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.
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_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 · Enstrom Helicopter 480B
STC SR02813CHFabrication of Isolair Innovator II Model 3900-480 Spray SystemSTC SR04637CHReplacement of existing main ship battery with Lithium Ion Battery and installation of Annunciator Control
PanelSTC SR02120SEInstallation of Garmin GTN 6XX/7XX Navigation SystemSTC SR02704SEInstallation and maintenance of the Sunspot 36 and 46 series lightsSTC SR01067DEInstallation of main battery replacement with Concorde Lead-Acid batterySTC SR03346CHInstallation of provisions for external equipmentSTC 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;STC SR00359BOInstallation of Parmetheus Plus LED PAR36 and PAR46 taxi and landing lights.STC SR02487AKInstallation of L-3 Communications Avionics Systems ESI-500 Standby Instrument SystemSTC SR02470AKInstallation of the L-3 Communications NGT -1000/2000/2500 ADS-B SystemSTC SR02471AKInstallation of the L-3 Communications NGT -9000/9000R ADS-B SystemSTC SR03465CHInstall Airwolf Aerospace, LLC Tension-Torsion Strap Assemblies, P/N AA-ECD-084-280, or AA-ECD-084-480STC SR03520NYInstallation of Rotor Head CoverSTC SR03208CHInstallation of Lifeport, Inc. MedDeck Litter KitSTC SR09643RCInstallation of the L3 AN/AR-154 TACAN System and Sandel SN3500 EHSI SystemSTC SR02394AKReplacement of existing landing and/or hover light bulbs with Light Emitting Diode (LED) lighting systemSTC SR03353CHInstallation of Aspen Avionics Evolution Primary and Multi-Functional Flight DisplaysSTC SR02232LAInstallation of Garmin Model 400W / 500W Series GPS-WAAS Navigation SystemSTC SR01430LAInstallation of Stainless Steel Skid shoes.STC SA00061LAInstallation of JPI digital tachometer.STC SA4302NMInstallation of Electronics Int'l digital automatic engine analyzer.
Engine · Rolls-Royce 250-C20W
STC SE5511NMInstallation of compressor discharge pressue (PC) valve.STC SE00014ENInstallation of the Pratt & Whitney Engine Services, Inc. CrossCheck Engine Monitor Kit P/N HUMS-K-071-1, Rev. A on the specified PT6A engine models and kit P/N HUMS-K-071-2 on the specified A250 engine models.STC SE00027ENInstallation of Pratt & Whitney Engine Services Inc. Intellistart plus electronic control unit (ECU), P/N DPU-K-010 on the specified 250 engine models.STC ST00037ATUnison igniter plugs, P/N 9044400-1.