N549LL

STCs that may be installed · 33

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 = '056122K'
      UNION ALL SELECT stc_number, 2, 'engine', matched_model FROM 'https://openairdocs.org/data/latest/faa_engine_model_stc.parquet' WHERE engine_model_code = '17012')
    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 C145 series

STC SE04651CHTo allow use of l00R grade aviation fuel meeting Swift Fuel, LLC specification SPEC-l00R-22Swift Fuels LLC · Lists C145-2STC 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 LLCSTC SE208SOInstallation of ice indicator in the carburetor.LegacySTC.comSTC SE04349CHInstallation of SureFly electronic ignitionSureFly Partners Ltd. · Lists C145-2STC SE00145WIInstallation of B&C Specialty Products Model BC 320-( ) Engine Starter.B & C Specialty Products Inc. · Lists C145-2STC SE03309CHInstallation of Engine Preheat Kit, p/n TSP6CYL-2927-115 for 115 volt applicationHartzell Propeller Inc. · Lists C145-2STC SE04577CHInstall an electronic engine ignition systemElectroair Acquisition Corp · Lists C145-2STC SE01966WIUse of GAMI G100UL High Octane Unleaded Avgas in spark ignition piston aircraft enginesGeneral Aviation Modifications Inc. · Lists C145-2STC SE00533SEInstallation of Real Gasket Corporation Continental Engine Pushrod Tube Modification.Real Gaskets Tennessee · Lists C145-2STC SE8409SWInstallation of P/N CO-300-1 Oil Filter Adaptor with spin-on filter as a replacement for the existing oil screenStratus Tool Technologies LLC · Lists C145-2STC SE10129SCInstallation of rotocoil, valve springs, ni-resist valve guide, exhaust valve with chrome flash on stem, and rocker shaft with thrust buttons.Continental Motors, Inc. · Lists C145-2STC SE8112SWInstallation of any or all parts identified by Parts Application List AEC9109-2.Continental Motors, Inc.STC SE8776SWInstallation of coated cylinders and piston rings.Continental Motors, Inc.STC SE3330NMContinental valve cover gasketReal Gaskets Tennessee · Lists C145-2STC SE1220GLReplacement of Slick Model 664 magnetos with Slick Model 6264 magnetos or installation of Model 6364 magneto.Champion Aerospace LLC · Lists C145-2STC SE1780NMInstallation of Precise Flight standby vacuum system (SVS III).Precise Flight Inc · Lists C145-2STC 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. · Lists C145-2STC 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 Corporation · Lists C145-2STC ST00435ATOverhaul/repair of the Delco starter adapter drive (P/N 1971890) used with Delco starters P/N's 11096656 and 1109660.AerotechSTC SE09513SCInstallation and usage of Exxon 20W50 Multigrade aircraft engine oil conforming to Exxon Oil Formulation WS-3013.Exxon Company USASTC 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 SE00350SEInstallation of sump mounted chip detector.Aviation Development Corporation · Lists C145-2STC SE00262NYInstallation of Canadian Aero Manufacturing Pull Start Clutch, P/N 1971890-N or 1971890-M.Canadian Aero ManufacturingSTC SE8669SWInstallation of roller rocker arm.Performance Engineering · Lists C145-2STC SE452NEInstallation and usage of 'Mobil AV 1' aviation oil.Mobil Research & Development CorpSTC SE3-663Install dry vacuum pump drive.Parker Hannifin CorpSTC 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 CoSTC SE1976SWManufacture of new cylinder barrels and rebarreling with original cylinder head.Gary Aerospace CorpSTC 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, IncSTC SE2006CEAdd the following approved fuel: unleaded automotive gasoline, 87 minimum index and leaded automotive gasoline, 88 minimum antiknock index (RON+MON)/2. Also intermixing of aviation gasoline.Petersen Aviation IncSTC SE1445SOUse of Aero-blend oil additive in Teledyne (non turbocharged) aircraft engines.ProTecSTC SE44WEUse of Kling Aviation Oil, Specifications KL-100, KL-200 and KL-300 in Continental and Lycoming engines.Kling Oil Company
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