Description given with photo: "Hughes Pilots Radar-Equipped Plane Culver City, Calif. -- First passenger plane equipped with radar is flown in demonstration May 1st by Howard Hughes (left) and co-pilot R.C. Loomis over Culver City. Pilots using this equipment will be warned of approaching obstacles by lights flashing on radar panel. Two lights (lefts) with 2,000-foot range, are used to guarantee clearance over mountains; two lights (right) with 500-foot range, are a safety device for approaches and landings. Either set of lights warns against approaching aircraft. Trans-World Airline plans to install radar on its passenger planes. Credit (ACME) 5-3-47."
Description printed on photograph's accompanying sheet of paper: "Howard Hughes Guest at National Press Club. Washington, D. C. -- Howard Hughes, multi-millionaire round-the-world flyer is pictured as he spoke at the National Press Club here, July 21st, where he and his four companions were guests at a luncheon of the club. Hughes and the members of his crew on the flight visited Washington to personally thank Secretary of State Cordell Hull for his assistance in the clearing of their plane. Credit Line (ACME) 7/21/38."