Model Number : XSU-4
Model Name : Corsair
Model Type:  Scout, Observation

 

 

Originally ordered as an O3U-4 and redesignated an SU-2, it was again redesignated the XSU-4 and became the prototype for subsequent SU-4 orders.  Its first flight was in 1933.  The performance and weights shown are for the aircraft configured as SU-4

.