On February 25, 1919, DeHart sent this letter from the Belmont Park, New York airmail field to Superintendent Egge of the Air Mail Service. In his letter, DeHart advises Egge that the newly reconstructed de Havilland (known as the twin de Havilland) would not be successful mail aircraft. DeHart was proven right when the twin de Havillands performed miserably.

Learn more about the twin de Havilland airplanes.