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No. of STCs: 1

STC Holder: Hemmingson, E. U. 3340 NW Eagle View Drive, Albany, OR 97321, United States		If you are an STC Holder, Contact us to have your company added here!
STC No.: SA680NW	Status: Current	App Date: 01/12/1978	Rev Date: 10/19/1978
Description: Installation of a Lycoming engine, Machen engine mount, Hartzell propeller, Beech exhaust sytem, modified cowl with cowl flaps
TC Nos.: A-799
Models: Cessna Aircraft Company170B
ACO: AIR-770: West Certification Branch SEA