N90487
STCs that may be installed · 51
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 = '4360128'
UNION ALL SELECT stc_number, 2, 'engine', matched_model FROM 'https://openairdocs.org/data/latest/faa_engine_model_stc.parquet' WHERE engine_model_code = '41534')
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 = '4360128'
UNION ALL SELECT stc_number, 2, 'engine', matched_model FROM 'https://openairdocs.org/data/latest/faa_engine_model_stc.parquet' WHERE engine_model_code = '41534')
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 · Hiller UH-12L4
STC SH3319NMInstallation of Precise Flight Pulselite Control Unit in the
Landing /Taxi Recognition Visual Control Light system,STC SR02704SEInstallation and maintenance of the Sunspot 36 and 46 series lightsSTC SR00359BOInstallation of Parmetheus Plus LED PAR36 and PAR46 taxi and landing lights.STC SR00420NYInstallation of Airwolf remote mounted engine oil filter Model AFC-600STC SR02394AKReplacement of existing landing and/or hover light bulbs with Light Emitting Diode (LED) lighting systemSTC SA00068SEInstallation of fuel flow/pressure instruments. (W/TSIO-360-MB1)STC SA2693NMInstallation of Electronics International digital volt/amp gauges and accessories.STC SA02033ATModification to install an air-oil separator to prevent oil from being aspirated from the engine breather line.STC SA00680SEInstallation of Electronics International model UBG-16 or UBG-16T bar graph engine analyzer.STC SA02520ATInstallation of M-20 Oil Separator, model 600-WP.STC SA2687NMInstallation of Truboplus/ Electronics Int'l gauges and switches.STC SA1626NM PAGE 1Installation of Electronics Int'l Digital EGT/CHT Instruments and accessories. (201 Series)STC SA2350NM PAGE 1Installation of Electronics International Inc digital carburetor/outside air temperature gaugesSTC SA4302NMInstallation of Electronics Int'l digital automatic engine analyzer.STC SA3862NM PAGE 1Installation of Electronics International Primary TIT/EGT/CHT instruments, remote switches and associated accessories.STC SH3362NMInstallation of a Tail Rotor Blade Protective CoatingSTC SA2190NM PAGE 1Installation of electronics International Digital Volt/Amp Gauges and Accessories.STC SH618NWInstallation of the Onboard Weighing System Adapter No. 1500, for use with Eastern Rotorcraft Cargo Hook No 2A15ESTC SH165NWInstallation of Model 1620 and 1621 aerial seeders systems.STC SH446EAInstallation of Franklin engine Model 6V-350B in Fairchild Hiller UH-12A helicopter.STC SH1-457Aircooler Motors 6VS-335B turbo-supercharged engine (derated).STC SH160ALAirborne control survey system.STC SH32WEFabricate and install jump-step.STC SH4-1101Aerofilter 30690B with element1A0286.STC SH4-178Curved control stick.STC SH52WEHigh volume fifty foot spray boom kit.STC SH77ALTundra snow shoes.STC SH9ALAirglas tundra pads L-100.STC SA2350NMInstallation of Electronics International Inc digital carburetor/outside air temperature gauges listed on the attached continuation sheet and the associated accessories.
Engine · Lycoming VO-540 series
STC SE04651CHTo allow use of l00R grade aviation fuel meeting Swift Fuel, LLC specification SPEC-l00R-22STC SE2932SWInstall carburetor air temperature indicator. Approved for Aircooled Motors (Franklin Engine Co.) equipped with float carburetors. Model eligibility included here may not be inclusive.STC SE04349CHInstallation of SureFly electronic ignitionSTC SE01954SEInstallation of engine crankcase seal.STC SE01966WIUse of GAMI G100UL High Octane Unleaded Avgas in spark ignition piston aircraft enginesSTC SE8628SWInstallation of oil nozzles for lubrication of cam and filters.STC SE4408SWMiscellaneous engine cylinder replacement parts.STC SE8776SWInstallation of coated cylinders and piston rings.STC SE2902NMLycoming valve cover gasketSTC SE7582SWGrinding of high compression NITRIDED Cylinders to .010 oversize, as an alternative to chrome plating or rebarreling, and the installation of SL10207 P10 Piston, SL74241 P10 Top and second compression ring, and SL 73857 P10 oil control ringSTC SE1779NMInstallation of Precise Flight, Inc. Standby Vacuum System SVS IIISTC SE00890LAInstallation of Nickson's cylinder barrels on Lycoming reciprocating engine models.STC SE1-201Installation of the Richter Aero Equipment Type B-4 or B-5 Temperature Probe. (O-360 SERIES (excl. A1C, C2B, C2D))STC SE09492SCInstallation and usage of Exxon 20W50 multigrade aircraft engine oil conforming to Exxon Oil formulation WS-3013.STC SE00350SEInstallation of sump mounted chip detector.STC SE8023SWInstallation and usage of AEROSHELLSTC SE452NEInstallation and usage of 'Mobil AV 1' aviation oil.STC SE5879SWUse of Phillips X/C II 20W-50 and25W-60 oil (OSS 55875) in all Avco reciprocating aircraft engines from 65 to 450 BHP.STC SE5924SWInstallation of stainless steel replacement exhaust studs on AVCO engines.STC SE80NEInstallation and usage of Bel-Ray synthetic aviation oil, Bel-Ray Aero 1, (nonsupercharged), horizontally opposed direct drive, aircraft engines of 350 hp. or less.STC SE128NEUse of AMS/OIL 15W 50 synthetic piston aircraft oil in Avco engines.