Standard Aircraft Corp made to own designs SJ trainers; E-1 single-seat fighters, used for advanced training; H-3 landplane reconnaissance biplanes and H-4-H floatplanes.
Built in 1916, the SJ was a civil trainer, modified from the J-1 as a two-place high-wing monoplane powered with 90hp Curtiss OX-5 and Sikorsky-designed wing.
Production included NC6703 c/n UNW-9, NC5469.
All Aero 