Hewitt-Sperry Automatic Airplane and Lawrence Sperry decided that he would be the test pilot. While taxiing it on ice, he hit some slushy snow, and wrecked the plane, though Sperry was unhurt. A second airplane was fitted out, and Sperry managed to get it in the air, but lost control when the automatic pilot was engaged. After two complete rolls, Sperry managed to regain control and land safely. Clearly, though, more attention to flight testing the basic design was needed, particularly in the area of handling qualities. Sperry and his assistant, N. W. Dalton, obtained a Marmon automobile, and mounted the Curtiss-Sperry Flying
Sperry UFO case fell eastward from the zenith, but which then appeared to move horizontally for several seconds. Comparing times and the relative position of his aircraft with that of Myers, Sperry felt that this was possibly the same phenomenon or object as he saw. Both he and Gates, the copilot, had however "emphatically discounted" the possibility of the phenomenon being a meteor, due to its movements. Sperry UFO case The Sperry UFO case was a sighting of an Unidentified Flying Object by the captain, Willis Sperry, and other crew of an American Airlines DC-6 airborne near Mount Vernon, Maryland on 29 May