N121SC
STCs that may be installed · 409
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 = '1151004'
UNION ALL SELECT stc_number, 2, 'engine', matched_model FROM 'https://openairdocs.org/data/latest/faa_engine_model_stc.parquet' WHERE engine_model_code = '52008')
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 = '1151004'
UNION ALL SELECT stc_number, 2, 'engine', matched_model FROM 'https://openairdocs.org/data/latest/faa_engine_model_stc.parquet' WHERE engine_model_code = '52008')
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 · Beech D18S
STC SA01800SEFabrication and installation of new or replacement of existing instrument panel lights dimmer control.STC SA01861SEFabrication and installation of Landing Light ControllerSTC SA04837NYInstallation of AeroLED's Holdings, LLC., position lights, navigation lights, strobe lights and beacon lightsSTC SA04652CHTo allow use of 100R grade aviation fuel meeting Swift Fuel, LLC specificationSTC SA02019SE-DInstallation of Garmin Model GTN 625/635/650; 725/750 Navigation SystemSTC SA02738CHInstallation of L-3 Communications Avionics SystemsSTC SA04046CH PAGE 1Installation of L-3 GENESIS (TM) Electronic Standby Instrument System (ESI-500/MAG-500)STC SA7965SWApplication of fabric and polyurethane finishing system.STC SA01240SEInstallation of secondary voltage indication systemSTC SA02658SEInstallation of Garmin GI 275 Multi-Function Display SystemSTC SA02571SEInstallation of Garmin G500/G600 TXi Integrated Avionics System (Primary Flight Display, Multi-Function Display, and Engine Indicating System Display).STC SA02532ATInstallation of subject Michelin tires on appropriate aircraft. For Michelin 5, 6, 8, and 10-inch rim diameter tires on General Aviation Aircraft.STC SA1222GLReplace existing main wheels and brakes with Cleveland 40-211/30-170.STC SA788GLInstallation of Cleveland wheels and brakes conversion kit #199-127.STC SA829GLInstallation of Cleveland wheels and brakes conversion kit No. 199-129.STC SA01967WIUse of GAMI G100UL High Octane Unleaded AvgasSTC SA02254AKInstallation of "Single Screen", "2 or 3 Screen", "Dual Screen", or "4 or 6 screen"STC SA04776NYThe HIPEC Covering and Finishing System must be performed and maintainedSTC SA02444AKApproval of the L-3 Communications NGT 9000/9000R ADS-B system installedSTC SA11174SC PAGE 1Installation of BendixKing by Honeywell KSN 770 and KSN 765 WAAS LPV approach capable nav/comm systemsSTC SA02265SEInstallation of a camera housingSTC SA02430SEFabrication and installation of a camera housingSTC SA10236SCInstallation of a GDC 31 Roll Steering ConverterSTC SA5190NMInstallation of Gustin Aviation chip detector light system.STC SA01714WIInstallation of a Garmin transponders: (a) GTX 330/330D/33/33D with ADS-B Out functionality; (b) GTX 335/335R/345/345R with ADS-B Out and In functionality; or (c) GTX 335R/345R with ADS-B Out functionality in select airplanes installed with G950/G1000 systems.STC SA00344BO PAGE 1Installation of Parmetheus Plus LED PAR36 and PAR46 taxi and landing lights.STC SA377NWInstallation of Hartzell HC-B3W30-2E/W10160R-6 and/or W10160-6 propellers, governors, and spinners on Pratt and Whitney R-985 series enginesSTC SA02153LA-D PAGE 1Installation of Garmin G600 Primary Flight Display (PFD) and Multifunction Display (MFD) SystemSTC SA02503AKInstallation of AMSAFE State of the Art Restraint System (SOARS) inflatable restraintsSTC SA02013CHInstallation of Avidyne Corporation Traffic Advisory System (TAS)STC SA01828SEInstallation of J.P. Instruments (JPI) EDM-960 Primary Engine Data Management SystemSTC SA6070NMInstallation of a 'quick-disconnect drain plug' on the engine rocker sump for the oil drain retrieval system after engine shutdown.STC 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 SA01933LA-DInstallation of Garmin Model 400W / 500W Series GPS-WAAS Navigation SystemSTC SA02212AKReplacement of existing landing and/or taxi light reflector and bulbs with high intensity discharge (HID) lighting systemsSTC SA2586NMInstallation of J.P. Instruments temperature monitoring systems.STC SA02428SEInstallation of an Air Stream Switch for an electric time recording device on non-pressurized aircraftSTC SA00343BOInstallation of a single configuration or a dual configuration Avidyne Corporation Integrated Flight Display, Model IFD540 loaded with Release 10.0 software (or later FAA approved release)STC SA00352BO PAGE 1Installation of an Avidyne Corporation Mode A/C/S Transponder with ADS-B Out capability, Model AXP340 loaded with Version 3.13 software (or later FAA approved version),STC SA00944CHReplace Janitrol combustion heater Model 81D94-X (XX) with C&D Associates combustion heater Model CD25K, CD35K, and CD45KSTC SA02119SE PAGE 1Installation of Garmin GDL 88 ADS-B UAT Transceiver SystemSTC SA00478CHInstallation of Cooper Superflite 102 Fabric.STC SA01229SE PAGE 2Installation of GNS 480 (CNX80) GPS WAAS Navigator with integrated VHF Navigation and Communication radiosSTC SA02442AK PAGE 1Approval of the L-3 Communications NGT 2000/2500 ADS-B systemSTC SA01933LA-D PAGE 1Installation of Garmin Model 400W / 500W Series GPS-WAAS Navigation
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 SA00269BOInstallation of Avidyne Corporation TWX 670 Tactical Weather Detection System P/N 850-00026-000-( ) consisting of Avidyne Processor P/N 700-00033-000-( ), Sensor Systems Inc. Antenna P/N S72-1715-1 with doubler plate P/N S72-171530-1, and Avidyne Mounting Tray P/N 700-00034-000.STC SA3-134Installation of electric fuel boost pumps.STC SA3-252Radome installation.STC SA3-86RCA AVQ-50 radar antenna mount installation