ST02555AKOther aircraft modifications
Installation of three 1800 gallon Boeing bulk liquid tanks.
FAA holder: Everts Air Cargo
FAA-listed STC holder
Everts Air Cargo STCs
The Jun 30, 2026 FAA DRS snapshot lists 4 selected supplemental type certificates with status Current under Everts Air Cargo. The records span 6 public aircraft directories and 3 modification categories. This is a research directory, not a claim that any specific kit or service is currently offered.
4
listed Current at snapshot
6
aircraft directories
3
modification categories
Dec 16, 2021
latest recorded revision
Modification mix
Other aircraft modifications2
Fuel systems1
Cabin and interiors1
Recently revised records
Showing the 4 most recently revised records. Category directories provide the complete paginated discovery path.
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SA1170NWFuel systems
Modify type design by installing bulk liquid cargo tank assembly.
FAA holder: Everts Air Cargo
ST02275AKOther aircraft modifications
Approval for Douglas DC-6A and DC-6B aircraft operations on runways with slopes in excess of 2% gradient up to 6% gradient.
FAA holder: Everts Air Cargo
ST981SOCabin and interiors
Deactivation of the cabin pressurization system, conversion of the cargo compartment to a class 'E' compartment, and modification of the ventilation system.
FAA holder: Everts Air Cargo