The Heyday of Propeller Airliners(1941-1958)

Lockheed Constellation Model

TWA began flying "Connies" in 1946 on the same day United introduced its unpressurized DC-4s. Pressurized Constellations could fly from New York to Los Angeles in 11 hours with one 25-minute fuel stop—five hours faster than United's DC-4s on its New York–San Francisco route.
Gift of Pan American World Airways

Image number 2007-15008
Credit: Smithsonian Institution, National Air and Space Museum

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