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: 4

STC Holder: Everts Air Cargo 5525 Airport Industrial Rd., Fairbanks, AK 99709, United States		If you are an STC Holder, Contact us to have your company added here!
STC No.: SA1170NW	Status: Current	App Date:	Rev Date: 03/18/2016
Description: Modify type design by installing bulk liquid cargo tank assembly
TC Nos.: 6A4
Models: McDonnell Douglas CorporationDC-6B (Navy R6D-1Z)
ACO: AIR-770: West Certification Branch SEA

STC Holder: Everts Air Cargo 6111 Lockheed Avenue, Anchorage, AK 99502, United States		If you are an STC Holder, Contact us to have your company added here!
STC No.: ST02275AK	Status: Current	App Date: 07/21/2006	Rev Date: 01/27/2011
Description: Approval for Douglas DC-6A and DC-6B aircraft operations on runways with slopes in excess of 2% gradient up to 6% gradient.
TC Nos.: 6A3, 6A4
Models: The Boeing CompanyDC-6A, DC-6B
ACO: AIR-778: Alaska Aviation Section ANC

STC Holder: Everts Air Cargo 5525 Airport Industrial Rd., Fairbanks, AK 99709, United States		If you are an STC Holder, Contact us to have your company added here!
STC No.: ST02555AK	Status: Current	App Date: 01/27/2012	Rev Date: 12/16/2021
Description: Installation of three 1800 gallon Boeing bulk liquid tanks
TC Nos.: A6WE
Models: The Boeing CompanyDC-9-33F
ACO: AIR-778: Alaska Aviation Section ANC

STC Holder: Everts Air Cargo 5525 Airport Industrial Rd., Fairbanks, AK 99709, United States		If you are an STC Holder, Contact us to have your company added here!
STC No.: ST981SO	Status: Current	App Date: 03/06/1978	Rev Date: 06/14/2010
Description: Deactivation of the cabin pressurization system, conversion of the cargo compartment to a class 'E' compartment, and modification of the ventilation system.
TC Nos.: 6A3, 6A4
Models: McDonnell Douglas CorporationDC-6A (Navy R6D-1), DC-6A (USAF C-118A), DC-6B (Navy R6D-1Z)
ACO: AIR-750: East Certification Branch ATL