"80"^^ . . "The Douglas DC-4 is a four-engine (piston) propeller-driven airliner developed by the Douglas Aircraft Company. It served during World War II, in the Berlin Airlift and into the 1960s in a military role. From 1945, many civil airlines operated it worldwide."@en . . "1942Z"^^ . . . . . "1942Z"^^ . "1163"^^ . . . .