Racer planes of US Army Air Corps run speed tests in Manhasset Bay at Port Washington.

Pursuit Airplanes of United States Army Air Corps. A tiny racer plane for a speed test at Port Washington, Long Island, New York. The pilot of the racer plane, Alford J. Williams. The plane in water with pontoons attached to a sailing craft in Manhasset Bay. The plane taxis on water and takes off. Aerial scenes of the flight.