# STCs approved for this model: Bell 427 A list on [Bell 427](https://openairdocs.org/model/bell-427.md). Current certificates first. - [STC SR00359BO](https://openairdocs.org/stc/SR00359BO.md): Installation of Parmetheus Plus LED PAR36 and PAR46 taxi and landing lights. · Whelen Aerospace Technologies - [STC SR00418DE](https://openairdocs.org/stc/SR00418DE.md): Installation of cabin air conditioning system. · Air Comm Corporation - [STC SR00419DE](https://openairdocs.org/stc/SR00419DE.md): Installation of cabin heater. · Air Comm Corporation - [STC SR00472DE](https://openairdocs.org/stc/SR00472DE.md): Installation of mounting hardware to support blade folding kit. · Dart Aerospace USA Inc. - [STC SR00821DE](https://openairdocs.org/stc/SR00821DE.md): Installation of Automatic Dependent Surveillance - Broadcast (ADS-B) Out and in functionality using the BendixKing KT74 Transponder and qualified position sensor and ADS-B In Receiver · Peregrine - [STC SR01262NY](https://openairdocs.org/stc/SR01262NY.md): Installation of a FSI Ultra Media II, III, or Wescam camera and isolation mount. · Helipro International - [STC SR01266NY](https://openairdocs.org/stc/SR01266NY.md): Installation of Wire Strike Protection System (WSPS). · Bristol Aerospace Ltd - [STC SR01296NY](https://openairdocs.org/stc/SR01296NY.md): Installation of Electronic News Gathering System · HAS Corporation - [STC SR01456LA](https://openairdocs.org/stc/SR01456LA.md): Installation of Concorde RG407 Batteries · Rotorcraft Support Inc - [STC SR01520NY](https://openairdocs.org/stc/SR01520NY.md): Installation of bulkhead adapter assembly p/n 427-25-11-901-001. · Helipro International - [STC SR01532NY](https://openairdocs.org/stc/SR01532NY.md): Installation of D427-659 bearpaws and skis. · Dart Aerospace Limited - [STC SR01666NY](https://openairdocs.org/stc/SR01666NY.md): Installation of Helipro Sliding Windows. · ACROHelipro Global Services Inc. - [STC SR01813LA](https://openairdocs.org/stc/SR01813LA.md): Installation of Apical Industries, Inc. Emergency Float Kit. · Apical Industries, Inc. dba Dart Aerospace - [STC SR01935NY-D](https://openairdocs.org/stc/SR01935NY-D.md): Installation of a Honeywell Chadwick Model 15175 VXP System · Diagnostic Solution International LLC - [STC SR01953NY-D](https://openairdocs.org/stc/SR01953NY-D.md): Installation of a Honeywell Chadwick Model 15175 VXP System · Honeywell International Inc - [STC SR02070AT](https://openairdocs.org/stc/SR02070AT.md): Manufacture of Baggage Floor Protector in accordance with Aeronautical Accessories, Inc. Drawing List Report No. AA-98097, no revision, dated October 2, 1998, or later FAA approved revisions, and installation per Aeronautical Accessories, Inc. Report AA-98091, no revision, dated July 27, 1998, or later FAA approved revisions. · Bell Helicopter Textron Inc. - [STC SR02071AT](https://openairdocs.org/stc/SR02071AT.md): Manufacture of Replacement Crew Window in accordance with Aeronautical Accessories, Inc. Drawing List Report No. AA-98145, no revision, dated October 5, 1998, or later FAA approved revisions, and installation per Aeronautical Accessories, Inc. Report AA-98111, no revision, dated July 20, 1998, or later FAA approved revisions. · Bell Helicopter Textron Inc. - [STC SR02072AT](https://openairdocs.org/stc/SR02072AT.md): Manufacture of replacement passenger window. · Bell Helicopter Textron Inc. - [STC SR02074AT](https://openairdocs.org/stc/SR02074AT.md): Manufacture of Automatic Door Opener in accordance with Aeronautical Accessories, Inc. Drawing List Report AA-98109, no revision, dated October 30, 1998, or later FAA approved revisions, and installation per Aeronautical Accessories, Inc. Report AA-98099, no revision, dated July 7, 1998, or Report AA-98100, no revision, dated August 14, 1998, or Report AA-98105, no revision, dated July 9, 1998, or later FAA approved revision. · Bell Helicopter Textron Inc. - [STC SR02075AT](https://openairdocs.org/stc/SR02075AT.md): Manufacture of Folding maintenance Step Assembly in accordance with Aeronautical Accessories, Inc. Drawing List Report