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: 4

STC Holder: Air Services Intl 7300 East Evans Drive, Scottsdale, AZ 85260, United States		If you are an STC Holder, Contact us to have your company added here!
STC No.: SH239WE	Status: Current	App Date:	Rev Date: 06/11/1979
Description: Installation of Chandler Evans(CECO) Model 104900-A3-A2 fuel controllers and Model 104500-A governors.
TC Nos.: H3EU
Models: Eurocopter Deutschland GmbHBO-105C
ACO: AIR-770: West Certification Branch LA

STC Holder: Air Services Intl 7300 East Evans Drive, Scottsdale, AZ 85260, United States		If you are an STC Holder, Contact us to have your company added here!
STC No.: SH2543NM	Status: Current	App Date: 11/02/1984	Rev Date: 11/02/1984
Description: Installation of Allison 250-C20B
TC Nos.: H2SW
Models: Bell Helicopter Textron Canada Limited206B
ACO: AIR-770: West Certification Branch SEA

STC Holder: Air Services Intl 14501 N 73rd Street, Scottsdale, AZ 85260, United States		If you are an STC Holder, Contact us to have your company added here!
STC No.: SH296NM	Status: Historical	App Date: 11/18/1981	Rev Date: 01/24/2005
Description: Installation of Detroit Diesel Allison 250-C30P turboshaft engine and associated airframe and tail rotor control modifications similar to the model 206L-3.
TC Nos.: H2SW
Models: Bell Helicopter Textron (Canada)206L-1
ACO: Los Angeles ACO Branch, Tel: +1 (562) 627-5200

STC Holder: Air Services Intl 7300 East Evans Drive, Scottsdale, AZ 85260, United States		If you are an STC Holder, Contact us to have your company added here!
STC No.: SH296NM	Status: Historical	App Date:	Rev Date: 01/13/1989
Description: Installation of Detroit Diesel Allison 250-C30P turboshaft engine and associated airframe and tail rotor control modifications similar to the model 206L-3.
TC Nos.: H2SW
Models: Bell Helicopter Textron (Canada)206L-1
ACO: Los Angeles ACO Branch, Tel: +1 (562) 627-5200