N856KB

STCs that may be installed · 254

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 = '3021458')
    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.

Airframe · Douglas DC3C-S1C3G

STC SA2-98Installation of 300 amp generator system.Signature Flight Support CorporationSTC SA247SWInstallation of Bendix Avia. Corp. (Eclipse-Pioneer) fuel flow system, transmitter 9100-5, indicator 6300 (100-1000 lbs. per hour).Signature Flight Support CorporationSTC SA474SWInstallation of chairs and floor structure.Signature Flight Support CorporationSTC SA604SWInstallation of fuel flow system.Signature Flight Support CorporationSTC SA68SWInstalled a positive stop in the rudder system.Signature Flight Support CorporationSTC SA2-194Installation of Collins AP-101 autopilot.Rockwell Collins IncSTC ST00372DEInstallation of smokejumper equipment (Primary Cable Anchor Assembly, Horizontal Tether Anchor Assembly, Cargo Floor Anchor Assembly, Jump Door Handrail and Communications Guard Assembly).Missoula Technology & Development Center · Lists DC-3 SeriesSTC ST566CHInstallation of an AlliedSignal/Sundstrand Mark VI ground proximity warning system (GPWS).ElectroSonics Div of AiRadio CorporationSTC ST554CHInstall placards in cabin.Rhoades Aviation Inc · Lists DC-3 SeriesSTC SA2-926Installation of Fiberglass covering.Razorback Fabrics IncSTC SA00250LAInstallation of Pratt & Whitney R1830-92 or R1830-90D engines in pairs or intermixed. (DC-3 Series N2298C S/N 33201)Catalina Flying Boats Inc · Lists DC-3 SeriesSTC SA16PCOne Only STC, SN 18949, N99131: Installation of Wright R-1820-G202A engines and Hamilton Standard propellers(23E50 Hub with 6353-18 blades).Island Air Transfer · Lists DC-3C SeriesSTC ST302CHInstallation of flight crew restraints.Basler Turbo Conversions Inc. · Lists DC-3C SeriesSTC ST294CHLimit maximum payload capacity to7500 lbs. maximum.Basler Turbo Conversions Inc.STC SA1253GLInstall auxiliary cargo door.Basler Turbo Conversions Inc.STC ST144CHLimit maximum payload capacity to 7500 lbs. maximum. (DC-3C SERIES STC SA 4840NM is required for this mod.)Basler Flight Service Inc · Lists DC-3C SeriesSTC ST173CHInstallation of cockpit blower system. (DC-3 SERIES -TP67 turbine conversion per STC SA 4840NM)Basler Turbo Conversions Inc. · Lists DC-3 SeriesSTC ST8CHInstallation of supplemental oxygen system. (DC-3C SERIES -TP67 turbine conversion per STC SA 4840NM)Basler Turbo Conversions Inc. · Lists DC-3C SeriesSTC ST00094DEInstallation of a Sundstrand digital flight data recorder. (DC-3 SERIES TP67)Stevens Aviation Inc · Lists DC-3 SeriesSTC ST00095DEInstallation of a Sundstrand MK-VI ground proximity warning system. (DC-3 SERIES TP67)Stevens Aviation Inc · Lists DC-3 SeriesSTC SA4-1091Panorama windows.Atlantic Aeroengineering Ltd · Lists DC-3 SeriesSTC SA4-1099Panorama picture window.Atlantic Aeroengineering Ltd · Lists DC-3 SeriesSTC SA4-767Raised and panorama windows.Atlantic Aeroengineering Ltd · Lists DC-3C SeriesSTC SA1485CEInstallation of fire extinguisher system for the engines and/or cabin heater and/or aft fuselage baggage compartment.Advanced Aircraft Extinguishers LtdSTC 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 crewRhoades Aviation IncSTC ST140RMInstallation of internal spray tank and wing booms.Ruhe Sales, Inc · Lists DC-3C SeriesSTC SA3125SOInstallation of a custom interior for a new concept DC-3C, Type II aircraft.ISRMS, IncSTC SA177SOInstallation of fabric attachment clips.Arbor Company · Lists DC-3 SeriesSTC SA1158SOInstallation of Silver Instrument Fueltron fuel flow systemArnav Systems IncSTC SA1585GLInstallation of a Shadin engine trend monitor system.Shadin Company, Inc · Lists DC-3C SeriesSTC SA1548GLInstallation of Sundstrannd ground proximity warning system.Basler Flight Service Inc · Lists DC-3C SeriesSTC ST746SOInstallation of short engine exhaust stacks.Tradewinds Aircraft Supply, Inc.STC SA3896SWInstallation of a Century Flight Systems Inc Model AK971, integrated flight control system.Century Flight Systems IncSTC SA3880NMInstallation of aerial spray system. (DC-3C SERIES Restricted)Hawkins & Powers Avn Inc · Lists DC-3C SeriesSTC SA1158WEInstallation of AVQ-75 distance measuring equipment.Northwest Airlines, Inc. · Lists DC-3 SeriesSTC SA4-327Installation of hydraulic main cabin door lift adapted for use on both Temco and Metropolitan air stair doors.Northwest Airlines, Inc · Lists DC-3C SeriesSTC SA4-389Installation of cabin emergency lighting.Northwest Airlines Inc. · Lists DC-3C SeriesSTC SA929WEInstallation of wing flap landing gear aural warning installation.Northwest Airlines, Inc. · Lists DC-3 SeriesSTC SA894GLTo permit all cargo operations.Century Airlines, Inc · Lists DC-3C SeriesSTC SA1045GLInstallation of Shadin fuel flow indicating system.Shadin Company IncSTC SA2946NMIncrease in the zero fuel weight by 50 poundsSalair IncSTC SA2947NMIncrease in the zero fuel weight by 50 poundsSalair IncSTC SA2948NMIncrease in the zero fuel weight by 50 poundsSalair IncSTC SA1991CEOperation on leaded and/or unleaded automotive gasoline.Petersen Aviation IncSTC SA2618NMIncrease in the zero fuel weight by 50 poundsSalair IncSTC SA1351WEReplace existing fabric on wings, fuselage, empennage, and/or control surfaces, with Ceconite101 material. (262A Series -12)Ceconite IncSTC SA2119NMInstallation of a winch and battery systemSalair IncSTC SA3-302Installation of Janitrol Series S-200 heater.Butler Aviation - O'Hare, Inc · Lists DC-3 SeriesSTC SA3-469Installation of 200-ampere generator system in aircraft with Pratt & Whitney R-1830-75 and R-1830-94 engines.Butler Aviation - O'Hare, Inc · Lists DC-3C SeriesSTC SA1495NMInstallation of a winch and battery systemSalair Inc
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