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: 1

STC Holder: Aviation Service & Support Corporation 4150 Donald Douglas Drive, Long Beach, CA 90801, United States		If you are an STC Holder, Contact us to have your company added here!
STC No.: SA3320WE	Status: Current	App Date:	Rev Date: 01/17/1977
Description: Installation of radio altimeter system No. 1. (707-138B)
TC Nos.: 4A21
Models: The Boeing Company707
ACO: AIR-770: West Certification Branch LA