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: 5

STC Holder: Lake Line Helicopters Inc 13601 Pioneer Trail, Eden Prairie, MN 55343, United States		If you are an STC Holder, Contact us to have your company added here!
STC No.: SA151GL	Status: Current	App Date:	Rev Date: 07/05/1977
Description: Installation of Lycoming VO-435-A1F engine modified in accordance with STC SE144GL.
TC Nos.: H-1
Models: Bell Helicopter Textron47G-2 (USAF H-13H)
ACO: AIR-760: Central Certification Branch CHI

STC Holder: Lake Line Helicopters Inc 13601 Pioneer Trail, Eden Prairie, MN 55343, United States		If you are an STC Holder, Contact us to have your company added here!
STC No.: SE144GL	Status: Historical	App Date:	Rev Date: 02/17/1977
Description: Modify engine to increase compression ratio to 8.7:1.
TC Nos.: E-279
Models: Textron Lycoming AVCO CorporationVO-435-A1F
ACO: Chicago ACO Branch, Tel: +1 (847) 294-7358

STC Holder: Lake Line Helicopters Inc Southport Airport, Rosemount, MN 55068, United States		If you are an STC Holder, Contact us to have your company added here!
STC No.: SH109GL	Status: Current	App Date:	Rev Date: 02/17/1976
Description: Installation of CH-34A titanium firewall with intumescent coating.
TC Nos.: 1H11
Models: Sikorsky Aircraft CorporationS-58E
ACO: AIR-760: Central Certification Branch CHI

STC Holder: Lake Line Helicopters Inc 13601 Pioneer Trail, Eden Prairie, MN 55343, United States		If you are an STC Holder, Contact us to have your company added here!
STC No.: SH165GL	Status: Historical	App Date:	Rev Date: 04/27/1977
Description: Installation of low fuel warning system.
TC Nos.: H-1
Models: Bell Helicopter Textron47G Series, 47G-2 (USAF H-13H)
ACO: Chicago ACO Branch, Tel: +1 (847) 294-7358

STC Holder: Lake Line Helicopters Inc 13601 Pioneer Trail, Eden Prairie, MN 55343, United States		If you are an STC Holder, Contact us to have your company added here!
STC No.: SH166GL	Status: Historical	App Date:	Rev Date: 04/27/1977
Description: Installation of low fuel warning system.
TC Nos.: 2H3
Models: Bell Helicopter Textron47G-2A, 47G-2A-1, 47G-3 (OH-13H), 47G-3B, 47G-3B-1 (TH-13T), 47G-3B-2, 47G-3B-2A, 47G-4, 47G-4A, 47G-5, 47G-5A
ACO: Chicago ACO Branch, Tel: +1 (847) 294-7358