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No. of STCs: 2

STC Holder: American Aviation Service Inc 7777 Perimeter Road Boeing Field, Seattle, WA 98108, United States		If you are an STC Holder, Contact us to have your company added here!
STC No.: SA82NW	Status: Historical	App Date:	Rev Date: 12/11/1973
Description: Installation of navigator's station. (720-027)
TC Nos.: 4A28
Models: The Boeing Company720
ACO: Seattle ACO Branch, Tel: +1 (206) 231-3500

STC Holder: American Aviation Service Inc 7777 Perimeter Road Boeing Field, Seattle, WA 98108, United States		If you are an STC Holder, Contact us to have your company added here!
STC No.: SA88NW	Status: Current	App Date:	Rev Date: 01/14/1974
Description: Optional interior seating arrangement.
TC Nos.: 4A28
Models: The Boeing Company720 Series
ACO: AIR-770: West Certification Branch SEA