Comparison of Curtiss-Wright AT-9 and Vought O2U Corsair

Attribute	Curtiss-Wright AT-9 ×	Vought O2U Corsair ×
General
Manufacturer	Curtiss	Vought
Model	Curtiss-Wright AT-9	Vought O2U Corsair
Country	United States	United States
Manufactured from (year)	1941	1926
Manufactured to (year)	1943	1929
Type	Military Trainers	Amphibious
Icao	AT9	O2U
Performance
Engine	2x Lycoming R-680-9	1x Pratt & Whitney R-1690-42 Hornet radial engine other
Power, hp (hp)	295	600
Max cruise speed (km/h)	317	269
Approach speed (km/h)	-	80
Travel range (km)	1,204	1,095
Service ceiling (m)	5,791	5,669
Rate of climb (m/sec)	5.97	10.67
Weights
Max take off weight (kg)	2,749	2,161
Max payload (kg)	-	227
Fuel tank capacity (l)	-	341
Dimensions
Seats	2	2
Exterior length (m)	9.65	8.68
Tail height (m)	3	3.47
Fuselage diameter (m)	1.5	1
Wing span (m)	12.29	10.51
Wing tips	No Winglets	No Winglets