The Boeing 314 ""Clipper"" is a long-range flying boat produced between 1938 and 1941 by the Boeing Airline Company. It is one of the largest aircraft at that time using the massive wing of earlier XB-15 bomber prototype.
The Boeing 314 uses a series of heavy ribs and spars, creating a strong fuselage and cantilevered wing. It incorporates sponsons into the hull structure. The Pan Am Clippers were built for luxury, a necessity given the long duration of transoceanic flights.
Pan American World Airways signed a contract for six Boeing 314 on July 21, 1936. The first 314, the Honolulu Clipper, entered service in January 1939. Pacific Clipper was enroute to New Zealand during the outbreak of war in the Pacific. In June 24, 1939, the Yankee Clipper had flown across the Atlantic on a route from Southampton to New York with intermediate stops at Foynes, Ireland, Botwood, Newfoundland and Shediac, New Brunswick.
The Boeing 314 Dixie Clipper is another aircraft operated by Pan Am. It started its transatlantic passenger service in 1939 and was later sold to World Airways. It was scrapped on 1950.