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: Marburger Enterprises Inc. 1227 East Hillcourt, Williston, ND 58801, United States		If you are an STC Holder, Contact us to have your company added here!
STC No.: SA00489LA	Status: Historical	App Date: 12/17/1996	Rev Date: 10/18/2006
Description: Installation of winglets.
TC Nos.: A9SW
Models: Air Tractor Inc.AT-301, AT-302, AT-400, AT-400A
ACO: Los Angeles ACO Branch, Tel: +1 (562) 627-5200

STC Holder: Marburger Enterprises Inc. 1227 East Hillcourt, Williston, ND 58801, United States		If you are an STC Holder, Contact us to have your company added here!
STC No.: SA00489LA	Status: Historical	App Date:	Rev Date: 06/16/1998
Description: Installation of winglets.
TC Nos.: A9SW
Models: Air Tractor Inc.AT-301, AT-302, AT-400, AT-400A
ACO: Los Angeles ACO Branch, Tel: +1 (562) 627-5200

STC Holder: Marburger Enterprises Inc. 1227 East Hillcourt, Williston, ND 58801, United States		If you are an STC Holder, Contact us to have your company added here!
STC No.: SA00490LA	Status: Historical	App Date: 12/17/1996	Rev Date: 06/16/1998
Description: Installation of winglets.
TC Nos.: A17SW
Models: Air Tractor Inc.AT-401, AT-401A, AT-401B, AT-402, AT-402A, AT-402B, AT-501, AT-502, AT-502A, AT-502B
ACO: Los Angeles ACO Branch, Tel: +1 (562) 627-5200