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: H Koch & Sons Koch Road, Corte Madera, CA 94925, United States		If you are an STC Holder, Contact us to have your company added here!
STC No.: SA2793WE	Status: Current	App Date:	Rev Date: 12/20/1973
Description: Cart tiedown assembly.
TC Nos.: A23WE
Models: Lockheed Aircraft CorporationL-1011-385-1
ACO: AIR-770: West Certification Branch LA

STC Holder: H Koch & Sons Koch Road, Corte Madera, CA 94925, United States		If you are an STC Holder, Contact us to have your company added here!
STC No.: SA2853WE	Status: Current	App Date:	Rev Date: 03/23/1978
Description: Retractable tiedown assemblies.
TC Nos.: A22WE
Models: McDonnell Douglas CorporationDC-10-10, DC-10-30
ACO: AIR-770: West Certification Branch LA

STC Holder: H Koch & Sons 5410 E. LaPalma, Anaheim, CA 92807, United States		If you are an STC Holder, Contact us to have your company added here!
STC No.: SA2975WE	Status: Current	App Date:	Rev Date: 01/06/1975
Description: Installation of shroud assembly, P/N 0350740068, in Universal Oil Products galley P/N 10870, to Weber Aircraft Company beverage cart, P/N 818620-411. (707-347C)
TC Nos.: 4A26
Models: The Boeing Company707
ACO: AIR-770: West Certification Branch LA