Bell 47

STCs that may be installed · 89

In force first, then newest. The registry doesn’t record which STCs an aircraft has.

Query with SQL
duckdb -csv -c "SELECT s.stc_number, s.description, s.holder, s.status, s.status_date, m.matched_model
  FROM (
    SELECT stc_number, min(matched_model) AS matched_model
    FROM 'https://openairdocs.org/data/latest/faa_aircraft_model_stc.parquet'
    WHERE aircraft_model_code IN ('1180602')
    GROUP BY stc_number
  ) m JOIN 'https://openairdocs.org/data/latest/faa_stc.parquet' s USING (stc_number)
  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 SH184SWCargo sling, 800 lbs. capacity. (Restricted category only.)Petroleum Helicopters IncSTC SH186SWLycoming VO-540-B1B3 engine, transmission, Bell 47-620-600-25(or -23 modified to -25 by Bell Helicopter Co.) oil cooler, Bell47-671-036-1, and associated changes. (Eligible on skiplane version of Bell 47G-2A only.)Campbell Air Service IncSTC SH19ALCargo racks.Intl HelicoptersSTC SH27WEJump-step.USDA Forest ServiceSTC SH3-473Heater.Chicago Heli Airways IncSTC SH3-517Engine exhuast cabin heating system.Skymotive IncSTC SH3-561Sunshade to reduce heat and glare in cockpit.Mississippi Valley Helicopters Inc.STC SH36ALTundra pads.Intl HelicoptersSTC SH4-1161Full flow lube oil filter 30690B with element 1A0286.Winslow Aerofilter CorpSTC SH4-1162Adapter assembly bomb shackle mounting fabrication and installation. (When any load or device is carried on the bomb shackle operation must be under restricted category.)USDA Forest ServiceSTC SH4-1332Cargo sling and shackle. (When any load is carried on this shackle, operations must be under restricted category.)USDA Forest ServiceSTC SH4-1340Spray pump 1-1/4 inch. (Restricted category only.)Simplex Manufacturing CoSTC SH4-1349Spray pump 1-1/4 inch. (Restricted category only.)Simplex Manufacturing CoSTC SH4-1392Pesco 1P-677 hydraulic pump.Comet CoptersSTC SH4-1419Exhaust muffler.Northrop CorporationSTC SH4-1499Exhaust mufflers.Comet CoptersSTC SH4-1604100-gallon borate tank.West-Figueroa TrustSTC SH4-1628Full flow lube oil filter 30690B with element 1A0286.Winslow Aerofilter CorpSTC SH4-1646Full flow lube oil filter 30690B with element 1A0286.Winslow Aerofilter CorpSTC SH4-1650Engine cooling fan shrouds.Air Carrier Interiors IncSTC 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 ServiceSTC SH4-494Full flow lube oil filter 30690B with element 1A0286.Winslow Aerofilter CorpSTC SH4-612Conversion of Model 47G to Model 47G-2M.Southwest Heli IncSTC SH4-619Exhaust muffler.Northrop CorporationSTC SH4-693Landing gear extended and electro-magnetic prospecting equipment installed.Texas Gulf Sulphur CoSTC 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 HelicoptersSTC SH4-826Franklin 6V-335-AIA engine.Economy HelicoptersSTC SH58WEThree-view camera mount and Wild RC-8 camera.Pictorial Crafts IncSTC SH59WETwin flow pump on Franklin engine lower generator drive pad and re- route of right-hand tail rotor cable.Simplex Manufacturing CoSTC SH61WEBowles heli-tank on previously approved bomb shackle adapter assembly.USDA Forest ServiceSTC SH62SWLong range fuel tanks.Petroleum Helicopters IncSTC SH6CESnow shoes.Johnson Flying Svc IncSTC SH73WESpray system with Simplex pump.Serv-Aero Engineering IncSTC SH799SWWater contact sensor.Lek-Trol IncSTC SH7CECargo carrier.Johnson Flying Svc IncSTC SH87SWDust, seeder, or spray kit 500.Saylor Flying ServiceSTC SH95SWBell 47G-2 floats.Petroleum Helicopters IncSTC SH4-1555Spray equipment.Agricultural Aviation Engineering CompanySTC SA2350NMInstallation of Electronics International Inc digital carburetor/outside air temperature gauges listed on the attached continuation sheet and the associated accessories.Electronics International
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