N347WM

STCs that may be installed · 120

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 = '1180802')
    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 47D1

STC SA800EAInstallation of Whelen Anti-Collision, Position, or Anti-Collision/Position Light System, and applicable associated power suppliesWhelen Aerospace TechnologiesSTC SA5581SWInstallation of ALCOR true-flow/ totalizer systemAlcor LLCSTC SH3319NMInstallation of Precise Flight Pulselite Control Unit in the Landing /Taxi Recognition Visual Control Light system,Precise Flight IncSTC SH1152NWInstallation of the Automatic Flagman Model 135 Control Stick GripAir Products & Parts LLCSTC SR09066RCFabricate the HAC-47-3 Tail Rotor Blade.Scott's-Bell 47 IncSTC SR02704SEInstallation and maintenance of the Sunspot 36 and 46 series lightsAeroLED's Holdings LLCSTC SA02268CHInstallation of Airwolf Filter Corp. Air Oil SeparatorAirwolf Filter CorporationSTC SH2772SWRevise mast controls and remove stabilizer bar and install control system.Scott's-Bell 47 IncSTC SA615EAInstallation of a Whelen Anti-Collision Strobe Light System as replacement for originally installed anti-collision lights.Whelen Aerospace TechnologiesSTC SR00359BOInstallation of Parmetheus Plus LED PAR36 and PAR46 taxi and landing lights.Whelen Aerospace TechnologiesSTC SR00408NYInstallation of Airwolf remote mounted engine oil filter model AFC-600.Airwolf Filter CorporationSTC SR02487AKInstallation of L-3 Communications Avionics Systems ESI-500 Standby Instrument SystemADS-B Technologies, LLCSTC SR02471AKInstallation of the L-3 Communications NGT -9000/9000R ADS-B SystemADS-B Technologies, LLCSTC SR02394AKReplacement of existing landing and/or hover light bulbs with Light Emitting Diode (LED) lighting systemSeaplanes North LLCSTC SH13WEConversion of Bell Model 47D1 to(1) Model 47G-2 (2) Model 47GScott's Bell 47 IncSTC SH213WEInstallation of exhaust muffler assembly.Scott's Bell 47 IncSTC SH279SWModification of dual control cyclic stick into quick removable stick similar to Bell 47A stick by cutting off the stick and making an insert of 4130 steel tube to fit insideScott's Bell 47 IncSTC SH283SWChange battery location from dual positions in aft and forward locations to one fixed position under the oil cooler on center frame bottom tubes and installation of ballastScott's Bell 47 IncSTC SH382SWEligible only on Bell 47 series with open tail booms. Installation of sign per Kitz Kopter's Drawing KK-101 dated 10/14/64.Scott's Bell 47 IncSTC SH397SWInstallation of hydraulic boost kit.Scott's Bell 47 IncSTC SH529SWInstallation of Franklin 6V-350-A engine.Scott's Bell 47 IncSTC SH588SWConversion to single-place cabin, without doors, revised cyclic and collective and throttle controls, rerouted electrical wiring.Scott's Bell 47 IncSTC SH611SWLeft and right door with tinted glass and sliding window.Scott's Bell 47 IncSTC SH752SWCenterframe modification or replacement and installation of Lycoming VO-435 engine in lieu of Franklin installation and optional lateral control system.Scott's Bell 47 IncSTC SH888SWUse of spacer in lieu of snap ring on tail rotor drive quill.Scott's Bell 47 IncSTC SH972SWInstallation of copilot's rudder pedals.Scott's Bell 47 IncSTC SR09321RCInstallation of Improved Main Rotor Grips and Matching Adapter NutScott's Bell 47 IncSTC SR09341RCInstallation of the main rotor grips with integral drag brace clevis, new drag brace, and matching adapter nut for wood blade configurationsScott's Bell 47 IncSTC SR09454RCInstallation approval of a new engine mount assembly and lateral cyclic control support assembly.Scott's Bell 47 IncSTC SH1007SWModify tail rotor pitch change mechanism to add duplex bearing, (P/N 47-641-131-1) in place of single row bearing. Approved for Bell models 47D1, 47G, and 47G-2 with 47-640-044 tail rotor gear box assembly.Texas Helicopter Co. IncSTC SA00068SEInstallation of fuel flow/pressure instruments. (W/TSIO-360-MB1)Electronics International Inc.STC SA2693NMInstallation of Electronics International digital volt/amp gauges and accessories.Electronics International Inc.STC SA4172NMInstallation of Aviation Development oil filter.Aviation Development CorporationSTC SA02033ATModification to install an air-oil separator to prevent oil from being aspirated from the engine breather line.M-20 Oil Separators LLCSTC SA00680SEInstallation of Electronics International model UBG-16 or UBG-16T bar graph engine analyzer.Electronics InternationalSTC SR01430LAInstallation of Stainless Steel Skid shoes.Papas Gary Los Angeles Laboratories Inc.STC SA01258SEInstallation of the Automatic Flagman Dispenser Models in accordance with Automatic Flagman Master Drawing Lists specified in attached AML, or later FAA approved revision.This STC supercedes several existing STC s as listed in the notes on the attached AML.R-S Sales Inc.STC SA489EAInstallation of ARP Inc. carburetor ice detection systemAircraft & Rotorcraft Products (ARP) IncSTC SA02520ATInstallation of M-20 Oil Separator, model 600-WP.M-20 Oil Separators LLCSTC SH102WEInstallation of automatic flagman model 5.R-S Sales Inc.STC SA2687NMInstallation of Truboplus/ Electronics Int'l gauges and switches.Aero Manufacturing Inc.STC SA1626NM PAGE 1Installation of Electronics Int'l Digital EGT/CHT Instruments and accessories. (201 Series)Electronics InternationalSTC SA2844CEInstallation of a plastic cap enclosure over the anti-collision strobe light system.Air Transport IncSTC SA2350NM PAGE 1Installation of Electronics International Inc digital carburetor/outside air temperature gaugesElectronics InternationalSTC SA4302NMInstallation of Electronics Int'l digital automatic engine analyzer.Electronics InternationalSTC SA3862NM PAGE 1Installation of Electronics International Primary TIT/EGT/CHT instruments, remote switches and associated accessories.Electronics InternationalSTC SA4173NMInstallation of Simplex Model 7600 modular electrical system. (47G-5 WITH 12 VOLT SYSTEM)Simplex Manufacturing Company · Lists 47 SeriesSTC 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 Series
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