TCDS E-274
STCs approved under this data sheet · 70
Current certificates first, most recently changed first.
Query with SQL
duckdb -csv -c "SELECT s.stc_number, s.description, s.holder, s.status, s.status_date FROM 'https://openairdocs.org/data/latest/faa_stc.parquet' s WHERE s.stc_number IN (SELECT stc_number FROM 'https://openairdocs.org/data/latest/faa_stc_model.parquet' WHERE tcds_number = 'E-274') ORDER BY 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.
SELECT s.stc_number, s.description, s.holder, s.status, s.status_date FROM 'https://openairdocs.org/data/latest/faa_stc.parquet' s WHERE s.stc_number IN (SELECT stc_number FROM 'https://openairdocs.org/data/latest/faa_stc_model.parquet' WHERE tcds_number = 'E-274') ORDER BY s.status = 'Current' DESC, s.status_date DESC, s.stc_number
Run it at the DuckDB prompt, or in any tool that reads Parquet over HTTPS. More ways to query the release are on Use the data.
STC SE732NEInstallation of 'Auto-Vac-4' primary vacuum system.STC SE3647SWEngine replacement parts.STC SE3513NMInstallation of a Mitsubishi 35 amp automotive alternator with alternator mounted Transpo Electronics solid-state voltage regulator.STC SE452NEInstallation and usage of 'Mobil AV 1' aviation oil.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.STC SE399NEInstallation of autovac-2 instrument vacuum system.STC SE388NEInstallation of Bendix magnetoes Model S4LN-21 and S4LN-20.STC SE5924SWInstallation of stainless steel replacement exhaust studs on AVCO engines.STC SE336NEAdd the following approved fuel: unleaded automotive gas 87 min. antiknock index.STC SE244NEInstallation of Mattituck plasma flame sprayed cylinder barrels in Teledyne reciprocating engines.STC 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.STC SE1445SOUse of Aero-blend oil additive in Teledyne (non turbocharged) aircraft engines.STC SE128NEUse of AMS/OIL 15W 50 synthetic piston aircraft oil in Avco engines.STC SE508ALAddition of crankcase relief valve.STC SE2392SWConversion to fuel injection configuration equivalent IO-320-E2A.STC SE2-7Carburetor air temperature bulb in Marvel-Schebler MA-4-5 carburetor.STC SE5CEPrestolite ALK-5001 alternator.STC SE367CHModification of AVCO Lycoming O-320-E2A engine by replacing four pistons with four O-320-D2A pistonsSTC SE800GLSuperseded by STC SE01943CH. Add the following fuel: unleaded automotive gasoline, 87 minimum antiknock index.STC SE3692SWIncrease 5 minute takeoff maximum power rating to 160 horsepower.
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