -c "SELECT m.matched_by, s.stc_number, s.description, s.holder, s.status, s.status_date, m.matched_model
FROM (
SELECT stc_number, min(side) AS side, arg_min(matched_by, side) AS matched_by, arg_min(matched_model, side) AS matched_model
FROM (SELECT stc_number, 1 AS side, 'airframe' AS matched_by, matched_model FROM 'https://openairdocs.org/data/latest/faa_aircraft_model_stc.parquet' WHERE aircraft_model_code = '3021460'
UNION ALL SELECT stc_number, 2, 'engine', matched_model FROM 'https://openairdocs.org/data/latest/faa_engine_model_stc.parquet' WHERE engine_model_code = '52034')
GROUP BY stc_number
) m JOIN 'https://openairdocs.org/data/latest/faa_stc.parquet' s USING (stc_number)
ORDER BY m.side, 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.
SELECT m.matched_by, s.stc_number, s.description, s.holder, s.status, s.status_date, m.matched_model
FROM (
SELECT stc_number, min(side) AS side, arg_min(matched_by, side) AS matched_by, arg_min(matched_model, side) AS matched_model
FROM (SELECT stc_number, 1 AS side, 'airframe' AS matched_by, matched_model FROM 'https://openairdocs.org/data/latest/faa_aircraft_model_stc.parquet' WHERE aircraft_model_code = '3021460'
UNION ALL SELECT stc_number, 2, 'engine', matched_model FROM 'https://openairdocs.org/data/latest/faa_engine_model_stc.parquet' WHERE engine_model_code = '52034')
GROUP BY stc_number
) m JOIN 'https://openairdocs.org/data/latest/faa_stc.parquet' s USING (stc_number)
ORDER BY m.side, s.status = 'Current' DESC, s.status_date DESC, s.stc_numberRun 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.
Airframe · Douglas DC3C-S4C4G
STC SA2-868Installation of camera hole cut out in lower fuselage structure.STC SA2-98Installation of 300 amp generator system.STC SA247SWInstallation of Bendix Avia. Corp. (Eclipse-Pioneer) fuel flow system, transmitter 9100-5, indicator 6300 (100-1000 lbs. per hour).STC SA474SWInstallation of chairs and floor structure.STC SA604SWInstallation of fuel flow system.STC SA68SWInstalled a positive stop in the rudder system.STC SA2-194Installation of Collins AP-101 autopilot.STC ST00372DEInstallation of smokejumper equipment (Primary Cable Anchor Assembly, Horizontal Tether Anchor Assembly, Cargo Floor Anchor Assembly, Jump Door Handrail and Communications Guard Assembly).STC ST566CHInstallation of an AlliedSignal/Sundstrand Mark VI ground proximity warning system (GPWS).STC ST554CHInstall placards in cabin.STC SA2-926Installation of Fiberglass covering.STC SA00250LAInstallation of Pratt & Whitney R1830-92 or R1830-90D engines in pairs or intermixed. (DC-3 Series N2298C S/N 33201)STC SA16PCOne Only STC, SN 18949, N99131: Installation of Wright R-1820-G202A engines and Hamilton Standard propellers(23E50 Hub with 6353-18 blades).STC ST302CHInstallation of flight crew restraints.STC ST294CHLimit maximum payload capacity to7500 lbs. maximum.STC ST144CHLimit maximum payload capacity to 7500 lbs. maximum. (DC-3C SERIES STC SA 4840NM is required for this mod.)STC ST173CHInstallation of cockpit blower system. (DC-3 SERIES -TP67 turbine conversion per STC SA 4840NM)STC ST8CHInstallation of supplemental oxygen system. (DC-3C SERIES -TP67 turbine conversion per STC SA 4840NM)STC SA996GLInstall aluminum skin on control surfaces.STC ST00094DEInstallation of a Sundstrand digital flight data recorder. (DC-3 SERIES TP67)STC ST00095DEInstallation of a Sundstrand MK-VI ground proximity warning system. (DC-3 SERIES TP67)STC SA4-1091Panorama windows.STC SA4-1099Panorama picture window.STC SA4-767Raised and panorama windows.STC SA1485CEInstallation of fire extinguisher system for the engines and/or cabin heater and/or aft fuselage baggage compartment.STC SA1771GLInstall the following placards in the cabin, in compartment J, directly opposite of the forward cargo door in full view of passengers and/or loading crewSTC ST140RMInstallation of internal spray tank and wing booms.STC SA177SOInstallation of fabric attachment clips.STC SA1158SOInstallation of Silver Instrument Fueltron fuel flow systemSTC SA1585GLInstallation of a Shadin engine trend monitor system.STC SA1548GLInstallation of Sundstrannd ground proximity warning system.STC ST746SOInstallation of short engine exhaust stacks.STC SA3896SWInstallation of a Century Flight Systems Inc Model AK971, integrated flight control system.STC SA3880NMInstallation of aerial spray system. (DC-3C SERIES Restricted)STC SA1158WEInstallation of AVQ-75 distance measuring equipment.STC SA4-327Installation of hydraulic main cabin door lift adapted for use on both Temco and Metropolitan air stair doors.STC SA4-389Installation of cabin emergency lighting.STC SA929WEInstallation of wing flap landing gear aural warning installation.STC SA894GLTo permit all cargo operations.STC SA1045GLInstallation of Shadin fuel flow indicating system.STC SA1991CEOperation on leaded and/or unleaded automotive gasoline.STC SA1351WEReplace existing fabric on wings, fuselage, empennage, and/or control surfaces, with Ceconite101 material. (262A Series -12)STC SA3-302Installation of Janitrol Series S-200 heater.STC SA3-469Installation of 200-ampere generator system in aircraft with Pratt & Whitney R-1830-75 and R-1830-94 engines.STC SA37PCONE ONLY STC, SN 4926: Modification of floor decking and cabin interior; addition of seat tracks, right side emergency exit windows, flight equipment and engineering corp seats, and Beltmaster's seatbelts.STC SA4-1210Installation of Eonnex cover on aircraft surfaces.STC SA1066EAModification of cabin to all cargo configuration.STC SA1-324Installation of autosyn fuel flow- meter transmitter (Eclipse Type9054-5A).STC SA1-54Replacement of auxiliary hydraulic hand pump with 24 volt electrically driven gear type hydraulic pump.STC SA315NWInstallation of Aero-Dyne P/N ADC-1-76-3 hold open device in McDonnell Douglas P/N 5113191 emergency exit window.