The view of a crowd consisting of thousands of people who attended a parade that celebrated Howard Hughes completion of his flight Around the World in New York City.

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

The view of a crowd consisting of thousands of people who attended a parade that celebrated Howard Hughes completion of his flight Around the World in New York City.

The view of a crowd consisting of thousands of people who attended a parade that celebrated Howard Hughes completion of his flight Around the World in New York City.

Transcribed from back of photo: "Howard Hughes in the cockpit of the new XF-11 reconnaissance plane which he designed and built in conjuntion with Air Material Command engineers. He is preparing for its first flight. One of the world's fastest long-range photo planes, it can attain a speed of over 400 miles per hour."

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."

A view of Howard Hughes conversing with an unidentified group of people in California.