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: 3

STC Holder: Cunningham Dudley H 539 B Street, Yuba City, CA 95991, United States		If you are an STC Holder, Contact us to have your company added here!
STC No.: SA4-557	Status: Historical	App Date:	Rev Date:
Description: Wing center-section fittings (front and rear).
TC Nos.: ATC 32
Models: Curtiss-Wright CorporationTravel Air 4000
ACO: Los Angeles ACO Branch, Tel: +1 (562) 627-5200

STC Holder: Cunningham Dudley H 539 B Street, Yuba City, CA 95991, United States		If you are an STC Holder, Contact us to have your company added here!
STC No.: SA4-557	Status: Current	App Date: 05/22/1958	Rev Date: 08/05/1958
Description: Wing center-section fittings (front and rear).
TC Nos.: ATC 32
Models: Curtiss-Wright CorporationTravel Air 4000
ACO: AIR-770: West Certification Branch LA

STC Holder: Cunningham Dudley H 539 B Street, Yuba City, CA 95991, United States		If you are an STC Holder, Contact us to have your company added here!
STC No.: SA4-557	Status: Historical	App Date:	Rev Date: 01/01/1961
Description: Wing center-section fittings (front and rear).
TC Nos.: ATC 32
Models: Curtiss-Wright CorporationTravel Air 4000
ACO: Los Angeles ACO Branch, Tel: +1 (562) 627-5200