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No. of STCs: 2

STC Holder: Ben Howard & Associates Inc 4200 Lincoln Boulevard, Venice, CA 90291, United States		If you are an STC Holder, Contact us to have your company added here!
STC No.: SA4-653	Status: Current	App Date:	Rev Date: 01/01/1960
Description: Exhaust system and exhaust trough on aircraft equipped with Pratt & Whitney R-1830-94 engines.
TC Nos.: A-723
Models: Lockheed Aircraft CorporationLockheed 18
ACO: AIR-770: West Certification Branch LA

STC Holder: Ben Howard & Associates Inc 4200 Lincoln Boulevard, Venice, CA 90291, United States		If you are an STC Holder, Contact us to have your company added here!
STC No.: SA4-653	Status: Historical	App Date:	Rev Date:
Description: Exhaust system and exhaust trough on aircraft equipped with Pratt & Whitney R-1830-94 engines.
TC Nos.: A-723
Models: Lockheed Aircraft CorporationLockheed 18
ACO: Los Angeles ACO Branch, Tel: +1 (562) 627-5200