N34621

STCs that may be installed · 71

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 = '8632102'
      UNION ALL SELECT stc_number, 2, 'engine', matched_model FROM 'https://openairdocs.org/data/latest/faa_engine_model_stc.parquet' WHERE engine_model_code = '41505')
    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 0-235 series

STC SE1779NMInstallation of Precise Flight, Inc. Standby Vacuum System SVS IIIPrecise Flight IncSTC SE5743NMIntallation of adapter for externally mounted oil filter.Aviation Development CorporationSTC SE00988CHModify Lycoming aircraft engine Model O-235-C2C rated at maximum continuous 108 hp at 2600 rpm and 6.75:1 compression ratio to maximum continuous 115 at 2700 rpm and 8.5:1 compression ratio.Precision Engine · Lists O-235-C2CSTC SE09492SCInstallation and usage of Exxon 20W50 multigrade aircraft engine oil conforming to Exxon Oil formulation WS-3013.Exxon Company USASTC SE00350SEInstallation of sump mounted chip detector.Aviation Development CorporationSTC SE5173NMInstallation of a replacement oil cooler adaptor, P/N ADC-310.Aviation Development CorporationSTC SE2203NMInstallation of high compression pistons.Godwin John B Jr · Lists O-235-L2CSTC SE8023SWInstallation and usage of AEROSHELLShell Development CoSTC SE2606CEAdd unleaded and leaded automotive gasoline, 91 minimum antiknock index(RON+MON)/2 per ASTM Specification D-439.Petersen Aviation Inc · Lists O-235-L2ASTC SE452NEInstallation and usage of 'Mobil AV 1' aviation oil.Mobil Research & Development CorpSTC SE2035CEAdd the following approved fuel: unleaded automotive gasoline, 87 minimum antiknock index and leaded automotive gasoline, 88 minimum antiknock index (RON+MON)/2. Intermixing with aviation gasoline also approvedPetersen Aviation Inc · Lists O-235-C1STC 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 SE5945SWGrind mitrided choked engine cylinders .010-inch oversize and install .010-inch oversize pistons and rings.Superior Air Parts · Lists O-235-K2ASTC SE5924SWInstallation of stainless steel replacement exhaust studs on AVCO engines.Perrigo & Steele Aircraft Engr CompanySTC 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 SE5791SWInstallation of any or all engine components parts or modifications on Avco 0-235 series engines.Airmotive Engineering CorpSTC SE2364NMModification to lower horsepower rating from 118 H.P. at 2800 RPM to 115 H.P. at 2800 RPM for takeoff and 115 H.P. at 2700 RPM to 108 H.P. at 2600 RPM for maximum continuous.Snohomish Flying Svc Inc · Lists O-235-L2CSTC SE1445SOUse of Aero-blend oil additive in Teledyne (non turbocharged) aircraft engines.ProTecSTC SE128NEUse of AMS/OIL 15W 50 synthetic piston aircraft oil in Avco engines.AMS/OILSTC SE5CEPrestolite ALK-5001 alternator.Larsen Industries
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