Description given with photo: "Radar Installed on Passenger Planes Culver City, Calif. -- Radar safety control system (cabinet, left, center) for passenger planes, demonstrated by Howard Hughes in a trans-world airline plane, at Culver City, May 1st. Radar, with 500 and 2,000 foot warning signals, tells the pilot when he is approaching obstacles. Equipment is being installed in planes flying routes from San Francisco eastward to Shanghai. Credit (ACME) 5/3/47."

Howard Hughes in the cockpit of his XF-11 airplane before his first test flight.

Three head shots of Howard Hughes in the back seat of a car enroute to his hotel in New York.

The up close view of Howard Hughes being escorted through a crowd of people at Floyd Bennett Airfield in New York. Description printed on photograph's accompanying sheet of paper: "Escorted through crowd- 7/14/38 (Daily News)"

The up close view of Howard Hughes being escorted through a crowd of people at Floyd Bennett Airfield in New York. Description printed on photograph's accompanying sheet of paper: "Escorted through crowd- 7/14/38 (Daily News)"

The up close view of Howard Hughes being escorted through a crowd of people at Floyd Bennett Airfield in New York. Description printed on photograph's accompanying sheet of paper: "Escorted through crowd- 7/14/38 (Daily News)"