N274G

STCs that may be installed · 47

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 = '056244Q'
      UNION ALL SELECT stc_number, 2, 'engine', matched_model FROM 'https://openairdocs.org/data/latest/faa_engine_model_stc.parquet' WHERE engine_model_code = '17375')
    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.

Engine · Continental O-470-S

STC SE04651CHTo allow use of l00R grade aviation fuel meeting Swift Fuel, LLC specification SPEC-l00R-22Swift Fuels LLCSTC 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 O-470 SeriesSTC SE04349CHInstallation of SureFly electronic ignitionSureFly Partners Ltd.STC SE03309CHInstallation of Engine Preheat Kit, p/n TSP6CYL-2927-115 for 115 volt applicationHartzell Propeller Inc.STC SE04577CHInstall an electronic engine ignition systemElectroair Acquisition CorpSTC SE01966WIUse of GAMI G100UL High Octane Unleaded Avgas in spark ignition piston aircraft enginesGeneral Aviation Modifications Inc.STC SE09356SCInstall F & M Enterprises' Model C6LC, C6LC-S or C6LC-L oil filter adapter for a spin-on oil filterStratus Tool Technologies LLCSTC SE4985NMIncrease engine displacement.NorthPoint AviationSTC SE00102SEReplaces Teledyne-Continental Part Number 646277 lifter bodies in engine models listed below with lifter bodies.B & B Aviation LLCSTC SE5784NMReplacement of Teledyne Continental original camshaft.B & B Aviation LLCSTC SE09637SCRemove existing rocker arm assemblies and install modify rocker arm assemblies.General Aviation Modifications Inc.STC SE95WEInstallation of oil fitting (AN-823-5D) in rocker box cover.Airwolf Filter CorporationSTC SE325SWFull flow oil filter.Superior Flow Company · Lists O-470 SeriesSTC SE26WEPiston ring 250000, 250000+2W and250000+10W on Continental E Series piston 534895, O-470 piston 534895, 626992 and 537883 and IO-470 piston534895.Continental Motors, Inc. · Lists O-470 SeriesSTC SE8776SWInstallation of coated cylinders and piston rings.Continental Motors, Inc.STC SE3330NMContinental valve cover gasketReal Gaskets TennesseeSTC SE10233SCInstallation of a Belt-Driven Vortech V-IS supercharger assembly.Rod SageSTC SE09846SCInstallation of S539800M30 starter adapter springs.Aircraft Specialties Services IncSTC SE1780NMInstallation of Precise Flight standby vacuum system (SVS III).Precise Flight IncSTC SE01943CHAdd the following approved fuels: unleaded automotive gasoline 87 minimum antiknock index, per ASTM Specification D-439 or D-4814 of any volatility class, A through E, or 82UL AVGAS per ASTM D-6227.Experimental Aircraft Association Inc.STC SE693GLSuperseded by STC SE01943CH. Add the following approved fuel: unleaded automotive gasoline, 87 minimum antiknock index.EAA Aviation FoundationSTC SE5743NMIntallation of adapter for externally mounted oil filter.Aviation Development CorporationSTC SE5868SWModify Teledyne O-470-S engine to install a turbosupercharger.General Aviation Modifications, Inc.STC SE09513SCInstallation and usage of Exxon 20W50 Multigrade aircraft engine oil conforming to Exxon Oil Formulation WS-3013.Exxon Company USA · Lists O-470 SeriesSTC SE09559SCInstallation of US Airparts roller rocker arm assemblies P/N US92E exhaust and US92I intake.US Airparts, Inc.STC 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 SE00580LAModification of the induction and other systems in accordance with Brooks Aviation Installation Instructions, Revision #1 dated December 15, 1997, or later FAA approved revision, and photographs contained in Brooks Aviation Report BA-1, Revision #01 dated December 20, 1997. Limited to installation on serial number 462014 ONLY.Brooks AviationSTC SE00577NYInstallation of Canadian Aero Mfg. (C.A.M.) Oil Coolers.Canadian Aero ManufacturingSTC SE00350SEInstallation of sump mounted chip detector.Aviation Development CorporationSTC SE00427NYInstallation, operation and inspection of CAM oil coolers.Canadian Aero ManufacturingSTC SE00142SEReplaces the following Teledyne-Continental part numbers: 641682 (Rocker Arm, Exhaust), 539742 (Rocker Arm, Intake), 539740 (Rocker Arm, Shaft) and 538304 (Pushrod Assembly)Dakota Aircraft Parts IncSTC SE3296NMReplacement of the original engine oil screen with an external mounted full flow oil adapter and spin-on filter.Timberman Allen ESTC SE8594SWInstallation of roller rocker arm P/N PE 92I intake and PE92E exhaust.Performance EngineeringSTC SE1597CEReplace carburetor fuel system with fuel injection and install oil and system provisions for turbosupercharger, also replace pistons, rings, and valves.Air Plains Services CorporationSTC SE5205NMInstallation of an Oilamatic engine filter screen adapter.Oilamatic IncSTC SE7431SWInstallation of Performance Engineering roller rocker arms.Performance EngineeringSTC 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 O-470 SeriesSTC SE940GLInstallation of oil filler tube extension.Rapco, IncSTC SE1642SWModified cylinder assembly G-626820C or G-625859.Gary Aerospace Corp · Lists O-470 SeriesSTC SE244NEInstallation of Mattituck plasma flame sprayed cylinder barrels in Teledyne reciprocating engines.Mattituck Airbase, Inc · Lists O-470 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 O-470 SeriesSTC SE1997CEAddition of following approved fuel: unleaded automotive gasoline, 87 minimum antiknock index and leaded automotive gasoline, 88 minimum antiknock index (RON+MON)/2, also intermixing with aviation gasoline.Petersen Aviation IncSTC SE141SWRework crankcase in area of starter drive needle bearing.Hutchinson Aircraft Svc · Lists O-470 SeriesSTC SE16WEBendix S-600 low tension ignition system.Salinas Engine Works · Lists O-470 SeriesSTC SE1CERSA-5 fuel injection system.Bendix Products · Lists O-470 SeriesSTC SE44WEUse of Kling Aviation Oil, Specifications KL-100, KL-200 and KL-300 in Continental and Lycoming engines.Kling Oil CompanySTC SE73SOContinental GIO-470 engine oil sump assembly 628943 and oil pump suction tube assembly 628660.Aircraft Modification Engineering Company · Lists O-470 Series
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