Description given with photo: "Flying Boat Put To Test - San Pedro, Calif. : Howard Hughes pilots his much-publicized flying boat on the first of a series of taxi runs in Los Angeles harbor on November 2nd. Shortly afterward, the millionaire plane builder took the giant ship up on a surprise half-mile flight. Credit Line (ACME) 11/04/47."

A section of Howard Hughes' 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.