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No. of STCs: 1

STC Holder: Collier Aero Products Co Box 509 Municipal Airport, Mansfield, OH 44901, United States		If you are an STC Holder, Contact us to have your company added here!
STC No.: SA527EA	Status: Current	App Date:	Rev Date: 11/21/1968
Description: Installation of Collier Model 1AC internally mounted ADF sense antenna.
TC Nos.: 2A4, 6A1
Models: Twin Commander Aircraft Corporation500, 500-A, 500-B, 500-S, 500-U, 560, 560-A, 560-E, 560F, 680, 680-E, 680-F, 680FL, 680FL(P), 680V, 680W, 720
ACO: AIR-760: Central Certification Branch CHI