Douglas DC-4
STCs that may be installed · 40
In force first, then newest. The registry doesn’t record which STCs an aircraft has.
Query with SQL
duckdb -csv -c "SELECT s.stc_number, s.description, s.holder, s.status, s.status_date, m.matched_model
FROM (
SELECT stc_number, min(matched_model) AS matched_model
FROM 'https://openairdocs.org/data/latest/faa_aircraft_model_stc.parquet'
WHERE aircraft_model_code IN ('3021502')
GROUP BY stc_number
) m JOIN 'https://openairdocs.org/data/latest/faa_stc.parquet' s USING (stc_number)
ORDER BY 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 s.stc_number, s.description, s.holder, s.status, s.status_date, m.matched_model
FROM (
SELECT stc_number, min(matched_model) AS matched_model
FROM 'https://openairdocs.org/data/latest/faa_aircraft_model_stc.parquet'
WHERE aircraft_model_code IN ('3021502')
GROUP BY stc_number
) m JOIN 'https://openairdocs.org/data/latest/faa_stc.parquet' s USING (stc_number)
ORDER BY 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.
STC SA2622NMInstallation of Precise Flight Pulselite Control Unit in landing/taxi system. (767-200 B17) (DHC-8 101)STC SA863EAIncorporation of DME Corporation emergency evacuation slide lighting systemSTC SA4-492Installation of VIP P/N's 104-1-B and 104-1-C engine mount cores.STC SA02268CHInstallation of Airwolf Filter Corp. Air Oil SeparatorSTC SA01282NYInstallation of Airwolf remote mounted engine oil filter kit AFC-K015 on aircraft powered by Pratt & Whitney radial reciprocating engine Series R-985, R-1340 and R-1830.STC SA3254WENose wheel installation.STC SA3298WEBendix wheels and brakes installation.STC ST334CHInstallation of Superflite 102 fabric.STC SA4-84Fiber gasket 4233666 in cowl flap actuating cylinder replaced with AN 6227-20 O ring.STC SA1-115Installation of Chamberlain 1012 Series radomes.STC SA1-5072012X Series radomes.STC SA1365GLSurrendered and incorporated into STC ST334CH.STC SA5517NMLimited to installation on serial numbers 27314 and 42994 ONLY. Installation of a Class "E" cargo compartment, removal of carburetor fluid anti-icing systems, and removal of cabin combustion heater.STC SA3173WEInstallation of P&WA R-2000-6 engines in Douglas C54 airplanes.STC SA1351WEReplace existing fabric on wings, fuselage, empennage, and/or control surfaces, with Ceconite101 material. (262A Series -12)STC SA3423WEInstallation of 2000 gallon capacity external retardant tank under the fuselage at wing center sectionSTC SA3199WECargo handling system installation.STC SA1744WEInstallation of oil filter assemblies.STC SA196SOInstallation of Wright Military Cyclone R-2600-35 engines (as modified per STC SE610SO or R-2600-35 engines having WAD P/N 417916 or 424010 gear boxes).STC SA1117WEWing flap operated aural warning system.STC SA7SORadome and radar antennae mount provisions for up to 22-inch diameter antennae, RAC AVQ-10 or Bendix RDR-1 (X/C Band).STC SA108SOB-600-1 oil separator.STC SA4-1399Ceconite 101 covering of all fabric-covered surfaces.STC SA4-203Oil filter 1258-B86-C and element1258-OC on aircraft without UD3785 oil temperature regulator.STC SA4-204Oil filter 1258-B-86-D and element1258-OC on aircraft with UD3785 oil temperature regulator.STC SA4-317Auxiliary oil tank.STC SA4-365Emergency inpact light.STC SA4-372CO and smoke detection system in belly baggage compartments.STC SA4-414Emergency lighting.STC SA4-47Generator system changed from 100 ampere to 200 ampere.STC SA4-488Modification of bulkhead, Station 260.STC SA4-498Engine mount core assemblies.STC SA4-540C-O-Two smoke detector system in cargo pits.STC SA4-790C-O-Two smoke detector system in main cargo compartment and forward baggage compartment.STC SA4-843Cabin interior seating arrangement revised.STC SA4-9Interior arrangement for track mounted pay loader seat and new buffet.STC SA53SOB-500-1 oil separator.STC SA67SOSeat track.STC SA3-258C-O-Two visual smoke detector, Type A1-V, P/N 74800.STC SA1-140Cockpit heater and air intake and blower mounting.
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