From the Howard Cannon Photograph Collection (PH-00192). Stamped on verso: "John J Nulty Photographer 230 Tahoe Drive Carson City, Nevada Tel. GR. 2-2603"
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."