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: 2

STC Holder: Lynch Flying Service Inc Billings Logan Int'l Arpt, Billings, MT 59101, United States		If you are an STC Holder, Contact us to have your company added here!
STC No.: SA43RM	Status: Current	App Date:	Rev Date: 02/05/1975
Description: Installation of stall fence and wing leading edge cuffs.
TC Nos.: AL-33, L-3-4
Models: Douglas Aircraft Co. Inc.Army A-26B, Army A-26C Martin-Marietta CorporationArmy B-26C
ACO: AIR-770: West Certification Branch SEA

STC Holder: Lynch Flying Service Inc Billings Logan Int'l Arpt, Billings, MT 59101, United States		If you are an STC Holder, Contact us to have your company added here!
STC No.: SA44RM	Status: Current	App Date:	Rev Date: 01/24/1979
Description: Increase in gross weight.
TC Nos.: AL-33, L-3-4
Models: Douglas Aircraft Co. Inc.Army A-26B, Army A-26C Martin-Marietta CorporationArmy B-26C
ACO: AIR-770: West Certification Branch SEA