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."
Typed onto a piece of paper attached to the image: "As Howard Hughes Was Welcomed to Los Angeles, Los Angeles, Cal. -- Mayor Frank L. Shaw of Los Angeles, Howard Hughes, Will Hays, "Czar" of the movies, and Governor Frank Merriam of California (left to right) are pictured at the luncheon in the Biltmore Hotel which followed the wild ovation for Hughes and his four companions on his record-smashing world flight as they arrived in Los Angeles from their triumph from the East. Credit Line (ACME) 8/2/38"
Description printed on accompanying strip of paper: "Howard Hughes inspects his machine on arrival at Le Bourget, France, on his round-the-world flight."