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: 2

STC Holder: WAC Corporation Inc 520 Conger Street, Eugene, OR 97402, United States		If you are an STC Holder, Contact us to have your company added here!
STC No.: SA274NW	Status: Current	App Date: 01/23/1976	Rev Date: 04/05/1976
Description: Replacement of the left forward side window (pilots' compartment) with a plexiglas dome (0.250 in. thickness)
TC Nos.: 2A4
Models: Twin Commander Aircraft LLC680
ACO: AIR-770: West Certification Branch SEA

STC Holder: WAC Corporation Inc 520 Conger Street, Eugene, OR 97402, United States		If you are an STC Holder, Contact us to have your company added here!
STC No.: SA454NW	Status: Current	App Date: 05/10/1977	Rev Date: 07/15/1977
Description: Installationof modified elevator push-pull tube modified right and landing gear push-pull tube, and camera port
TC Nos.: 2A3
Models: Mooney Aviation Company IncM20F
ACO: AIR-770: West Certification Branch SEA