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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