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. ArmySignal 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..
A more significant type was the Standard J seriestrainer, similar to the Curtiss JN-4, which began with the SJ prototype, followed by the production J-1 (or SJ-1), of which some 800 were built. They were badly hampered by the choice of engine, and attempts to cure the problems with subsequent designs were not successful. Only handfuls of JRs and JR-1Bs were built; some were also purchased by the Post Office.
Standard's last type was the E-1. Intended as a fighter, 100 served as advanced trainers, about half with a provision for fitting machineguns, as the M-Defense.
Designer Charles Healy Day later teamed with barnstormer/showman Ivan Gates to design and build aircraft specifically for the civilian and military markets. They formed the Gates-Day Aircraft Company (later renamed the New Standard Aircraft Company) in 1927, and built a number of different aircraft—including the Gates-Day D-24 and the New Standard D-25.