N22SP

STCs that may be installed · 95

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 = '4360122'
      UNION ALL SELECT stc_number, 2, 'engine', matched_model FROM 'https://openairdocs.org/data/latest/faa_engine_model_stc.parquet' WHERE engine_model_code = '42244')
    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 · Hiller UH-12E

STC SH717NWInstallation of Simplex Model 4500 spray system.Simplex Manufacturing CoSTC SH155WEInstallation of battery temperature monitor system.K S Avionics, IncSTC SH618NWInstallation of the Onboard Weighing System Adapter No. 1500, for use with Eastern Rotorcraft Cargo Hook No 2A15EOnboard Weighing SystemsSTC SH242GLInstallation of a General Electric100 amp generator, P/N 2CM299H1, and a distribution box.East West Helicopter IncSTC SH539NWInstallation of weighing system.Onboard Weighing SystemsSTC SH273NWInstallation of Aerial Spray System No. 3300.Simplex Manufacturing CoSTC SH951SOInstallation of removable center collective stick.Jungle Aviation & Radio Service, Inc.STC SH484NWInstallation of dual collective and turbine engine controlsSoloy LLCSTC SH877SOInstallation of tail rotor guard assembly.Jungle Aviation & Radio Service, Inc.STC SH215NWInstallation of Model 4400 aerial dust system.Simplex Manufacturing CoSTC SH165NWInstallation of Model 1620 and 1621 aerial seeders systems.Simplex Manufacturing CoSTC SA584WEInstallation of oil filter assemblies.Nelson FilterSTC SH446EAInstallation of Franklin engine Model 6V-350B in Fairchild Hiller UH-12A helicopter.Franklin Engine Co IncSTC SH80WEInstallation of Simplex thirty-two foot spray boom.Simplex Manufacturing CoSTC SH4-1071Spray equipment kit.Agricultural Aviation Engineering CompanySTC SH1-457Aircooler Motors 6VS-335B turbo-supercharged engine (derated).Carson Helicopters IncSTC SH160ALAirborne control survey system.US Dept of InteriorSTC SH32WEFabricate and install jump-step.USDA Forest ServiceSTC SH4-1101Aerofilter 30690B with element1A0286.Winslow Aerofilter CorpSTC SH4-178Curved control stick.Nystrom Aviation IncSTC SH52WEHigh volume fifty foot spray boom kit.Simplex Manufacturing CoSTC SH77ALTundra snow shoes.ERA Helicopters IncSTC SH9ALAirglas tundra pads L-100.Intl HelicoptersSTC SA2350NMInstallation of Electronics International Inc digital carburetor/outside air temperature gauges listed on the attached continuation sheet and the associated accessories.Electronics International

Engine · Lycoming VO-540-C2A

STC SE2932SWInstall carburetor air temperature indicator. Approved for Aircooled Motors (Franklin Engine Co.) equipped with float carburetors. Model eligibility included here may not be inclusive.Alcor LLC · Lists VO-540 SeriesSTC SE04349CHInstallation of SureFly electronic ignitionSureFly Partners Ltd.STC SE01954SEInstallation of engine crankcase seal.Ly-Con Rebuilding CompanySTC SE01966WIUse of GAMI G100UL High Octane Unleaded Avgas in spark ignition piston aircraft enginesGeneral Aviation Modifications Inc.STC SE8628SWInstallation of oil nozzles for lubrication of cam and filters.Cygnet Aerospace CorpSTC SE4408SWMiscellaneous engine cylinder replacement parts.Continental Motors, Inc. · Lists VO-540 SeriesSTC SE8776SWInstallation of coated cylinders and piston rings.Continental Motors, Inc. · Lists VO-540 SeriesSTC SE2902NMLycoming valve cover gasketReal Gaskets TennesseeSTC 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 ringSuperior Air Parts, IncSTC SE1779NMInstallation of Precise Flight, Inc. Standby Vacuum System SVS IIIPrecise Flight IncSTC SE00890LAInstallation of Nickson's cylinder barrels on Lycoming reciprocating engine models.Nickson's Machine Shop Inc · Lists VO-540 SeriesSTC SE1-201Installation of the Richter Aero Equipment Type B-4 or B-5 Temperature Probe. (O-360 SERIES (excl. A1C, C2B, C2D))MidContinent Instru Co IncSTC SE09492SCInstallation and usage of Exxon 20W50 multigrade aircraft engine oil conforming to Exxon Oil formulation WS-3013.Exxon Company USA · Lists VO-540 SeriesSTC SE00350SEInstallation of sump mounted chip detector.Aviation Development CorporationSTC SE8023SWInstallation and usage of AEROSHELLShell Development Co · Lists VO-540 SeriesSTC SE452NEInstallation and usage of 'Mobil AV 1' aviation oil.Mobil Research & Development Corp · Lists VO-540 SeriesSTC SE5879SWUse of Phillips X/C II 20W-50 and25W-60 oil (OSS 55875) in all Avco reciprocating aircraft engines from 65 to 450 BHP.Phillips Petroleum Co · Lists VO-540 SeriesSTC SE5924SWInstallation of stainless steel replacement exhaust studs on AVCO engines.Perrigo & Steele Aircraft Engr Company · Lists VO-540 SeriesSTC 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.Bel-Ray Company, Inc · Lists VO-540 SeriesSTC SE128NEUse of AMS/OIL 15W 50 synthetic piston aircraft oil in Avco engines.AMS/OIL · Lists VO-540 SeriesSTC SE44WEUse of Kling Aviation Oil, Specifications KL-100, KL-200 and KL-300 in Continental and Lycoming engines.Kling Oil Company · Lists VO-540 Series
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