Early in 1927 Spartan G-3 three-seat open-cockpit biplane was built by Mid-Continent Aircraft Company.
Designed by Willis Brown, the prototype first had a 100hp LeRhône rotary, later changed to a 125hp Ryan-Siemens.
Engine: 125hp Ryan-Siemens
Wingspan: 32’0″
Length: 23’6″
Useful load: 800 lb
Max speed: 115 mph
Cruse: 93 mph
Stall: 37 mph
Range: 600 mph
Seats: 3
All Aero 