# STCs that may be installed: Bell 47J-2 A list on [Bell 47J-2](https://openairdocs.org/model/bell-47j-2.md). In force first, then newest. The registry doesn’t record which STCs an aircraft has. Page 1 of 2 · 97 STCs - [STC SA800EA](https://openairdocs.org/stc/SA800EA.md): Installation of Whelen Anti-Collision, Position, or Anti-Collision/Position Light System, and applicable associated power supplies · Whelen Aerospace Technologies - [STC SH3319NM](https://openairdocs.org/stc/SH3319NM.md): Installation of Precise Flight Pulselite Control Unit in the Landing /Taxi Recognition Visual Control Light system, · Precise Flight Inc - [STC SH1152NW](https://openairdocs.org/stc/SH1152NW.md): Installation of the Automatic Flagman Model 135 Control Stick Grip · Air Products & Parts LLC - [STC SR09066RC](https://openairdocs.org/stc/SR09066RC.md): Fabricate the HAC-47-3 Tail Rotor Blade. · Scott's-Bell 47 Inc - [STC SR02704SE](https://openairdocs.org/stc/SR02704SE.md): Installation and maintenance of the Sunspot 36 and 46 series lights · AeroLED's Holdings LLC - [STC SA02268CH](https://openairdocs.org/stc/SA02268CH.md): Installation of Airwolf Filter Corp. Air Oil Separator · Airwolf Filter Corporation - [STC SA615EA](https://openairdocs.org/stc/SA615EA.md): Installation of a Whelen Anti-Collision Strobe Light System as replacement for originally installed anti-collision lights. · Whelen Aerospace Technologies - [STC SR00359BO](https://openairdocs.org/stc/SR00359BO.md): Installation of Parmetheus Plus LED PAR36 and PAR46 taxi and landing lights. · Whelen Aerospace Technologies - [STC SR00408NY](https://openairdocs.org/stc/SR00408NY.md): Installation of Airwolf remote mounted engine oil filter model AFC-600. · Airwolf Filter Corporation - [STC SR02487AK](https://openairdocs.org/stc/SR02487AK.md): Installation of L-3 Communications Avionics Systems ESI-500 Standby Instrument System · ADS-B Technologies, LLC - [STC SR02470AK](https://openairdocs.org/stc/SR02470AK.md): Installation of the L-3 Communications NGT -1000/2000/2500 ADS-B System · ADS-B Technologies, LLC - [STC SR02471AK](https://openairdocs.org/stc/SR02471AK.md): Installation of the L-3 Communications NGT -9000/9000R ADS-B System · ADS-B Technologies, LLC - [STC SR02394AK](https://openairdocs.org/stc/SR02394AK.md): Replacement of existing landing and/or hover light bulbs with Light Emitting Diode (LED) lighting system · Seaplanes North LLC - [STC SR09321RC](https://openairdocs.org/stc/SR09321RC.md): Installation of Improved Main Rotor Grips and Matching Adapter Nut · Scott's Bell 47 Inc - [STC SH194WE](https://openairdocs.org/stc/SH194WE.md): Installation of a Jasco Alternator Part No. 7555-1 24-volt system · Hartzell Engine Technologies, LLC - [STC SR09346RC](https://openairdocs.org/stc/SR09346RC.md): Installation of main rotor blade grip with modified root radius and matching adapter in accordance with Helicopter Tech, Inc., Drawing List R47-120-252-1000, Revision IR, dated May 15, 2002, or later Federal Aviation Administration (FAA) approved revision. · Helicopter Tech Inc. - [STC SA00068SE](https://openairdocs.org/stc/SA00068SE.md): Installation of fuel flow/pressure instruments. (W/TSIO-360-MB1) · Electronics International Inc. - [STC SA2693NM](https://openairdocs.org/stc/SA2693NM.md): Installation of Electronics International digital volt/amp gauges and accessories. · Electronics International Inc. - [STC SA02033AT](https://openairdocs.org/stc/SA02033AT.md): Modification to install an air-oil separator to prevent oil from being aspirated from the engine breather line. · M-20 Oil Separators LLC - [STC SA00680SE](https://openairdocs.org/stc/SA00680SE.md): Installation of Electronics International model UBG-16 or UBG-16T bar graph engine analyzer. · Electronics International - [STC SA01258SE](https://openairdocs.org/stc/SA01258SE.md): Installation 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 SA489EA](https://openairdocs.org/stc/SA489EA.md): Installation of ARP Inc. carburetor ice detection system · Aircraft & Rotorcraft Products (ARP) Inc - [STC SA02520AT](https://openairdocs.org/stc/SA02520AT.md): Installation of M-20 Oil Separator, model 600-WP. · M-20 Oil Separators LLC - [STC SH102WE](https://openairdocs.org/stc/SH102WE.md): Installation of automatic flagman model 5. · R-S Sales Inc. - [STC SA2687NM](https://openairdocs.org/stc/SA2687NM.md): Installation of Truboplus/ Electronics Int'l gauges and switches. · Aero Manufacturing