N3291
STCs that may be installed · 202
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 = '3021454'
UNION ALL SELECT stc_number, 2, 'engine', matched_model FROM 'https://openairdocs.org/data/latest/faa_engine_model_stc.parquet' WHERE engine_model_code = '51627')
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 = '3021454'
UNION ALL SELECT stc_number, 2, 'engine', matched_model FROM 'https://openairdocs.org/data/latest/faa_engine_model_stc.parquet' WHERE engine_model_code = '51627')
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 DC3A-S4C4G
STC SA2622NMInstallation of Precise Flight Pulselite Control Unit in landing/taxi system. (767-200 B17) (DHC-8 101)STC SA7965SWApplication of fabric and polyurethane finishing system.STC ST03318CHInstallation of an EO/IR SystemSTC SA02268CHInstallation of Airwolf Filter Corp. Air Oil SeparatorSTC SA5190NMInstallation of Gustin Aviation chip detector light system.STC SA3-307Installation of 145-gallon fuel tanks. Installation of 252-gallon fuel tanks.STC ST00347BOModification to upgrade a BendixKing CAS 67A TCAS II system to CAS 67B TCAS II Change 7.1STC ST04222CHInstallation of a Garmin Traffic Collision Avoidance System (TCAS) II with ADS-B Out CapabilitySTC ST04223CHInstallation of Provisions for a Light Detection and Ranging (LIDAR) SystemSTC ST04262CHInstall placarding to restrict total payload to a maximum of six thousand pounds (6,000 lbs)STC ST04268CHInstallation of an Ultra-Wide band (UWB) Fuselage Antenna ArraySTC 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 SA211CEA.P.U. Installation - Ranger Andover Model V-32D-2-1.STC SA3-15Installation of wheel well enclosure doors.STC SA3-422Installation of bird resistant windshield.STC SA3-434Picture window installation and standard window modification.STC SA3-461Installation of electrically driven emergency hydraulic pump.STC SA3-52Radome installation.STC SA3-78Alternate Tee-Bolt radome attachment for STC SA3-52 radome installation.STC ST04261CHInstallation of a Gear Latch & Ground Shift systemSTC SA4-220Installation of tail wheel cover and fairingSTC ST03295CHInstallation of a Traffic Collision Avoidance (TCAS II) SystemSTC ST03296CHInstallation of a Digital Flight Data Recorder (DFDR) SystemSTC SA4-228Main landing gear doors, actuating system, main landing gear assist bungee, oil cooler fairing and oil cooler fixed section for aircraft with Pratt & Whitney R-1830-75, -92 or -94 engines.STC SA4-230Installation of aileron gap closureSTC SA4148WEInstallation of a Flap and Landing Gear Aural Warning SystemSTC SA02930NYInstallation of Insight Instrument Corporation Graphic Engine Monitor (GEM 610C) models G3, G2, and G1 and 1200C model G4 as primary Cylinder Head Temperature (CHT), Exhaust Gas Temperature (EGT), and Turbine Inlet Temperature (TIT) InstrumentsSTC ST334CHInstallation of Superflite 102 fabric.STC SA1CEWeather Radar Installation.STC SA3-141Installation of dual Stewart-Warner Model 940-B24 cabin heaters.STC SA3-142Installation of Stewart-Warner Model 940-B24 cabin heater.STC SA3-173Installation of vacuum pump and vacuum system.STC SA3-240Standard installation - swivel chair assembly.STC SA3-25Installation of short exhaust stack (simplified version).STC SA3-271Installation of RCA Model AVQ-50 radar.STC SA3-272Standard seat track installation for SK10187 swivel seat.STC SA3-282Installation of Generator over-heat temperature indicator system.STC SA3-294Installation of airstep door safety chair and release mechanism.STC SA3-337Nacelle modification and installation of short exhaust stacks.STC SA3-392Passenger seat installation.STC SA3-426Engine Fire Control Zones, Fire Detector Installation, Dual Fire Bottle Installation, Oil Cooler Installation, and Propeller Feathering System.STC SA3-429Typical installation of Burns Aero seat.STC SA3-445Installation of AiResearch oil cooler.STC SA3-448Installation of Cockpit side windows.STC SA3-450Passenger seat and track installation.STC SA3-498Three-place divan assembly and installation.STC SA3-50Modification of Stewart-Warner Model 940-B24 heater installation.STC SA3-522Installation of a windshield carburetor propeller alcohol system.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.