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.

STC SE04651CHTo allow use of l00R grade aviation fuel meeting Swift Fuel, LLC specification SPEC-l00R-22Swift Fuels LLCSTC SE00825WIInstallation of Specialty Products Spin-on oil filter on Lycoming Engines.B & C Specialty Products Inc.STC SE2932SWInstall carburetor air temperature indicator. Approved for Aircooled Motors (Franklin Engine Co.) equipped with float carburetors. Model eligibility included here may not be inclusive.Alcor LLCSTC SE208SOInstallation of ice indicator in the carburetor.LegacySTC.comSTC SE04349CHInstallation of SureFly electronic ignitionSureFly Partners Ltd.STC SE01954SEInstallation of engine crankcase seal.Ly-Con Rebuilding CompanySTC SE02352CHInstallation of Challenger cleanable oil filter assemblyChallenger Aviation Products Inc.STC SE00939WIInstallation of B&C Specialty Products Model BC 315-( ) Starter on Lycoming engines.B & C Specialty Products Inc.STC SE2391CEInstallation of B&C Speciality Products lightweight (10.2 pounds) engine starter, part number BC-315-100-1 (12 volts) or part number BC-315-100-3 (24 volts) on engines with ring gears that have 122 teethB & C Specialty Products Inc.STC SE03232CHInstallation of Engine Preheat Kit p/n TA2925-1 for 115 volt applicationHartzell Propeller Inc.STC SE4-1638Installation of one Roto-Master Turbocharger Model No. 3DT5FF10J2, P/N 600572-00 (formerly Rajay Model No. 315F10, P/N RJ0080-100, -101, or -102).TALCO AviationSTC SE04577CHInstall an electronic engine ignition systemElectroair Acquisition CorpSTC SE01966WIUse of GAMI G100UL High Octane Unleaded Avgas in spark ignition piston aircraft enginesGeneral Aviation Modifications Inc.STC SE8628SWInstallation of oil nozzles for lubrication of cam and filters.Cygnet Aerospace CorpSTC SE03215CHSTC for the conversion of Lycoming O-320-A, B, C, D, E; IO-320-A, B, C, D, E, F; AIO-320-A, B; AEIO-320-D, E to increase engine displacement to 340 cubic inches by installation of a crankshaft with a longer strokeContinental Motors, Inc.STC SE1051SWConvert straight mount engine to dynafocal mount configurationContinental Motors, Inc.STC SE1339SWModify pistons to Drawings 11007 and 11015; piston ringsContinental Motors, Inc.STC SE4408SWMiscellaneous engine cylinder replacement parts.Continental Motors, Inc.STC SE8776SWInstallation of coated cylinders and piston rings.Continental Motors, Inc.STC SE00218NYReplacement of Lycoming starter with SKY-TEC 12 volt starter installed.Hartzell Engine Technologies, LLCSTC SE00226NYReplacement of Lycoming starter with SKY-TEC 24-volt starter Models 149-24HT and 122-24HT. Approval limited to 24-volt DC source available to the starter.Hartzell Engine Technologies, LLCSTC SE00357NYReplacement of Lycoming starter with SKY-TEC 24-volt starter installed.Hartzell Engine Technologies, LLCSTC SE2901NMLycoming valve cover gasketReal Gaskets TennesseeSTC SE00590DEInstallation of modified Lubricated CamshaftCentri-Lube Technologies LLCSTC SE01524CHReplace Slick 6000, 6100, 6200, 6300, 4000, 4100, 4200, and 4300 series magnetos and TCM/Bendix S6-20, S6-200, S6-1200, S-20, S-200, and S-1200 series magnetos with Champion Limited Authority Spark Advance Regulator (LASAR ) Model 4755 and 6755 bush kit ignition systems.Champion Aerospace LLCSTC SE419CHReplace 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 ) ignition systemChampion Aerospace LLCSTC 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 SE862GLReplacement of Bendix S4LN-20, -21, -1209, or -1227 model magnetos with Slick model4250 or 4251 magnetos.Champion Aerospace LLCSTC SE3692SW-DIncrease 5 minute takeoff maximum power rating to 160 horsepower.RAM Aircraft Limited PartnershipSTC SE8193SWGrind nitriden high compression cylinder barrles to plus .010 oversize and install SL75089 P10 piston, SL74242 P10 compression ring, and SL73857 P10 oil ring.Superior Air Parts Inc.STC SE1931CEAdd the following approved fuel: unleaded automotive gasoline, 87 minimum antiknock index and leaded automotive gasoline, 88 minimum antiknock index, (RON+MON)/2.Petersen Aviation IncSTC SE2587CEAdd unleaded and leaded automotive gasoline, 91 minimum antiknock index per ASTM specification D-439.Petersen Aviation IncSTC SE8987SWModify engine IAW RAM Aircraft Corp Drawing No. 1724. Minimum fuel grade is 100/100LL.RAM Aircraft Limited PartnershipSTC SE925GLInstallation of Shadin Co. fuel flow transducer.Shadin Company IncSTC SE01930NYInstallation of Casper Labs 90 degree oil filter housing adapter.Casper Labs IncSTC SE02157NYInstallation and maintenance of new roller-bearing lifters and camshaft.Air P Techno IncSTC SE1779NMInstallation of Precise Flight, Inc. Standby Vacuum System SVS IIIPrecise Flight IncSTC SE02207AKLimited to installation on model O-320-E2D, serial number 24305-27A ONLY.Hot Springs AviationSTC SE5743NMIntallation of adapter for externally mounted oil filter.Aviation Development CorporationSTC SE2315NMModification of Lycoming 0-320-A2B engine to 160 HP configuration.Aero Recip Alaska, LLCSTC SE1-201Installation of the Richter Aero Equipment Type B-4 or B-5 Temperature Probe. (O-360 SERIES (excl. A1C, C2B, C2D))MidContinent Instru Co IncSTC SE682NEConversion of Model 0-320-E2G engine to high compression.Precision EngineSTC SE09492SCInstallation and usage of Exxon 20W50 multigrade aircraft engine oil conforming to Exxon Oil formulation WS-3013.Exxon Company USASTC SE00590LAInstallation of Nickson's cylinder barrels on Lycoming reciprocating engine models.Nickson's Machine Shop IncSTC SE00350SEInstallation of sump mounted chip detector.Aviation Development CorporationSTC SE1226CEModify engines for a 160 horsepower rating on 100/130 minimum grade fuel.Ly-Con Rebuilding CompanySTC SE00252SEModification for a 160 hp rating on 100/100LL minimum grade fuel.Ly-Con Rebuilding CompanySTC SE8023SWInstallation and usage of AEROSHELLShell Development CoSTC SE702NEModification of crankcase tappet bores to accommodate large tappets.Mattituck Airbase, IncSTC SE4634NMInstallation of oil filter adapter fabricated.Univ of Alaska Fairbanks
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