N451LE

STCs that may be installed · 25

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 = '3300561'
      UNION ALL SELECT stc_number, 2, 'engine', matched_model FROM 'https://openairdocs.org/data/latest/faa_engine_model_stc.parquet' WHERE engine_model_code = '54189')
    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.

Airframe · Enstrom Helicopter 480B

STC SR02813CHFabrication of Isolair Innovator II Model 3900-480 Spray SystemIsolair Inc.STC SR04637CHReplacement of existing main ship battery with Lithium Ion Battery and installation of Annunciator Control PanelAirwolf Aerospace LLCSTC SR02120SEInstallation of Garmin GTN 6XX/7XX Navigation SystemGarmin International Inc.STC SR02704SEInstallation and maintenance of the Sunspot 36 and 46 series lightsAeroLED's Holdings LLCSTC SR01067DEInstallation of main battery replacement with Concorde Lead-Acid batteryConcorde Battery CorporationSTC SR03346CHInstallation of provisions for external equipmentCertex Aviation LLCSTC SR02124SEInstallation functionality. of Data Garmin Required: transponders: (1) Garmin GTX Master 345/345R Drawing with List ADS-B (MDL), Out and In 005-00734-A4, functionality;Garmin International IncSTC SR00359BOInstallation of Parmetheus Plus LED PAR36 and PAR46 taxi and landing lights.Whelen Aerospace TechnologiesSTC SR02487AKInstallation of L-3 Communications Avionics Systems ESI-500 Standby Instrument SystemADS-B Technologies, LLCSTC SR02470AKInstallation of the L-3 Communications NGT -1000/2000/2500 ADS-B SystemADS-B Technologies, LLCSTC SR02471AKInstallation of the L-3 Communications NGT -9000/9000R ADS-B SystemADS-B Technologies, LLCSTC SR03465CHInstall Airwolf Aerospace, LLC Tension-Torsion Strap Assemblies, P/N AA-ECD-084-280, or AA-ECD-084-480Airwolf Aerospace LLCSTC SR03520NYInstallation of Rotor Head CoverSpitfire Aerospace, LLCSTC SR03208CHInstallation of Lifeport, Inc. MedDeck Litter KitHelicopter Specialties, Inc.STC SR09643RCInstallation of the L3 AN/AR-154 TACAN System and Sandel SN3500 EHSI SystemHelicopter Specialties, Inc.STC SR02394AKReplacement of existing landing and/or hover light bulbs with Light Emitting Diode (LED) lighting systemSeaplanes North LLCSTC SR03353CHInstallation of Aspen Avionics Evolution Primary and Multi-Functional Flight DisplaysAspenSTC IncSTC SR02232LAInstallation of Garmin Model 400W / 500W Series GPS-WAAS Navigation SystemGarmin AT Inc.STC SR01430LAInstallation of Stainless Steel Skid shoes.Papas Gary Los Angeles Laboratories Inc.STC SA00061LAInstallation of JPI digital tachometer.J P InstrumentsSTC SA4302NMInstallation of Electronics Int'l digital automatic engine analyzer.Electronics International

Engine · Rolls-Royce 250-C20W

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