No. AA-98066, no revision, dated October 1, 1998, or later FAA approved revisions, and installation per Aeronautical Accessories, Inc Report AA-98082, no revision, dated September 16, 1998, or later FAA approved revisions. · Bell Helicopter Textron Inc. - [STC SR02076AT](https://openairdocs.org/stc/SR02076AT.md): Manufacture of Pre-Flight Step/Handle in accordance with Aeronautical Accessories, Inc. Drawing List Report No. AA-98110, no revision, dated October 2, 1998, or later FAA approved revisions, and installation per Aeronautical Accessories, Inc. Report AA-98098, no revision, dated July 7, 1998, or later FAA approved revisions. · Bell Helicopter Textron Inc. - [STC SR02077AT](https://openairdocs.org/stc/SR02077AT.md): Manufacture of Cyclic support Safety Cover. · Bell Helicopter Textron Inc. - [STC SR02124SE](https://openairdocs.org/stc/SR02124SE.md): Installation functionality. of Data Garmin Required: transponders: (1) Garmin GTX Master 345/345R Drawing with List ADS-B (MDL), Out and In 005-00734-A4, functionality; · Garmin International Inc - [STC SR02196AT](https://openairdocs.org/stc/SR02196AT.md): Manufacture of Flitestep /Floatstep in accordance with Aeronautical Accessories, Inc. Drawing List Report No. AA-98149, Revision C, dated August 31, 2000, or later FAA approved revisions, and installation per Aeronautical Accessories, Inc. Report AA-98150, Revision B, dated April 24, 2000, or installation per Aeronautical Accessories, Inc. Report AA-99093, Revision C, dated April 24, 2000, or installation per Aeronautical Accessories, Inc. Report AA-00011, Revision A, dated April 24, 2000, or later FAA approved revisions. · Bell Helicopter Textron Inc. - [STC SR02205AT](https://openairdocs.org/stc/SR02205AT.md): Tail Rotor Pedal Lockout Kit in accordance with Aeronautical Accessories, Inc. Drawing List AA-93088, Revision K, dated August 1, 2000, or later FAA approved revisions. Installation per Aeronautical Accessories, Inc. Report AA-00052, Revision A, dated August 1, 2000, or later FAA approved revisions. · Bell Helicopter Textron Inc. - [STC SR02287AK](https://openairdocs.org/stc/SR02287AK.md): Installation of Airglas, Inc., L2700-427 Ski Kit. · Airglas Inc. - [STC SR02304AT](https://openairdocs.org/stc/SR02304AT.md): Cabin Floor Protectors manufactured · Bell Helicopter Textron Inc. - [STC SR02381AT](https://openairdocs.org/stc/SR02381AT.md): Installation of passenger sliding doors. · Bell Helicopter Textron Inc. - [STC SR02382AT](https://openairdocs.org/stc/SR02382AT.md): Installation of a cargo mirror in accordance with Aeronautical Accessories, Inc. (AAI) Master Drawing List Report AA-98157, Revision A, dated November 20, 2000, or later FAA approved revision. · Bell Helicopter Textron Inc. - [STC SR02432NY-D](https://openairdocs.org/stc/SR02432NY-D.md): Installation Chelton FlightLogic Electronic Flight Instrument System (EFIS) · Sikorsky Aircraft Corporation - [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 SR02487AK](https://openairdocs.org/stc/SR02487AK.md): Installation of L-3 Communications Avionics Systems ESI-500 Standby Instrument System · ADS-B Technologies, LLC - [STC SR02496LA](https://openairdocs.org/stc/SR02496LA.md): Installation of a single Garmin G500H system · Rotorcraft Support Inc - [STC SR02622SE](https://openairdocs.org/stc/SR02622SE.md): Installation of Garmin G500H TXi Display System (Primary Flight Display (PDF), Multi-Function Display (MFD)) · Garmin International 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 SR09395RC](https://openairdocs.org/stc/SR09395RC.md): Installation of Supplemental Baggage Compartment Floor in accordance with Aeronautical Accessories, Inc., Drawing List Report No. AA-03047, Revision A, dated September 4, 2003, or later Federal Aviation Administration (FAA) approved revision. · Bell Helicopter Textron Inc. ## 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 model_key = '427') ORDER BY s.status = 'Current' DESC, s.stc_number ``` This list as a web page: https://openairdocs.org/model/bell-427/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.