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: Agri Helicopter, Inc 840 Havana Road, Owatonna, MN 55060, United States		If you are an STC Holder, Contact us to have your company added here!
STC No.: SH157GL	Status: Current	App Date:	Rev Date: 04/22/1977
Description: Installation of Lycoming VO-435-A1F engine.
TC Nos.: 2H3
Models: Bell Helicopter Textron47G-3B
ACO: AIR-760: Central Certification Branch CHI

STC Holder: Agri Helicopter, Inc 840 Havana Road, Owatonna, MN 55060, United States		If you are an STC Holder, Contact us to have your company added here!
STC No.: SH226GL	Status: Current	App Date:	Rev Date: 03/06/1978
Description: Installation of Lycoming VO-435-A1F engine.
TC Nos.: 2H3
Models: Bell Helicopter Textron47G-3B-1 (TH-13T)
ACO: AIR-760: Central Certification Branch CHI

STC Holder: Agri Helicopter, Inc 840 Havana Road, Owatonna, MN 55060, United States		If you are an STC Holder, Contact us to have your company added here!
STC No.: SH227GL	Status: Current	App Date:	Rev Date: 03/06/1978
Description: Installation of Lycoming VO-435-A1F engine.
TC Nos.: 2H3
Models: Bell Helicopter Textron47G-3B
ACO: AIR-760: Central Certification Branch CHI

STC Holder: Agri Helicopter, Inc 840 Havana Road, Owatonna, MN 55060, United States		If you are an STC Holder, Contact us to have your company added here!
STC No.: SH404GL	Status: Current	App Date:	Rev Date: 05/09/1980
Description: Installation of Lycoming VO-435-A1 engine.
TC Nos.: 2H3
Models: Bell Helicopter Textron47G-3B
ACO: AIR-760: Central Certification Branch CHI