The 1919 LUSAO-11 (LUSAC = LePere US Army Observation) was a high-altitude long-range three seat open cockpit triplane observation aircraft for the Signal Corps.
Only one prototype was built, SC40012.
Engines: 2 x Liberty 12, 400hp
Props: four-blade
Wingspan: 54’6″
Length: 38’2
Useful load: 3122 lb
Mas speed: 112 mph
Cruise speed: 106 mph
Stall: 60 mph
Range: 475 m
Ceiling: 17,300′
All Aero 