Howard Hughes with his flight engineer and Dave Evans, radio operator, preparing for the Flying Boat's taxi test the next day. The group is shown on the flight deck of the 24,000 horsepower craft. The Flying Boat was assembled on Terminal Island in the Los Angeles Harbor.

A side view of the HK-1, Hughes Flying Boat, the world's largest plane, which successfully completed its first flight. The eight 3,000 horsepower engine lifted the craft from the waters of Los Angeles Harbor with Hughes at the controls.

The interior of the 219-foot long hull of Howard Hughes' Flying Boat, on the day of the craft's initial water taxi tests. The picture was taken from the center section of the 400,000 pound aircraft. Workmen were completing the final arrangements for the test in the background.

Howard Hughes in the pilot's chair with (left to right) Dave Evans, Rae Hopper, and crew chief Charles Jucker (in the dark jacket).

An aerial view of Terminal Island in the Los Angeles Harbor, showing Hughes Aircraft Company and the industrialization of the area.

Men working inside of the HK-1, Hughes Flying Boat on Terminal Island in the Los Angeles Harbor.

A section of Howard Hughes' "Spruce Goose" or "Flying Boat" being moved (with a police escort) from the Hughes Aircraft plant in Culver City, California to Terminal Island in the Los Angeles Harbor where the plane was assembled in June of 1946.