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No. of STCs: 1

STC Holder: Carpe Diem Aviation Services of Missouri, Inc. dba CD Aviation Services 2707 East 32nd Street, Suite 2 Joplin, MO 64804		If you are an STC Holder, Contact us to have your company added here!
STC No.: SA1024SO	Status: Current	App Date: 06/19/1978	Rev Date: 04/06/2026
Description: Installation of AiResearch TPE331-5-252K engines replacing AiResearch TPE331-5-251K engines.
TC Nos.: 2A4
Models: Twin Commander Aircraft Corporation690, 690A, 690B
ACO: AIR-760: Central Certification Branch CHI