N51HC

STCs that may be installed · 113

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 = '7220404'
      UNION ALL SELECT stc_number, 2, 'engine', matched_model FROM 'https://openairdocs.org/data/latest/faa_engine_model_stc.parquet' WHERE engine_model_code = '41851')
    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 AEIO-360-A1E

STC SE524CHReplace Slick 4000, 4100, 4200, and 4300 series magnetos and TCM/Bendix S-20, S-200, and S-1200 series magnetos with the Champion Limited Authority Spark Advance Regulator (LASAR )Champion Aerospace LLCSTC SE916GLReplacement of Bendix S4LN-20, -21, -1209, or -1227 model magnetos with Slick model 4250 and 4251 magnetos.Champion Aerospace LLCSTC SE1779NMInstallation of Precise Flight, Inc. Standby Vacuum System SVS IIIPrecise Flight IncSTC SE5743NMIntallation of adapter for externally mounted oil filter.Aviation Development CorporationSTC SE09492SCInstallation and usage of Exxon 20W50 multigrade aircraft engine oil conforming to Exxon Oil formulation WS-3013.Exxon Company USA · Lists AEIO-360 SeriesSTC SE00350SEInstallation of sump mounted chip detector.Aviation Development CorporationSTC SE8023SWInstallation and usage of AEROSHELLShell Development Co · Lists AEIO-360 SeriesSTC SE2389SEInstallation of B & C Specialty Products.Bainbridge William C III · Lists AEIO-360 SeriesSTC SE452NEInstallation and usage of 'Mobil AV 1' aviation oil.Mobil Research & Development Corp · Lists AEIO-360 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 AEIO-360 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 AEIO-360 SeriesSTC SE1445SOUse of Aero-blend oil additive in Teledyne (non turbocharged) aircraft engines.ProTec · Lists AEIO-360 SeriesSTC SE128NEUse of AMS/OIL 15W 50 synthetic piston aircraft oil in Avco engines.AMS/OIL · Lists AEIO-360 Series
Back to N51HC