N484ML

STCs that may be installed · 44

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 = '3360365'
      UNION ALL SELECT stc_number, 2, 'engine', matched_model FROM 'https://openairdocs.org/data/latest/faa_engine_model_stc.parquet' WHERE engine_model_code = '42337')
    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 · Lycoming O-540-B2B5

STC SE04651CHTo allow use of l00R grade aviation fuel meeting Swift Fuel, LLC specification SPEC-l00R-22Swift Fuels LLCSTC SE00825WIInstallation of Specialty Products Spin-on oil filter on Lycoming Engines.B & C Specialty Products Inc.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 O-540 SeriesSTC SE208SOInstallation of ice indicator in the carburetor.LegacySTC.com · Lists O-540 SeriesSTC SE04349CHInstallation of SureFly electronic ignitionSureFly Partners Ltd.STC SE01954SEInstallation of engine crankcase seal.Ly-Con Rebuilding CompanySTC SE02352CHInstallation of Challenger cleanable oil filter assemblyChallenger Aviation Products Inc.STC SE00939WIInstallation of B&C Specialty Products Model BC 315-( ) Starter on Lycoming engines.B & C Specialty Products Inc.STC SE2388CEInstallation of B&C Speciality Products lightweight (10.2) pounds) engine starter, part number BC-315-100-1 (12 volts) or part number BC-315-100-3 (24 volts)B & C Specialty Products Inc. · Lists O-540 SeriesSTC SE03309CHInstallation of Engine Preheat Kit, p/n TSP6CYL-2927-115 for 115 volt applicationHartzell Propeller Inc.STC SE01436LAInstallation of Firewall Forward Technologies LLC modified camshaftCentri-lube Technologies LLCSTC 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 SE8628SWInstallation of oil nozzles for lubrication of cam and filters.Cygnet Aerospace CorpSTC SE4408SWMiscellaneous engine cylinder replacement parts.Continental Motors, Inc. · Lists O-540 SeriesSTC SE8776SWInstallation of coated cylinders and piston rings.Continental Motors, Inc. · Lists O-540 SeriesSTC SE00218NYReplacement of Lycoming starter with SKY-TEC 12 volt starter installed.Hartzell Engine Technologies, LLC · Lists O-540 SeriesSTC SE00226NYReplacement of Lycoming starter with SKY-TEC 24-volt starter Models 149-24HT and 122-24HT. Approval limited to 24-volt DC source available to the starter.Hartzell Engine Technologies, LLCSTC SE00357NYReplacement of Lycoming starter with SKY-TEC 24-volt starter installed.Hartzell Engine Technologies, LLC · Lists O-540 SeriesSTC SE2901NMLycoming valve cover gasketReal Gaskets TennesseeSTC SE00768CHReplace Slick 6000, 6100, 6200 and 6300 series magnetos and TCM/Bendix S6-20, S6-200 and S6-1200 series magnetos with the Champion Limited Authority Spark Advance Regulator (LASARTM) ignition systemChampion Aerospace LLCSTC SE922GLInstallation of a Shadin Company fuel flow transducer.Shadin AvionicsSTC SE7734SWModification of engine for operation with ethanol fuel.Shauck Dr Maxwell E Jr.STC 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 SE956GLSuperseded by STC SE01943CH. Add approved fuel: unleaded automotive gasoline, 87 minimum antiknock index.EAA Aviation FoundationSTC SE1779NMInstallation of Precise Flight, Inc. Standby Vacuum System SVS IIIPrecise Flight IncSTC SE5743NMIntallation of adapter for externally mounted oil filter.Aviation Development CorporationSTC SE1433GLConvert Lycoming aircraft engine Model O-540-B2B5 or O-540-B2C5 rated at 235 hp at 2575 rpm to a O-540-B2B5-C-AlD5 or O-540-B2C5-C-A1D5 rated at 250 hp at 2575 rpm maximumKron HowardSTC SE00890LAInstallation of Nickson's cylinder barrels on Lycoming reciprocating engine models.Nickson's Machine Shop Inc · Lists O-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 Inc · Lists O-540 SeriesSTC SE09492SCInstallation and usage of Exxon 20W50 multigrade aircraft engine oil conforming to Exxon Oil formulation WS-3013.Exxon Company USA · Lists O-540 SeriesSTC SE8023SWInstallation and usage of AEROSHELLShell Development Co · Lists O-540 SeriesSTC SE741NEInstallation of 'Auto-Vac-4' primary vacuum system.Raymond IvesSTC SE452NEInstallation and usage of 'Mobil AV 1' aviation oil.Mobil Research & Development Corp · Lists O-540 SeriesSTC SE318NEInstallation of 'auto-vac-2' auxiliary instrument vacuum system.Raymond IvesSTC 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-540 SeriesSTC SE5924SWInstallation of stainless steel replacement exhaust studs on AVCO engines.Perrigo & Steele Aircraft Engr Company · Lists O-540 SeriesSTC SE244NEInstallation of Mattituck plasma flame sprayed cylinder barrels in Teledyne reciprocating engines.Mattituck Airbase, Inc · Lists O-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 O-540 SeriesSTC SE1909CEOperation on unleaded and leaded automotive gasoline.Petersen Aviation IncSTC SE1445SOUse of Aero-blend oil additive in Teledyne (non turbocharged) aircraft engines.ProTec · Lists O-540 SeriesSTC SE128NEUse of AMS/OIL 15W 50 synthetic piston aircraft oil in Avco engines.AMS/OIL · Lists O-540 SeriesSTC SE44WEUse of Kling Aviation Oil, Specifications KL-100, KL-200 and KL-300 in Continental and Lycoming engines.Kling Oil Company · Lists O-540 SeriesSTC SA01436DEInstallation of Firewall Forward Technologies, LLC modified camshaft.Centri-Lube Technologies LLC
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