The 1940 Southernaire BM-11 was a six place, high wing, cabin monoplane. One was built, NX59783.
Engines: two 200hp Ranger 6-440
Wingspan: 42’0″
Length: 29’3″
Loaded weight: 1921 lb
Max speed: 175 mph
Cruise speed: 166 mph
Stall speed: 61 mph
Range: 760 miles
All Aero 