Press release attached to photo: "HUGHES FLYING BOAT Howard Hughes' massive wooden flying boat, which flew November 2, 1947, is shown in its Long Beach hangar in the first official photograph released since its flight. The airplane, with a wing span of 320 feet, remains today the largest ever constructed. The U. S. Navy has expressed interest in it for experimentation, although no transaction has yet been made." Stamped on photo: "HUGHES HELICOPTERS DIVISION OF SUMMA CORPORATION CULVER CITY, CALIFORNIA." Los Angeles Harbor is now known as Long Beach Harbor.

Press release attached to back of photo: "LAUNCHING WORLD'S LARGEST PLANE The Hughes Flying boat was launched for the first time November 1, 1947. After the three concrete docks, one containing the hull and two the wing pontoons, were pumped with sea water to the outside level, gates were lowered and the Flying Boat was carefully towed forward by tractors, and by boats as the tail cleared the dock. During taxi tests the following day Howard Hughes made a surprise flight of a mile." Stamped on back of photo: "Hughes Aircraft Photo" and the date "Nov 1 1947." Los Angeles Harbor is now known as Long Beach.

A portion of the Flying Boat is visible in this photograph that was taken during the first test flight. Harbor Island is visible in the distance. Photograph likely taken from inside the plane. Stamped on the back of the photo "Hughes Aircraft Photo." Los Angeles Harbor is now known as Long Beach.