The Aviation DataBase®
Complete Aviation Regulatory Library
Sept. 11 Sept. 11 America 250
DataBases updated: Aug 27th, 2026
Home Products Library Support Account Login Contact

STC Holder: Aerobase Inc

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:
Aerobase Inc
Snohomish County Arpt, Bldg 201, Everett, WA 98204, United States
If you are an STC Holder, Contact us to have your company added here!
STC No.: SA1490NMStatus: CurrentApp Date: 03/30/1982Rev Date: 04/02/1982
Description: Installation of two Wright R1820-76B engines (per Aircraft Specification A-723, Note 12) on an aircraft previously modified by STC SA4-69
TC Nos.: A-723
Models:
Lockheed Aircraft Corporation18
ACO: AIR-770: West Certification Branch SEA