# STCs approved under this data sheet: TCDS 2H3 A list on [TCDS 2H3](https://openairdocs.org/tcds/2H3.md). Current certificates first, most recently changed first. Page 1 of 4 · 176 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 SR12272SE](https://openairdocs.org/stc/SR12272SE.md): Installation of a Supplemental Lighting System · Aviation Specialties Unlimited Inc. - [STC SH100WE](https://openairdocs.org/stc/SH100WE.md): Installation of fiberglass baggage carriers. · Texas Transland LLC - [STC SH153WE](https://openairdocs.org/stc/SH153WE.md): Installation of Transland Model54170 agricultural spray system · Texas Transland LLC - [STC SH75WE](https://openairdocs.org/stc/SH75WE.md): Installation of Evergreen Helicopters, Inc. Model BG5 agricultural spreader · Erickson Incorporated - [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 SH2772SW](https://openairdocs.org/stc/SH2772SW.md): Revise mast controls and remove stabilizer bar and install control system. · Scott's-Bell 47 Inc - [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 SR01845SE](https://openairdocs.org/stc/SR01845SE.md): Installation of a barrier air filtration system · Cascade Flying Service LLC - [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 SH2348SW](https://openairdocs.org/stc/SH2348SW.md): Installation of Sprag System Kit P/N 74-612-153-1M Revision D, dated 9/17/14 · Scott's Bell 47 Inc - [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 SH1459SW](https://openairdocs.org/stc/SH1459SW.md): Long nose single place cabin, without doors, included in a modified center frame, modified controls to accommodate new cabin/center frame, modified hydraulic system, oil system, and instrument panel, modified tail boom and delete synchronized elevator to add a modified fuel system · Scott's Bell 47 Inc - [STC SH161WE](https://openairdocs.org/stc/SH161WE.md): Installation of exhaust muffler assembly. · Scott's Bell 47 Inc - [STC SH162WE](https://openairdocs.org/stc/SH162WE.md): Installation of exhaust muffler assembly. · Scott's Bell 47 Inc - [STC SH166GL](https://openairdocs.org/stc/SH166GL.md): Installation of Low Fuel Warning System · Scott's Bell 47 Inc - [STC SH1710GL](https://openairdocs.org/stc/SH1710GL.md): Install fixed elevator in lieu of synchronized elevator. · Scott's Bell 47 Inc - [STC SH2397SW](https://openairdocs.org/stc/SH2397SW.md): Installation of Ag-King 500B Spray System with 2 tanks (800 pounds total allowable), 32 foot boom on end of skid tubes and engine driven pump. · Scott's Bell 47 Inc - [STC SH279SW](https://openairdocs.org/stc/SH279SW.md): Modification 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 inside · Scott's Bell 47 Inc - [STC SH307SW](https://openairdocs.org/stc/SH307SW.md): Installation of Lycoming VO-540-B1B3 engine · Scott's Bell 47 Inc - [STC SH36WE](https://openairdocs.org/stc/SH36WE.md): Installation of C-4 Cabin Kit · Scott's Bell 47 Inc - [STC SH382SW](https://openairdocs.org/stc/SH382SW.md): Eligible 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 Inc - [STC SH504GL](https://openairdocs.org/stc/SH504GL.md): Installation of Lycoming VO-435-A1F engine modified · Scott's Bell 47 Inc - [STC SH605GL](https://openairdocs.org/stc/SH605GL.md): Removal of Avco Lycoming TV0-435-B1B Engine, Turbocharger, and related parts; and the installation. · Scott's Bell 47 Inc - [STC SH611SW](https://openairdocs.org/stc/SH611SW.md): Left and right door with tinted glass and sliding window. · Scott's Bell 47 Inc - [STC SH972SW](https://openairdocs.org/stc/SH972SW.md): Installation of copilot's rudder pedals. · Scott's Bell 47 Inc - [STC SR09321RC](https://openairdocs.org/stc/SR09321RC.md): Installation of Improved Main Rotor Grips and Matching Adapter Nut · Scott's Bell 47 Inc - [STC SH288WE](https://openairdocs.org/stc/SH288WE.md): Relocation of hydraulic pump from engine to main transmission to provide boosted controls during autorotation. · AIR ENTERPRISES, 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 SH963SW](https://openairdocs.org/stc/SH963SW.md): Installation of Bell Model 47G-2A-13-place wide cabin on the Bell Model 47G-5, retaining the 47G-5 instruments and pedestal. Limited to installation on serial number 7808 ONLY. · Texas Helicopter Co. 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 SA4172NM](https://openairdocs.org/stc/SA4172NM.md): Installation of Aviation Development oil filter. · Aviation Development Corporation - [STC SH657NW](https://openairdocs.org/stc/SH657NW.md): Installation of Allison 250-C18A, -C18C, -C20, -C20B engine and related changes. · Siam Hiller Holdings Inc - [STC SA593CH](https://openairdocs.org/stc/SA593CH.md): Install Champion SlickSTART magneto booster system. · Champion Aerospace LLC - [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 SR01430LA](https://openairdocs.org/stc/SR01430LA.md): Installation of Stainless Steel Skid shoes. · Papas Gary Los Angeles Laboratories Inc. - [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 SH1343SO](https://openairdocs.org/stc/SH1343SO.md): Installation of Utah Research& Development's Model 124BC101 airborne battery charger. · Aviall Services, Inc. - [STC SA02520AT](https://openairdocs.org/stc/SA02520AT.md): Installation of M-20 Oil Separator, model 600-WP. · M-20 Oil Separators LLC Next page: https://openairdocs.org/tcds/2H3/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 FROM 'https://openairdocs.org/data/latest/faa_stc.parquet' s WHERE s.stc_number IN (SELECT stc_number FROM 'https://openairdocs.org/data/latest/faa_stc_model.parquet' WHERE tcds_number = '2H3') ORDER BY s.status = 'Current' DESC, s.status_date DESC, s.stc_number ``` This list as a web page: https://openairdocs.org/tcds/2H3/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.