The STC search system is a complimentary service provided to the aviation community. We hope you find it useful. We do not provide access to STC engineering. For that you need to contact the STC holder directly. Our primary product is a comprehensive library of aviation regulations and standards, including tools for generating Airworthiness Directive compliance reports.

No. of STCs: 12

STC Holder: Heli-One USA Inc 9000 Trinity Blvd., Hurst, TX 76053, United States		If you are an STC Holder, Contact us to have your company added here!
STC No.: SH3563SW	Status: Historical	App Date: 07/17/1985	Rev Date: 12/09/2010
Description: Installation of Spectrolab SX-16 searchlight.
TC Nos.: H4SW
Models: Bell Helicopter Textron412
ACO: Ft. Worth ACO Branch, Tel: +1 (817) 222-5140

STC Holder: Heli-One USA Inc 9000 Trinity Blvd., Hurst, TX 76053, United States		If you are an STC Holder, Contact us to have your company added here!
STC No.: SH3570SW	Status: Historical	App Date: 10/01/1985	Rev Date: 12/09/2010
Description: Installation of forward facing single passenger seating arrangement.
TC Nos.: H4SW
Models: Bell Helicopter Textron412
ACO: Ft. Worth ACO Branch, Tel: +1 (817) 222-5140

STC Holder: Heli-One USA Inc 9000 Trinity Blvd., Hurst, TX 76053, United States		If you are an STC Holder, Contact us to have your company added here!
STC No.: SH3885SW	Status: Historical	App Date: 11/27/1987	Rev Date: 12/09/2010
Description: Installation of external fixed step.
TC Nos.: H4SW
Models: Bell Helicopter Textron Inc.412, 412EP
ACO: Ft. Worth ACO Branch, Tel: +1 (817) 222-5140

STC Holder: Heli-One USA Inc 9000 Trinity Blvd., Hurst, TX 76053, United States		If you are an STC Holder, Contact us to have your company added here!
STC No.: SH3887SW	Status: Historical	App Date: 08/31/1987	Rev Date: 12/09/2010
Description: Installation of emergency medical service interior, configuration A and B.
TC Nos.: H4SW
Models: Bell Helicopter Textron412, 412EP
ACO: Ft. Worth ACO Branch, Tel: +1 (817) 222-5140

STC Holder: Heli-One USA Inc 9000 Trinity Blvd., Hurst, TX 76053, United States		If you are an STC Holder, Contact us to have your company added here!
STC No.: SH7532SW	Status: Historical	App Date: 09/01/1988	Rev Date: 12/09/2010
Description: Installation of an electrically driven freon air conditioning system.
TC Nos.: H4SW
Models: Bell Helicopter Textron412
ACO: Ft. Worth ACO Branch, Tel: +1 (817) 222-5140

STC Holder: Heli-One USA Inc 9000 Trinity Blvd., Hurst, TX 76053, United States		If you are an STC Holder, Contact us to have your company added here!
STC No.: SH7864SW	Status: Historical	App Date: 07/24/1990	Rev Date: 12/09/2010
Description: Installation of center medical attendant seat and tracks.
TC Nos.: H4SW
Models: Bell Helicopter Textron412
ACO: Ft. Worth ACO Branch, Tel: +1 (817) 222-5140

STC Holder: Heli-One USA Inc 9000 Trinity Blvd., Hurst, TX 76053, United States		If you are an STC Holder, Contact us to have your company added here!
STC No.: SH8476SW	Status: Historical	App Date: 06/04/1992	Rev Date: 12/09/2010
Description: Installation of a Lucas electric hoist.
TC Nos.: H4SW
Models: Bell Helicopter Textron Inc.412, 412EP
ACO: Ft. Worth ACO Branch, Tel: +1 (817) 222-5140

STC Holder: Heli-One USA Inc 9000 Trinity Blvd., Hurst, TX 76053, United States		If you are an STC Holder, Contact us to have your company added here!
STC No.: SR01968NY-D	Status: Historical	App Date: 05/27/2005	Rev Date: 04/20/2009
Description: Installation of medical interior.
TC Nos.: H13EU
Models: Eurocopter Deutschland GmbHMBB-BK 117 C-2
ACO: New York ACO Branch, Tel: +1 (516) 228-7300

STC Holder: Heli-One USA Inc 9000 Trinity Blvd., Hurst, TX 76053, United States		If you are an STC Holder, Contact us to have your company added here!
STC No.: SR02111NY-D	Status: Historical	App Date: 06/07/2005	Rev Date: 01/19/2006
Description: Installation of medical interior.
TC Nos.: H88EU
Models: Eurocopter Deutschland GmbHEC135
ACO: New York ACO Branch, Tel: +1 (516) 228-7300

STC Holder: Heli-One USA Inc 9000 Trinity Blvd., Hurst, TX 76053, United States		If you are an STC Holder, Contact us to have your company added here!
STC No.: SR02445NY-D	Status: Historical	App Date: 01/15/2008	Rev Date: 12/22/2008
Description: Installation of a Canadian Marconi (CMC) CMA-2012C in place of a RACAL 91 Doppler.
TC Nos.: H1NE
Models: Sikorsky Aircraft CorporationS-76C
ACO: New York ACO Branch, Tel: +1 (516) 228-7300

STC Holder: Heli-One USA Inc 9000 Trinity Blvd., Hurst, TX 76053, United States		If you are an STC Holder, Contact us to have your company added here!
STC No.: SR09162RC	Status: Historical	App Date: 03/20/1997	Rev Date: 12/09/2010
Description: Installation of a 6 Place EMS Litter system
TC Nos.: H4SW
Models: Bell Helicopter Textron Inc.212, 412, 412EP
ACO: Ft. Worth ACO Branch, Tel: +1 (817) 222-5140

STC Holder: Heli-One USA Inc 9000 Trinity Blvd., Hurst, TX 76053, United States		If you are an STC Holder, Contact us to have your company added here!
STC No.: SR09356RC	Status: Historical	App Date: 07/02/2002	Rev Date: 12/09/2010
Description: Installation of an Airborne Video System (AVS).
TC Nos.: H4SW
Models: Bell Helicopter Textron Inc.212, 412, 412CF, 412EP
ACO: Ft. Worth ACO Branch, Tel: +1 (817) 222-5140