N239H

STCs that may be installed · 24

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 = '056276W'
      UNION ALL SELECT stc_number, 2, 'engine', matched_model FROM 'https://openairdocs.org/data/latest/faa_engine_model_stc.parquet' WHERE engine_model_code = '17140')
    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 A75-8F

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 LLCSTC SE208SOInstallation of ice indicator in the carburetor.LegacySTC.com · Lists A-75 SeriesSTC SE03232CHInstallation of Engine Preheat Kit p/n TA2925-1 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 SE00533SEInstallation of Real Gasket Corporation Continental Engine Pushrod Tube Modification.Real Gaskets TennesseeSTC SE4247SWRegrind crankshaft to .020 undersize on crankpin and main journals.Continental Motors, Inc. · Lists A-75 SeriesSTC SE4271SWAlteration of crankcase to accept alternate front main bearing P/N530058.Continental Motors, Inc. · Lists A-75 SeriesSTC SE3330NMContinental valve cover gasketReal Gaskets TennesseeSTC SE1589GLInstallation of Slick Aircraft Products Magneto Model 4202 or Model 4302.Champion Aerospace LLCSTC SE09002SCRegrind Teledyne Continental crankshafts, to .020-inch undersize on crankpin and main journals.Aircraft Specialties Services Inc · Lists A-75 SeriesSTC 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 SE634GLSuperseded by STC SE01943CH. Add the following approved fuel: unleaded automotive gasoline, 87 minimum antiknock index.EAA Aviation Foundation · Lists A-75 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 Inc · Lists A-75 SeriesSTC SE452NEInstallation and usage of 'Mobil AV 1' aviation oil.Mobil Research & Development Corp · Lists A-75 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 A-75 SeriesSTC SE2030CEAdd approved fuel: unleaded automotive gasoline, 87 minimum anitknock index and leaded automotive gasoline, 88 minimum antiknock index(RON+MON)/2.Petersen Aviation IncSTC 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 A-75 SeriesSTC SE1445SOUse of Aero-blend oil additive in Teledyne (non turbocharged) aircraft engines.ProTec · Lists A-75 SeriesSTC SE4CEMotorola alternator A12NK451.Steven E/Robert F BellSTC SE984SWDelco 55A ampere alternator. (C85 SERIES Suffix F Series)Waldrop Lee A · Lists A-75 SeriesSTC SE44WEUse of Kling Aviation Oil, Specifications KL-100, KL-200 and KL-300 in Continental and Lycoming engines.Kling Oil Company · Lists A-75 Series
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