The Douglas DC-4 is a four-engined 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.
Made by Douglas Aircraft Company.
It is the successor of the Douglas DC-4E ,
Douglas DC-4 is the predecessor of the Douglas C-54 Skymaster.