The Standard Aircraft Corporation was an American aircraft manufacturer, founded in Plainfield, New Jersey, in 1916 Standard Aircraft anticipated American entry into World War I, despite an expressed policy of isolationism. The same year it was founded, Standard Aircraft became a very early supplier of aircraft to the U.S. Army Signal Corps (perhaps fifth or sixth ever). The corporation supplied the Sloan H as the Standard H-2 and H-3 to the Army, and the float-equipped H-4H to the Navy, after the Sloan company was reorganised as the Standard Aircraft co..