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No. of STCs: 2

STC Holder: Clark John J 305 N. Owen St., Mt. Prospect, IL 60056, United States		If you are an STC Holder, Contact us to have your company added here!
STC No.: SA3-436	Status: Current	App Date:	Rev Date: 01/01/1960
Description: AiResearch cowling vent doors.
TC Nos.: A-669
Models: McDonnell Douglas CorporationDC-3 Series
ACO: AIR-760: Central Certification Branch CHI

STC Holder: Clark John J 305 N. Owen St., Mt. Prospect, IL 60056, United States		If you are an STC Holder, Contact us to have your company added here!
STC No.: SA3-441	Status: Current	App Date:	Rev Date: 01/01/1960
Description: Main landing gear.
TC Nos.: A-2-582
Models: Raytheon Aircraft CompanyArmy AT-11
ACO: AIR-760: Central Certification Branch CHI