Supplemental type certificates
49,120 STCs, most recently changed first. Search by what an STC changes, its holder or a model.
Query with SQL
duckdb -csv -c "SELECT stc_number, description, holder, status, status_date FROM 'https://openairdocs.org/data/latest/faa_stc.parquet' ORDER BY status_date DESC NULLS LAST, 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 stc_number, description, holder, status, status_date FROM 'https://openairdocs.org/data/latest/faa_stc.parquet' ORDER BY status_date DESC NULLS LAST, stc_number
Run 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 SA241NWInstallation of a Lycoming O-360-A1A engine and Hartzell C2YK-1B/7666A-2 propellerSTC SA2741NWInstallation of a Lycoming O-360-A1A engine and Hartzell C2YK-1B/7666A-2 propellerSTC SA568ALInstallation of a winterization kit. (Normal Category ONLY)STC SA3099WEModification of cargo door and cargo floor and removal of cabin pressurization.STC SA179NWInstallation of flap gap sealsSTC SA238NWInstallation of Madras Air Service super tips.STC SA569ALInstallation Collins FPC-75 ground proximity warning system.STC ST870SOInstallation of Collins FPC 75 ground proximity warning system.STC ST749SOInstallation of plug type metal panels to replace the original clear plastic main cabin windows.STC ST750SOInstallation of main cabin cargo crash barrier bulkhead.STC SA1181CEInstallation of air conditioning system, normal category.STC SA1266WEInstallation of rain repellant system.STC SA3007WEInstallation of cargo pallet assembly, P/N 31250-521. (747SP SERIES -123) (747-238B)STC SA3114WEInstallation of flap slot closure, S/N 20690 only (N2538D)STC ST857SOInstallation of Bendix ground proximity warning system.STC SA236NWInstallation of a Hartzell HC-C2YL-1B/F7663-4 propeller; a Woodward 210452 Governor, with a Lycoming drive adapter; a Piper PA18-150 muffler and heat muff; and a modified firewallSTC SA2809WEInstallation of AiResearch TPE331-2UA-203D engines, increase in fuselage length.STC SA96GLInstallation of Collins FPC-590A ground proximity warning system.STC SA97GLInstallation of Collins FPC-75/590A ground proximity warning system.STC ST868SORemoval of main cabin door. (Lockheed 18 -56)STC ST867SOInstallation of Bendix ground proximity warning system.STC SA4-216Picture window.STC SA4-217Main cabin floor structure.STC SA4-397Structural installation of flight line 24 P-001 seat.STC SA4-69Lockheed Model 18 modified to Learstar Mark II configuration.STC SA4-72Radar nose for Bendix C-Band, Bendix X-Band, or RCA C-Band.STC SA1174CEInstallation of Aero Space Controls Corp. 100 AMP alternator.STC SA1175CEInstallation of Aero Space Controls Corp. air conditioning system.STC SA11NEInstallation of laser sensor system.STC SA177NWInstallation of container rack and six accompanying containers in the forward right-hand coat closetSTC SA3098WEStructural modifications. (188A s/n 1035 and up)STC SA227NWRemoval of throttle, propeller, and mixture controls from the instrument panel and installation of these controls in an overhead panelSTC SA284ALInstallation of Hartzell propeller with Woodward 2100-80-RS governor.STC SA226NWInstallation of a McCauley 1A175/GM8244 propeller on a Lycoming O-290-D engineSTC SA91GLInstallation of radio altimeter antenna opening and radio rack.STC SA3103WERemoval of left-hand cargo doors to permit aircraft to engage in special operations, i.e. parachute jumping, aerial photography, etc.STC SE76WESerial Number 53056-3 ONLY: Installation of two seal locking pins in the oil transfer collar in accordance with Yehnert Helicopter Drawing YH1049.STC SA3059WEMaximum landing weight substantiated to 98,102 pounds(from 95,650 pounds). (188A s/n 1035 and up)STC SA170NWInstallation of bulk fluid cargo tankSTC SA229NWInstallation of 82 passenger configurationSTC ST856SOInstallation of Bendix ground proximity warning system.STC SA1168CEInstallation of Collins Radio Group AP-107, 3 axis, autopilot system and interface with Collins 329A-4V indicator. Serials 301 and subsequent.STC ST858SOInstallation of Bendix ground proximity warning system.STC SA18PCOne Only STC, NA-265-40, Operated by FAA only. Installation of Collins Radio Company Model MC-103 Compass SystemSTC SH2264SWAlternate main gear box shaft input seal.STC SA222NWInstallation of nose bumper.STC SA3075WEInstallation of Garrett AirNav 100 area navigation system.STC ST855SOInstallation of Bendix ground proximity warning system. (727-232)STC SE1516CEModification of lower fuel control box assembly to incorporate vibration isolators.STC SA220NWInstallation of a Sorensen 151 Gallon Spray Pod (less spray equipment) for use as either a cargo or electronic equipment carrier