In 1938 it was tested in the Curtiss SO3C Seamew but was found to be unreliable with a tendency to overheat in low-speed flight, but would still be the most produced aircraft to have the V-770, with 795 being built.
The V-770 engine was tested in the Curtiss SO3C Seamew in 1938, but it was found to be problematic due to overheating issues during low-speed flight. Despite this, it remained the most widely produced aircraft to incorporate the V-770, with a total of 795 units built.