The STC search system is a complimentary service provided to the aviation community. We hope you find it useful. 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