N3905M

STCs that may be installed · 272

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 = '7101204'
      UNION ALL SELECT stc_number, 2, 'engine', matched_model FROM 'https://openairdocs.org/data/latest/faa_engine_model_stc.parquet' WHERE engine_model_code = '42261')
    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.

Airframe · Piper PA-12S

STC SA701ALInstallation of skis.F Atlee Dodge Aircraft Service · Lists PA-12 SeriesSTC SA4-1210Installation of Eonnex cover on aircraft surfaces.Ceconite, IncSTC SA476ALInstallation of fiberglass wing tips.Ronald E SullivanSTC SA543ALInstallation of Piper PA-18 type landing gear.Ronald E Sullivan · Lists PA-12 SeriesSTC SA564ALModification of PA-12 elevator control system forward of fuselage station 181. (PA-12 SERIES Landplanes ONLY)Ronald E Sullivan · Lists PA-12 SeriesSTC SA565ALInstallation of aft baggage compartment in PA-12 airplanes. (Landplanes ONLY)Ronald E Sullivan · Lists PA-12 SeriesSTC SA577ALModification of standard pilot seat.Ronald E Sullivan · Lists PA-12 SeriesSTC SA308EAInstallation of carburetor ice detection system 105AP in single and twin engine aircraft and single engine helicopters powered by Continental, Franklin, and Lycoming type engines equipped with Marvel-Schebler MA-2, MA-3, MA-4, MA-4-5, MA-6 and HA-6 series carburetors. (Normal,Utility and Acrobatic Category airplanes and helicopters equipped with engines and carburetors as described.)Alfred R PuccinelliSTC SA653ALInstall Avco Lycoming O-320-A2B or O-320-C2B engine and Sensenich74M6-0-52 propeller.Crosswinds STOLSTC SA1-297Lycoming O-290-D2 or O-290-D2A engine and Sensenich M76AM-2 fixed pitch metal propeller, diameter 74 inch, pitch 50 inch.Central Maine Flying Service, IncSTC SA493ALInstall leading edge cuff.Center Clinton C · Lists PA-12 SeriesSTC SA553ALInstallation of O-360 Lycoming engine.Center Charles C · Lists PA-12 SeriesSTC SA610ALInstall Avco Lycoming O-360-A2A engine.Charles C CenterSTC SA578ALInstall PA-18 wing flaps on PA-12.Hendrick David M. · Lists PA-12 SeriesSTC SA555ALInstallation of welded steel rear float fittings.Center Charles C · Lists PA-12 SeriesSTC SA570ALInstallation of square horizontal stabilizer, elevator and rudder. (PA-12 SERIES Normal Category ONLY)Ronald E Sullivan · Lists PA-12 SeriesSTC SA231ALInstallation of Piper PA-14 wing flaps.Schaeffer Rodney E · Lists PA-12 SeriesSTC SA568ALInstallation of a winterization kit. (Normal Category ONLY)Ronald E Sullivan · Lists PA-12 SeriesSTC SA550ALInstallation of modified landing gear (PA-18 type) with main gear legs lengthened 6 inches.Ronald E Sullivan · Lists PA-12 SeriesSTC SA517ALInstallation of plexiglass skylight on top of cabin.Crosswinds STOLSTC SA397ALConversion of 4-inch wheels and brakes to 6-inch wheels and brakes.Jake Bryant · Lists PA-12 SeriesSTC SA272ALInstallation of a removable structural assembly to replace like structure removed from behind rear seat.Gil's Aircraft Svc · Lists PA-12 SeriesSTC SA355ALInstallation of AD 2500x10.5 wheel replacement skis and rigging.F Atlee Dodge Aircraft Service · Lists PA-12 SeriesSTC SA4-419Application of glass cloth over unbleached muslin to all but control surfaces.Glasco-Air Products · Lists PA-12 SeriesSTC SA4-937Ceconite 101 covering of complete airplane.Cooper Engineering Corporation · Lists PA-12 SeriesSTC SA550EAInstallation of Lycoming O-360-D2A engine (168 hp.) and McCauley propeller 1A170-SFA7850.Lawrence H Bradway · Lists PA-12 SeriesSTC SA629ALInstall fiberglass wing tip assembly.Charles C CenterSTC SA815CEInstallation of skis. Issued February 1972.Aero Ski Manufacturing Co · Lists PA-12 SeriesSTC SA95ALMaule SFS-1-4-P8 tail wheel; Hayes D-15-26 brake assembly using Kennedy Air Service adapter 64-1; Hayes wheel assembly D3-105MD; and800x6, 850x6 or 900x6 4-ply tires and tubes.Kennedy Air Service · Lists PA-12 SeriesSTC SA001410BOInstallation of an AV-30-C Multi-Mode IndicatoruAvionix CorporationSTC SA00765DE PAGE 1Installation of Automatic Dependent Surveillance Broadcast (ADS-B) Out functionality using the BendixKing KT74 Transponder and qualified position sensorPeregrineSTC SA02717NYInstallation of VoiceFlight Systems LLC VFS101 Speech Recognition ModuleVoiceFlight Systems LLCSTC SA01933LAInstallation of Garmin Model 400W / 500W Series GPS-WAAS Navigation SystemGarmin AT Inc.STC SA01229SEInstallation of CNX80 GPS WAAS Navigator with integrated VHF Navigation and Communication radios.UPS Aviation TechnologiesSTC SA2350NMInstallation of Electronics International Inc digital carburetor/outside air temperature gauges listed on the attached continuation sheet and the associated accessories.Electronics International

Engine · Lycoming O-360-A2A

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 SE208SOInstallation of ice indicator in the carburetor.LegacySTC.com · Lists O-360 SeriesSTC 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 SE2390CEInstallation of B & C Speciality Products.B & C Specialty Products Inc. · Lists O-360 SeriesSTC SE03232CHInstallation of Engine Preheat Kit p/n TA2925-1 for 115 volt applicationHartzell Propeller Inc.STC 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 SE4408SWMiscellaneous engine cylinder replacement parts.Continental Motors, Inc. · Lists O-360 SeriesSTC SE8776SWInstallation of coated cylinders and piston rings.Continental Motors, Inc. · Lists O-360 SeriesSTC SE00218NYReplacement of Lycoming starter with SKY-TEC 12 volt starter installed.Hartzell Engine Technologies, LLC · Lists O-360 SeriesSTC 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, LLC
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