N20GD

STCs that may be installed · 519

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 = '1151520'
      UNION ALL SELECT stc_number, 2, 'engine', matched_model FROM 'https://openairdocs.org/data/latest/faa_engine_model_stc.parquet' WHERE engine_model_code = '17380')
    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 O-470-G

STC SE09559SCInstallation of US Airparts roller rocker arm assemblies P/N US92E exhaust and US92I intake.US Airparts, Inc.STC SE00577NYInstallation of Canadian Aero Mfg. (C.A.M.) Oil Coolers.Canadian Aero ManufacturingSTC SE00350SEInstallation of sump mounted chip detector.Aviation Development CorporationSTC SE00427NYInstallation, operation and inspection of CAM oil coolers.Canadian Aero ManufacturingSTC SE00142SEReplaces the following Teledyne-Continental part numbers: 641682 (Rocker Arm, Exhaust), 539742 (Rocker Arm, Intake), 539740 (Rocker Arm, Shaft) and 538304 (Pushrod Assembly)Dakota Aircraft Parts IncSTC SE3296NMReplacement of the original engine oil screen with an external mounted full flow oil adapter and spin-on filter.Timberman Allen ESTC SE8594SWInstallation of roller rocker arm P/N PE 92I intake and PE92E exhaust.Performance EngineeringSTC SE5205NMInstallation of an Oilamatic engine filter screen adapter.Oilamatic IncSTC SE7431SWInstallation of Performance Engineering roller rocker arms.Performance EngineeringSTC 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-470 SeriesSTC SE940GLInstallation of oil filler tube extension.Rapco, IncSTC SE1642SWModified cylinder assembly G-626820C or G-625859.Gary Aerospace Corp · Lists O-470 SeriesSTC SE244NEInstallation of Mattituck plasma flame sprayed cylinder barrels in Teledyne reciprocating engines.Mattituck Airbase, Inc · Lists O-470 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-470 SeriesSTC SE141SWRework crankcase in area of starter drive needle bearing.Hutchinson Aircraft Svc · Lists O-470 SeriesSTC SE16WEBendix S-600 low tension ignition system.Salinas Engine Works · Lists O-470 SeriesSTC SE1CERSA-5 fuel injection system.Bendix Products · Lists O-470 SeriesSTC SE44WEUse of Kling Aviation Oil, Specifications KL-100, KL-200 and KL-300 in Continental and Lycoming engines.Kling Oil CompanySTC SE73SOContinental GIO-470 engine oil sump assembly 628943 and oil pump suction tube assembly 628660.Aircraft Modification Engineering Company · Lists O-470 Series
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