Pacific Western Douglas DC-4 1959 Source: http://en.wikipedia.org/wiki/Douglas_DC-4#mediaviewer/File:Pacific_Western_Airlines_DC-4.jpg
The Douglas DC-4 is a four engined propeller driven airliner and transport aircraft. It had a big military role in World War II in the Berlin Airlift. It was also widely used by civilian airlines around the world.
Although only 80 DC-4s where produced 1,163 examples of the military version where built, called the C-54 and for the Navy the R5D. The first flight of the C-54 was in 1938, 14 years after the DC-4. It was mainly used by the United States Army Air Forces, United States Navy and United States Air Force. The forces used it as a cargo aircraft as well as carrying presidents and military staff. The C-54 was the first aircraft to carry the President of the United States.
Purpose: Airliner and Transport Aircraft
First Flight: 14 February 1942
Number Built: 80 DC-4 and 1,163 C-54/R5D
Developed Into: Douglas DC-6