N133D
STCs that may be installed · 207
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 = '3021440'
UNION ALL SELECT stc_number, 2, 'engine', matched_model FROM 'https://openairdocs.org/data/latest/faa_engine_model_stc.parquet' WHERE engine_model_code = '52020')
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 = '3021440'
UNION ALL SELECT stc_number, 2, 'engine', matched_model FROM 'https://openairdocs.org/data/latest/faa_engine_model_stc.parquet' WHERE engine_model_code = '52020')
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 DC-3A-S1C3G
STC SA3-50Modification of Stewart-Warner Model 940-B24 heater installation.STC SA3-522Installation of a windshield carburetor propeller alcohol system.STC SA106CEInstall Hoskins Model F or B Wing Tip Lights and Model C or K Tail Lights, with or without two Model 1 or 2 Fuselage Lights.STC SA1315WEInstallation of Mixture Monitor (exhaust gas temperature probe, gage and selector) in accordance with Delta Products Part Lists A-192 and A-193, or in accordance with Tri-Star Corporation Mixture Monitor Installation Instructions dated December 9, 1981, or later FAA approved revision and/or Drawing List MM-127 dated November 15, 1981, or later FAA approved revision in aircraft models listed in Master Eligibility List P-80-A-6 revised March 29, 1968, copy attached, or later FAA approved revision.STC SA1-49Installation of cockpit jump seat.STC ST00165DEInstallation Of Oilamatic Preoiler system.STC ST00456DEInstallation of smokejumper side-facing restraint benches. STC SA4840NM must be installed prior. Limited to restraint bench s/n's 001 thru 030. STC SA4840NM must be installed.STC SA8075SWInstallation of fiberglass covering. (M-62 SERIES PT-19) (G-73 SCHWEIZER)STC SA1008WEInstallation of Poly-Fiber covering material.STC SA3-425Installation of one-piece windshield, electrically heated or bird-proof.STC SA2-491Aircraft fuselage modified to incorporate enlarged windows.STC SA02168AKInstallation of hourmeter airspeed switch. For unpressurized aircraft only. Pressurized aircraft must have pressurization system deactivated.STC SA18SWInstallation of carburetor adapter.STC SA2-1071Manufacture of alcohol under wing to fuselage fillet tanks, P/N 352581, to replace Douglas alcohol tanks P/N 5161344 or 5188619, and mounting bracket P/N 352573 replacing the Douglas brackets P/N 5161873-46, -48, -52, -54 and Douglas P/N 4161884 and 4161882.STC SA2-148Install aft baggage compartment support structure.STC SA2-193Rework exhaust system.STC SA2-282The exhaust tail pipe installed.STC SA2-51A 200 amp generator system installationSTC SA2-524Installation of R&L cockpit window.STC SA2-56The landing light mounting in each outer wing panel leading edge alteredSTC SA2-639Installation of Surface Combustion Heater, P/N A97A28 and related equipment.STC SA2-664Structural modification to nacelle aft of firewall to eliminate the exhaust trough cut out.STC SA2-708Installation of 200 amp generator system with over voltage control.STC SA2-84Fuselage structure modified R & L side to incorporate enlarged windows.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 SA2-7Installation of heater and 200-ampere generator. Approved for installation on serial number 6313 ONLY.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 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 SA1734GLInstallation of freon air conditioning system.STC SA1756GLInstall cargo winch system.STC ST173CHInstallation of cockpit blower system. (DC-3 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 SA177SOInstallation of fabric attachment clips.STC SA3487SW-DInstallation of Century automatic flight system model Ak990 consisting of a Century 41 Autopilot/flight director with yaw damperSTC ST746SOInstallation of short engine exhaust stacks.STC SA1158WEInstallation of AVQ-75 distance measuring equipment.