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: 3

STC Holder: TransWestern Helicopters Inc. P.O. Box R, Scappoose, OR 97056, United States		If you are an STC Holder, Contact us to have your company added here!
STC No.: SA3520NM	Status: Current	App Date: 04/04/1986	Rev Date: 06/27/1986
Description: Rotate and Re-letter Torque Meter and TOT instruments.
TC Nos.: H3WE
Models: MD Helicopter Inc.369D
ACO: AIR-770: West Certification Branch SEA

STC Holder: TransWestern Helicopters Inc. P.O. Box R, Scappoose, OR 97056, United States		If you are an STC Holder, Contact us to have your company added here!
STC No.: SH2149NM	Status: Current	App Date: 08/18/1983	Rev Date: 09/27/1983
Description: Removal of five seats
TC Nos.: H6SW
Models: Bell Helicopter Textron Inc.214B
ACO: AIR-770: West Certification Branch SEA

STC Holder: TransWestern Helicopters Inc. P.O. Box R, Scappoose, OR 97056, United States		If you are an STC Holder, Contact us to have your company added here!
STC No.: SH5963NM	Status: Current	App Date: 08/19/1991	Rev Date: 05/28/1993
Description: Installation of side pull hook system.
TC Nos.: H3WE
Models: MD Helicopter Inc.369D
ACO: AIR-770: West Certification Branch SEA