N147WB

STCs that may be installed · 156

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 = '1181026'
      UNION ALL SELECT stc_number, 2, 'engine', matched_model FROM 'https://openairdocs.org/data/latest/faa_engine_model_stc.parquet' WHERE engine_model_code = '41516')
    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-3B

STC SH4173NMInstallation of Simplex Model 7600 modular electrical system. (US ARMY OH-13E M74A)Simplex Manufacturing CompanySTC SH2945NMAddition of a twist grip on the cyclic pitch stick to provide hand operated yaw controlNarad James LSTC SH3351NMAddition of a twist grip on the cyclic pitch stick to provide a hand operated yaw control.Narad James L · Lists 47 SeriesSTC SA2190NM PAGE 1Installation of electronics International Digital Volt/Amp Gauges and Accessories.Electronics InternationalSTC SH507GLInstallation of modified tail rotor gearbox using original installation hardware and components.Helicopters, IncSTC SH856NWInstallation of Simplex Model 4800 spray system.Simplex Manufacturing CoSTC SH404GLInstallation of Lycoming VO-435-A1 engine.Agri Helicopter, IncSTC SH888NWInstallation of a Simplex Model 5750 spray system.Simplex Manufacturing CoSTC SH889NWInstallation of a Simplex Model 4850 spray system.Simplex Manufacturing CoSTC SH890NWInstallation of a Simplex Model 4700 spray system.Simplex Manufacturing CoSTC SH891NWInstallation of a Simplex Model 5600 spray system.Simplex Manufacturing CoSTC SH25SWTransceivers KY90, KY90E, KY90H, KY95, KY95E, and KY95H.Honeywell International Inc · Lists 47 SeriesSTC SH787NWInstallation of model 5700 spray system.Simplex Manufacturing CoSTC SH193WEInstallation of a Jasco Alternator Part No. 7555-1 24 volt systemHartzell Engine Technologies, LLCSTC SH2840SWChemical spray boom.Warnell CompanySTC SH5CEInstallation of Simplex Manufacturing Company 32 foot agricultural spray boom assembly.Simplex Manufacturing CoSTC SH227GLInstallation of Lycoming VO-435-A1F engine.Agri Helicopter, IncSTC SH95WEInstallation of low profile spray system.Simplex Manufacturing CoSTC SA357SWInstallation of Simplex spray kit.Simplex Manufacturing CoSTC SH357SWInstallation of Simplex Manufacturing spray kit.Simplex Manufacturing CompanySTC SH157GLInstallation of Lycoming VO-435-A1F engine.Agri Helicopter, IncSTC SH214NWInstallation of Simplex Model 4100 Aerial Dust System.Simplex Manufacturing CoSTC SH175WERemoval of generator and installa- tion of Ford-GPD alternator.TORQAIDSTC SH173WEInstallation of derated Lycoming TVO-435-B1A or TVO-435-B1B engine in lieu of TVO-435-A1A engine using existing TVO-435-A1A installation components.Western Helicopters, IncSTC SA584WEInstallation of oil filter assemblies.Nelson FilterSTC SH986EAInstallation of Avco Lycoming engine Model TVO-435-B1A(0-435-25A) in lieu of model TVO-4350A1A.Nassau County Police DeptSTC SA105NWMounting and wiring for occasional installation and use of Barnes Engineering Company airborne fire spotter system.State of WashingtonSTC SH252SWBendix 100-ampere generator30E16-11C.Ward Intl Aircraft Service · Lists 47 SeriesSTC SH143WEInstallation of a 12 volt, 40 ampere alternator on auxiliary power takeoff pad.USDA Forest ServiceSTC SH141WEInstallation of aerial seeder.Simplex Manufacturing CoSTC SH88WEInstallation of cargo hook.Patterson Thomas ASTC SH381ALInstallation of cargo baskets.Alaskan Sky-Craft CoSTC SH5-25Installation of tundra snow shoes.ERA Helicopters, Inc · Lists 47 SeriesSTC SH4-1512Installation of adapter assembly for bomb shackel, or cargo hook.USDA Forest Service · Lists 47 SeriesSTC SH104WEInstallation of Nightsun SX-16 or SX-16C Searchlight.Spectrolab · Lists 47 SeriesSTC SH101WEReplacement of existing 50 ampere generator with 100 ampere RWS-985-1340 generator.Aviation Power Supply Inc · Lists 47 SeriesSTC SH48WEInstallation of turbosupercharged Lycoming TVO-435-B1A engine.Jobmaster Co Inc · Lists 47 SeriesSTC SH176EAStewart-Warner heater.E W Wiggins Airways Inc · Lists 47 SeriesSTC SH479SW6V350A engine.Franklin Engine Co Inc · Lists 47 SeriesSTC SH5WEInstallation of Cargo Sling and HookHelicopter Mechanics SvcSTC SH4-1315Seeding accessory.Rollinger Bernard J · Lists 47 SeriesSTC SA5-24Additional seat belt fittings to provide individual belts.ERA Helicopters Inc · Lists 47 SeriesSTC SA5-34Northern radio 414.ERA Helicopters Inc · Lists 47 SeriesSTC SA5-35Northern radio 414.ERA Helicopters Inc · Lists 47 SeriesSTC SA5-38Northern radio N412.ERA Helicopters Inc · Lists 47 SeriesSTC SH1-437Stewart-Warner combustion heater F-24, relocation of aircraft junction box and special centrifugal blower SP-151.Nutmeg Airways Corp · Lists 47 SeriesSTC SH1-509Lube oil filter PB55-1.Fram Corporation · Lists 47 SeriesSTC SH1-512Aircooled Motors 6VS-335A turbo- supercharged engine (derated).Carson Helicopters Inc · Lists 47 SeriesSTC SH1-67Franklin 6V-335-A engine.Aircooled Motors Inc · Lists 47 SeriesSTC SH112WEInstallation of box ejector for Codling Moth Control.USDA · Lists 47 Series
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