N731GD

STCs that may be installed · 215

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 = '2073005'
      UNION ALL SELECT stc_number, 2, 'engine', matched_model FROM 'https://openairdocs.org/data/latest/faa_engine_model_stc.parquet' WHERE engine_model_code = '17032')
    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 IO-520 series

STC 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 SE244NEInstallation of Mattituck plasma flame sprayed cylinder barrels in Teledyne reciprocating engines.Mattituck Airbase, IncSTC SE2544NMInstallation of alternate induction oil system, and mounting components.John B. Godwin Jr. · Lists IO-520-ESTC SE843GLInstallation of a fuel flow transducer.Nogle Charles H · Lists IO-520-BASTC SE2514NMInstallation of Schwitzer Model4LD turbocharger.Douthitt Robert · Lists IO-520-BSTC 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 SE1445SOUse of Aero-blend oil additive in Teledyne (non turbocharged) aircraft engines.ProTecSTC SE282GLInstallation of a fuel flow transducer, Symbolic Displays P/N 201B.Hartzog Aviation, Inc · Lists IO-520-BSTC SE80WEInstallation of an emergency fuel system.Mission Avn Fellowship · Lists IO-520-FSTC SE72WEBG-341 spark plug as eligible for installation on listed Continental engines.Lewis Leibee · Lists IO-520-ASTC SE12GLInstallation of oil filler cap.Ray Whyte Electric Products Co. · Lists IO-520-ASTC SE451SOInstallation of air compressor gear box drive.Puerto Rico Intl Airlines · Lists IO-520-ESTC SE44WEUse of Kling Aviation Oil, Specifications KL-100, KL-200 and KL-300 in Continental and Lycoming engines.Kling Oil Company · Lists IO-520-ASTC SE10746SCConversion of Teledyne Continental Motors (TCM) models IO-520-B, -BB to RAM model IO-550-B-RA engine, or conversion of TCM models IO-520-C, -CB to RAM model IO-550-C-RA engineRAM Aircraft Limited Partnership · Lists IO-520-BSTC SE7325SWInstallation of crankcase modifications.RAM Aircraft Limited Partnership · Lists IO-520-A
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