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
Aircraft STC directory
McDonnell Douglas DC-6A (USAF C-118A) STCs
The Jun 30, 2026 FAA DRS snapshot contains 4 selected supplemental type certificates with status Current whose public applicability data names the McDonnell Douglas DC-6A (USAF C-118A). Use it to identify modification scope and recorded holders—not to determine serial-number effectivity, compatibility, installation approval, or commercial availability.
4
listed Current at snapshot
3
holder directories
4
modification categories
Jun 14, 2010
latest recorded revision
Modification demand surface
Cabin and interiors1
Other aircraft modifications1
Landing gear and brakes1
Avionics1
Recently revised DC-6A (USAF C-118A) STCs
Showing the 4 most recently revised records. Each entry links to the FAA source and separates public approval data from private commercial claims.
View record
SA1367GLOther aircraft modifications
Surrendered and incorporated into STC ST334CH.
FAA holder: Cooper Aviation Supply Company, Inc.
ST01608CHLanding gear and brakes
Installation of brake assemblies, p/n 9560164-2 or 9560166, with non-asbestos linings, p/ns 5013028 and 5013029.
FAA holder: Aircraft Braking Systems Corporation
ST02166AKAvionics
Installation of UPS Aviation Technologies, Inc., GX50/60 GPS Navigator, Capstone configured MX20 Multi-Function display, and UAT transceiver.
FAA holder: Northern Air Cargo Inc.