Inc. - [STC SH12CE](https://openairdocs.org/stc/SH12CE.md): Replace existing engine induction air filter with AC Spark Plug Filter. · Brackett Aero Filters Inc. - [STC SA1626NM PAGE 1](https://openairdocs.org/stc/SA1626NM%20PAGE%201.md): Installation of Electronics Int'l Digital EGT/CHT Instruments and accessories. (201 Series) · Electronics International - [STC SH8442SW](https://openairdocs.org/stc/SH8442SW.md): Installation of a float assembly. · Aero Products, Inc - [STC SA2844CE](https://openairdocs.org/stc/SA2844CE.md): Installation of a plastic cap enclosure over the anti-collision strobe light system. · Air Transport Inc - [STC SA2350NM PAGE 1](https://openairdocs.org/stc/SA2350NM%20PAGE%201.md): Installation of Electronics International Inc digital carburetor/outside air temperature gauges · Electronics International - [STC SA4302NM](https://openairdocs.org/stc/SA4302NM.md): Installation of Electronics Int'l digital automatic engine analyzer. · Electronics International - [STC SA3862NM PAGE 1](https://openairdocs.org/stc/SA3862NM%20PAGE%201.md): Installation of Electronics International Primary TIT/EGT/CHT instruments, remote switches and associated accessories. · Electronics International - [STC SA4173NM](https://openairdocs.org/stc/SA4173NM.md): Installation of Simplex Model 7600 modular electrical system. (47G-5 WITH 12 VOLT SYSTEM) · Simplex Manufacturing Company - [STC SH4173NM](https://openairdocs.org/stc/SH4173NM.md): Installation of Simplex Model 7600 modular electrical system. (US ARMY OH-13E M74A) · Simplex Manufacturing Company - [STC SA2190NM PAGE 1](https://openairdocs.org/stc/SA2190NM%20PAGE%201.md): Installation of electronics International Digital Volt/Amp Gauges and Accessories. · Electronics International - [STC SH505GL](https://openairdocs.org/stc/SH505GL.md): Installation of modified tail rotor gearbox using original installation hardware and components. · Helicopters, Inc - [STC SH25SW](https://openairdocs.org/stc/SH25SW.md): Transceivers KY90, KY90E, KY90H, KY95, KY95E, and KY95H. · Honeywell International Inc · Lists 47 Series - [STC SH199WE](https://openairdocs.org/stc/SH199WE.md): Installation of stirrup assemblies to directional control pedals for operation by handicapped pilot. · Dallwig Barry C - [STC SA584WE](https://openairdocs.org/stc/SA584WE.md): Installation of oil filter assemblies. · Nelson Filter - [STC SA105NW](https://openairdocs.org/stc/SA105NW.md): Mounting and wiring for occasional installation and use of Barnes Engineering Company airborne fire spotter system. · State of Washington - [STC SH252SW](https://openairdocs.org/stc/SH252SW.md): Bendix 100-ampere generator30E16-11C. · Ward Intl Aircraft Service · Lists 47 Series - [STC SH5-25](https://openairdocs.org/stc/SH5-25.md): Installation of tundra snow shoes. · ERA Helicopters, Inc · Lists 47 Series - [STC SH4-1512](https://openairdocs.org/stc/SH4-1512.md): Installation of adapter assembly for bomb shackel, or cargo hook. · USDA Forest Service · Lists 47 Series - [STC SH48WE](https://openairdocs.org/stc/SH48WE.md): Installation of turbosupercharged Lycoming TVO-435-B1A engine. · Jobmaster Co Inc - [STC SH479SW](https://openairdocs.org/stc/SH479SW.md): 6V350A engine. · Franklin Engine Co Inc · Lists 47 Series - [STC SH4-1315](https://openairdocs.org/stc/SH4-1315.md): Seeding accessory. · Rollinger Bernard J · Lists 47 Series - [STC SA5-24](https://openairdocs.org/stc/SA5-24.md): Additional seat belt fittings to provide individual belts. · ERA Helicopters Inc · Lists 47 Series - [STC SA5-34](https://openairdocs.org/stc/SA5-34.md): Northern radio 414. · ERA Helicopters Inc · Lists 47 Series - [STC SA5-35](https://openairdocs.org/stc/SA5-35.md): Northern radio 414. · ERA Helicopters Inc · Lists 47 Series - [STC SA5-38](https://openairdocs.org/stc/SA5-38.md): Northern radio N412. · ERA Helicopters Inc · Lists 47 Series Next page: https://openairdocs.org/model/bell-47j-2/stcs.md?page=2 ## The whole list in SQL Runs in DuckDB 1.2 or later on the release's Parquet files over HTTPS: ```sql 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 ('1181104') 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 ``` This list as a web page: https://openairdocs.org/model/bell-47j-2/stcs --- OpenAirDocs.org is an independent research project of [Contrail Labs](https://contraillabs.com/). It is not affiliated with the FAA or the NTSB. Source documents are U.S. government works in the public domain.