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: Clearwater Air Inc 1100 Merrill Field Dr, Anchorage, AK 99501, United States		If you are an STC Holder, Contact us to have your company added here!
STC No.: SA01073SE	Status: Current	App Date: 03/08/2002	Rev Date: 02/23/2015
Description: Increase maximum ramp weight to 11,050 lbs.
TC Nos.: 2A4
Models: Twin Commander Aircraft LLC690A
ACO: AIR-778: Alaska Aviation Section ANC

STC Holder: Clearwater Air Inc 1100 Merrill Field Dr, Anchorage, AK 99501, United States		If you are an STC Holder, Contact us to have your company added here!
STC No.: SA02453AK	Status: Current	App Date: 03/20/2015	Rev Date: 08/28/2015
Description: Increase maximum ramp weight to 11,050 lbs. and increase maximum takeoff weight to 11,000 lbs. when operating in restricted category for the special purpose of Forest Service and Wildlife Conservation/Aerial Survey.
TC Nos.: 2A4
Models: Twin Commander Aircraft LLC690A, 690B, 690C
ACO: AIR-778: Alaska Aviation Section ANC