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: Lawerence J. Montgomery c/o Lamont Aviation P.O. Box 6401, Spartanburg, SC 29304, United States		If you are an STC Holder, Contact us to have your company added here!
STC No.: SA1589CE	Status: Historical	App Date: 07/16/1979	Rev Date: 07/19/2022
Description: Increase in maximum gross weight from 3,400 lbs. to 3,800 lbs.
TC Nos.: 1A8
Models: Helio Alaska IncH-295 (USAF U10D)
ACO: AIR-750: East Certification Branch ATL