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No. of STCs: 3

STC Holder: Shannon Engineering 7675 Perimeter Road South Suite 200, Seattle, WA 98108, United States		If you are an STC Holder, Contact us to have your company added here!
STC No.: SA4333NM	Status: Current	App Date: 06/03/1988	Rev Date: 07/05/1988
Description: This STC approves the use of the King KFC200 Flight Control System with the Pratt and Whitney PT6-135 Turbine engines installed on the Cessna 421C Registraion Number N44CG, Serial Number 421C-0110.
TC Nos.: A7CE
Models: Cessna Aircraft Company421C
ACO: AIR-770: West Certification Branch SEA

STC Holder: Shannon Engineering 7675 Perimeter Road South Suite 200, Seattle, WA 98108, United States		If you are an STC Holder, Contact us to have your company added here!
STC No.: SA4782NM	Status: Current	App Date: 01/06/1989	Rev Date: 11/02/1989
Description: Installation of engine hush kits. (707-300B ADVANCED)
TC Nos.: 4A26
Models: The Boeing Company707-300B Series, 707-300C Series
ACO: AIR-770: West Certification Branch SEA

STC Holder: Shannon Engineering 7675 Perimeter Road South Suite 200, Seattle, WA 98108, United States		If you are an STC Holder, Contact us to have your company added here!
STC No.: SA5670NM	Status: Current	App Date: 09/23/1991	Rev Date: 03/31/1992
Description: Installation of a 25-degree landing flap warning select switch.
TC Nos.: 4A25
Models: McDonnell Douglas CorporationDC-8-61
ACO: AIR-770: West Certification Branch SEA