The 1929 Pioneer Aero Trades School Inc BS-2 was a single-place open cockpit biplane, built as a school project. Registered N446 c/n 2 (II), it was “used for advertising.” The license was cancelled 20 February 1930.
Engine: 96hp Siemens-Halske
Wingspan: 20’0″
Length: 18’0″
Seats: 1
All Aero 