The Douglas DC-4A is an unpressurized, four-piston-engine propeller-driven airliner, produced between 1942 and 1947. It was based on an earlier, larger variant, the DC-4E.
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The Douglas DC-4A is an unpressurized, four-piston-engine propeller-driven airliner, produced between 1942 and 1947. It was based on an earlier, larger variant, the DC-4E.