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: 11

STC Holder: Hillsboro Aviation Inc 3845 NE 30th Avenue, Hillsboro, OR 97124, United States		If you are an STC Holder, Contact us to have your company added here!
STC No.: SH2394NM	Status: Current	App Date: 08/19/1983	Rev Date: 06/07/2016
Description: Installation of AlliedSignal T5371A and T5317B engines in a Bell 205A-1 helicopter.
TC Nos.: H1SW
Models: Bell Helicopter Textron Inc.205A-1, 205B
ACO: AIR-770: West Certification Branch SEA

STC Holder: Hillsboro Aviation Inc 3845 NE 30th Avenue, Hillsboro, OR 97124, United States		If you are an STC Holder, Contact us to have your company added here!
STC No.: SH2691NM	Status: Current	App Date: 03/13/1984	Rev Date: 06/07/2016
Description: Fabrication, installation, and maintenance of the Vertical Reference Door
TC Nos.: H1SW
Models: Bell Helicopter Textron Inc.205A, 205A-1, 205B
ACO: AIR-770: West Certification Branch SEA

STC Holder: Hillsboro Aviation Inc 3845 NE 30th Avenue, Hillsboro, OR 97124, United States		If you are an STC Holder, Contact us to have your company added here!
STC No.: SH2692NM	Status: Current	App Date: 03/12/1984	Rev Date: 06/07/2016
Description: Installation of a Dual Electric Boost Pump System.
TC Nos.: H1SW
Models: Bell Helicopter Textron Inc.205A-1
ACO: AIR-770: West Certification Branch SEA

STC Holder: Hillsboro Aviation Inc 3845 NE 30th Avenue, Hillsboro, OR 97124, United States		If you are an STC Holder, Contact us to have your company added here!
STC No.: SH4305NM	Status: Current	App Date: 10/27/1986	Rev Date: 06/07/2016
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: AIR-770: West Certification Branch SEA

STC Holder: Hillsboro Aviation Inc 3845 NE 30th Avenue, Hillsboro, OR 97124, United States		If you are an STC Holder, Contact us to have your company added here!
STC No.: SH4775NM	Status: Current	App Date: 05/15/1989	Rev Date: 06/07/2016
Description: Installation of a manual fuel start switch
TC Nos.: H1SW
Models: Bell Helicopter Textron Inc.205A-1
ACO: AIR-770: West Certification Branch SEA

STC Holder: Hillsboro Aviation Inc 3845 NE 30th Avenue, Hillsboro, OR 97124, United States		If you are an STC Holder, Contact us to have your company added here!
STC No.: SH5122NM	Status: Current	App Date: 03/02/1990	Rev Date: 06/07/2016
Description: Installation of Howell H2900K-436 Exhaust Gas Temperature Indicator
TC Nos.: H1SW
Models: Bell Helicopter Textron Inc.204B, 205A-1, 205B
ACO: AIR-770: West Certification Branch SEA

STC Holder: Hillsboro Aviation Inc 3845 NE 30th Avenue, Hillsboro, OR 97124, United States		If you are an STC Holder, Contact us to have your company added here!
STC No.: SH5132NM	Status: Current	App Date: 03/02/1990	Rev Date: 06/07/2016
Description: Installation of new rotor blades and associated hardware
TC Nos.: H1SW
Models: Bell Helicopter Textron Inc.205A-1
ACO: AIR-770: West Certification Branch SEA

STC Holder: Hillsboro Aviation Inc 3845 NE 30th Avenue, Hillsboro, OR 97124, United States		If you are an STC Holder, Contact us to have your company added here!
STC No.: SH5797NM	Status: Current	App Date: 02/11/1991	Rev Date: 06/07/2016
Description: Installation, maintenance, and operation of an engine wash kit
TC Nos.: H1SW
Models: Bell Helicopter Textron Inc.204B, 205A, 205A-1
ACO: AIR-770: West Certification Branch SEA

STC Holder: Hillsboro Aviation Inc 3845 NE 30th Avenue, Hillsboro, OR 97124, United States		If you are an STC Holder, Contact us to have your company added here!
STC No.: SH5976NM	Status: Current	App Date: 12/12/1991	Rev Date: 06/07/2016
Description: Combine installation of new rotor blades approved under STC SH5132NM and installation of Allied Signal Model T5317A or T5317B engines approved under STC SH2394NM.
TC Nos.: H1SW
Models: Bell Helicopter Textron205A-1
ACO: AIR-770: West Certification Branch SEA

STC Holder: Hillsboro Aviation Inc 3845 NE 30th Avenue, Hillsboro, OR 97124, United States		If you are an STC Holder, Contact us to have your company added here!
STC No.: SH5977NM	Status: Current	App Date: 06/15/1992	Rev Date: 06/07/2016
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: AIR-770: West Certification Branch SEA

STC Holder: Hillsboro Aviation Inc 3845 NE 30th Avenue, Hillsboro, OR 97124, United States		If you are an STC Holder, Contact us to have your company added here!
STC No.: SR01226SE	Status: Current	App Date: 04/14/2000	Rev Date: 06/07/2016
Description: Fabrication, installation and maintenance of this Left or Right Hand Pilot in Command modification
TC Nos.: H1SW
Models: Bell Helicopter Textron205A, 205A-1, 205B
ACO: AIR-770: West Certification Branch SEA