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: 9

STC Holder: Hillsboro Aviation, Inc. 3565 NE Cornell Road, Hillsboro, OR 97124, United States		If you are an STC Holder, Contact us to have your company added here!
STC No.: SH2691NM	Status: Historical	App Date: 03/13/1984	Rev Date: 04/12/2013
Description: Fabrication, installation, and maintenance of the Vertical Reference Door
TC Nos.: H1SW
Models: Bell Helicopter Textron Inc.205A, 205A-1, 205B
ACO: Seattle ACO Branch, Tel: +1 (206) 231-3500

STC Holder: Hillsboro Aviation, Inc. 3565 NE Cornell Road, Hillsboro, OR 97124, United States		If you are an STC Holder, Contact us to have your company added here!
STC No.: SH2692NM	Status: Historical	App Date: 03/12/1984	Rev Date: 04/12/2013
Description: Installation of a Dual Electric Boost Pump System.
TC Nos.: H1SW
Models: Bell Helicopter Textron Inc.205A-1
ACO: Seattle ACO Branch, Tel: +1 (206) 231-3500

STC Holder: Hillsboro Aviation, Inc. 3565 NE Cornell Road, Hillsboro, OR 97124, United States		If you are an STC Holder, Contact us to have your company added here!
STC No.: SH4305NM	Status: Historical	App Date: 10/27/1986	Rev Date: 04/12/2013
Description: Installation of Centrisep AE-A170-5, -6, or -7 Air Cleaners
TC Nos.: H1SW
Models: Bell Helicopter Textron Inc.205A, 205A-1, 205B
ACO: Seattle ACO Branch, Tel: +1 (206) 231-3500

STC Holder: Hillsboro Aviation, Inc. 3565 NE Cornell Road, Hillsboro, OR 97124, United States		If you are an STC Holder, Contact us to have your company added here!
STC No.: SH4775NM	Status: Historical	App Date: 05/15/1989	Rev Date: 04/12/2013
Description: Installation of a manual fuel start switch
TC Nos.: H1SW
Models: Bell Helicopter Textron Inc.205A-1
ACO: Seattle ACO Branch, Tel: +1 (206) 231-3500

STC Holder: Hillsboro Aviation, Inc. 3565 NE Cornell Road, Hillsboro, OR 97124, United States		If you are an STC Holder, Contact us to have your company added here!
STC No.: SH5122NM	Status: Historical	App Date: 03/02/1990	Rev Date: 04/12/2013
Description: Installation of Howell H2900K-436 Exhaust Gas Temperature Indicator
TC Nos.: H1SW
Models: Bell Helicopter Textron Inc.204B, 205A-1, 205B
ACO: Seattle ACO Branch, Tel: +1 (206) 231-3500

STC Holder: Hillsboro Aviation, Inc. 3565 NE Cornell Road, Hillsboro, OR 97124, United States		If you are an STC Holder, Contact us to have your company added here!
STC No.: SH5132NM	Status: Historical	App Date: 03/02/1990	Rev Date: 04/12/2013
Description: Installation of new rotor blades and associated hardware
TC Nos.: H1SW
Models: Bell Helicopter Textron Inc.205A-1
ACO: Seattle ACO Branch, Tel: +1 (206) 231-3500

STC Holder: Hillsboro Aviation, Inc. 3565 NE Cornell Road, Hillsboro, OR 97124, United States		If you are an STC Holder, Contact us to have your company added here!
STC No.: SH5797NM	Status: Historical	App Date: 02/11/1991	Rev Date: 04/12/2013
Description: Installation, maintenance, and operation of an engine wash kit
TC Nos.: H1SW
Models: Bell Helicopter Textron Inc.204B, 205A, 205A-1
ACO: Seattle ACO Branch, Tel: +1 (206) 231-3500

STC Holder: Hillsboro Aviation, Inc. 3565 NE Cornell Road, Hillsboro, OR 97124, United States		If you are an STC Holder, Contact us to have your company added here!
STC No.: SH5977NM	Status: Historical	App Date: 06/15/1992	Rev Date: 04/12/2013
Description: This supplemental type certificate (STC) applies to the model 205A-1 with either the T5317A or T5317B engine modified by STCs SH2394NM and SH5132NM, and the 210 helicopters (no modifications required) when operated with nine (9) or less passengers
TC Nos.: H1SW
Models: Bell Helicopter Textron Inc.205A-1, 210
ACO: Seattle ACO Branch, Tel: +1 (206) 231-3500

STC Holder: Hillsboro Aviation, Inc. 3565 NE Cornell Road, Hillsboro, OR 97124, United States		If you are an STC Holder, Contact us to have your company added here!
STC No.: SR00364SE	Status: Current	App Date: 02/05/1996	Rev Date: 03/09/1998
Description: Relocation of pilot instruments and mounting of external load release switch on left seat cyclic control.
TC Nos.: H2SW
Models: Bell Helicopter Textron (Canada)206L-1
ACO: AIR-770: West Certification Branch SEA