N62221

STCs that may be installed · 151

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 = '1181002'
      UNION ALL SELECT stc_number, 2, 'engine', matched_model FROM 'https://openairdocs.org/data/latest/faa_engine_model_stc.parquet' WHERE engine_model_code = '41525')
    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 · Bell 47G

STC SH4-1419Exhaust muffler.Northrop Corporation · Lists 47 SeriesSTC SH4-1499Exhaust mufflers.Comet Copters · Lists 47 SeriesSTC SH4-1604100-gallon borate tank.West-Figueroa Trust · Lists 47 SeriesSTC SH4-1628Full flow lube oil filter 30690B with element 1A0286.Winslow Aerofilter Corp · Lists 47 SeriesSTC SH4-1646Full flow lube oil filter 30690B with element 1A0286.Winslow Aerofilter Corp · Lists 47 SeriesSTC SH4-1650Engine cooling fan shrouds.Air Carrier Interiors Inc · Lists 47 SeriesSTC SH4-349Fabrication and installation of adapter assembly for bomb shackle mounting. (When any load or device is carried on the bomb shackle, operation must be under restricted category.)USDA Forest Service · Lists 47 SeriesSTC SH4-494Full flow lube oil filter 30690B with element 1A0286.Winslow Aerofilter Corp · Lists 47 SeriesSTC SH4-612Conversion of Model 47G to Model 47G-2M.Southwest Heli Inc · Lists 47 SeriesSTC SH4-619Exhaust muffler.Northrop Corporation · Lists 47 SeriesSTC SH4-693Landing gear extended and electro-magnetic prospecting equipment installed.Texas Gulf Sulphur Co · Lists 47 SeriesSTC SH4-742Power takeoff unit at generator pad of Lycoming VO-435-A engine to drive centrifugal pump (Simplex ALCCS-1) for agricultural spraying operations.Stockton Helicopters · Lists 47 SeriesSTC SH4-826Franklin 6V-335-AIA engine.Economy Helicopters · Lists 47 SeriesSTC SH58WEThree-view camera mount and Wild RC-8 camera.Pictorial Crafts Inc · Lists 47 SeriesSTC SH59WETwin flow pump on Franklin engine lower generator drive pad and re- route of right-hand tail rotor cable.Simplex Manufacturing Co · Lists 47 SeriesSTC SH610EAFollowing modifications are compatible with each other and may be incorporated simultaneously: STCs SA479SW, SH21EA, SH163EA.Carson Helicopters IncSTC SH61WEBowles heli-tank on previously approved bomb shackle adapter assembly.USDA Forest Service · Lists 47 SeriesSTC SH62SWLong range fuel tanks.Petroleum Helicopters Inc · Lists 47 SeriesSTC SH6CESnow shoes.Johnson Flying Svc Inc · Lists 47 SeriesSTC SH73WESpray system with Simplex pump.Serv-Aero Engineering Inc · Lists 47 SeriesSTC SH799SWWater contact sensor.Lek-Trol Inc · Lists 47 SeriesSTC SH7CECargo carrier.Johnson Flying Svc Inc · Lists 47 SeriesSTC SH87SWDust, seeder, or spray kit 500.Saylor Flying Service · Lists 47 SeriesSTC SH95SWBell 47G-2 floats.Petroleum Helicopters Inc · Lists 47 SeriesSTC SH4-235Installed Franklin model 6V-335-A engine restricted to 200 hp.Aetna Helicopters IncSTC SH4-1555Spray equipment.Agricultural Aviation Engineering Company · Lists 47 SeriesSTC SA2350NMInstallation of Electronics International Inc digital carburetor/outside air temperature gauges listed on the attached continuation sheet and the associated accessories.Electronics InternationalSTC SA1INHelicopter bubble Series A, P/N 500-H.Plastal Manufacturing Ltd

Engine · Lycoming VO-435 series

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 SE01954SEInstallation of engine crankcase seal.Ly-Con Rebuilding Company · Lists VO-435-A1ASTC SE01966WIUse of GAMI G100UL High Octane Unleaded Avgas in spark ignition piston aircraft enginesGeneral Aviation Modifications Inc. · Lists VO-435-B1ASTC SE8628SWInstallation of oil nozzles for lubrication of cam and filters.Cygnet Aerospace Corp · Lists VO-435-A1A (O-435-21)STC SE4408SWMiscellaneous engine cylinder replacement parts.Continental Motors, Inc.STC SE7504SWInstallation of any or all parts listed on Airmotive Engineering Drawing List No. 852-1, Rev. 1, dated 10/4/88, or later FAA approved revision.Continental Motors, Inc.STC SE7665SWInstallation of parts listed on Airmotive List No. 8810-3, Rev 6.Continental Motors, Inc.STC SE8776SWInstallation of coated cylinders and piston rings.Continental Motors, Inc.STC SE2902NMLycoming valve cover gasketReal Gaskets Tennessee · Lists VO-435-A1A (O-435-21)STC SE144GLModify engine to increase compression ratio to 8.7:1.Scott's Bell 47 Inc · Lists VO-435-A1FSTC SE2500SWModification to higher compression ratio.Scott's Bell 47 Inc · Lists VO-435-A1ESTC SE2733SWModification to higher compression ratio.Scott's Bell 47 Inc · Lists VO-435-A1ESTC 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 SE09492SCInstallation and usage of Exxon 20W50 multigrade aircraft engine oil conforming to Exxon Oil formulation WS-3013.Exxon Company USASTC SE00350SEInstallation of sump mounted chip detector.Aviation Development Corporation · Lists VO-435-A1A (O-435-21)STC SE8023SWInstallation and usage of AEROSHELLShell Development CoSTC 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 CoSTC SE5924SWInstallation of stainless steel replacement exhaust studs on AVCO engines.Perrigo & Steele Aircraft Engr CompanySTC 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, IncSTC SE128NEUse of AMS/OIL 15W 50 synthetic piston aircraft oil in Avco engines.AMS/OILSTC SE959EAModification to higher compression ration.Agrotors, Inc · Lists VO-435-A1ESTC SE2-856American Bosch Induction vibrator VJR24B56X.Bell Helicopter Textron
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