The STC search system is a complimentary service provided to the aviation community. We hope you find it useful. We do not provide access to STC engineering. For that you need to contact the STC holder directly. Our primary product is a comprehensive library of aviation regulations and standards, including tools for generating Airworthiness Directive compliance reports.

No. of STCs: 1

STC Holder: Mercer D W d/b/a Mercer Enterprises Lockheed Air Terminal, Burbank, CA 91505, United States		If you are an STC Holder, Contact us to have your company added here!
STC No.: SA4-31	Status: Current	App Date:	Rev Date: 01/01/1960
Description: Wright R1820-52 engines and Hamilton Standard 33D50/6511-9 propellers.
TC Nos.: ATC 540
Models: Douglas Aircraft Co. Inc.DC-2 (Army C-32)
ACO: AIR-770: West Certification Branch LA