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 assessed in the Curtiss SO3C Seamew in 1938 and was deemed unreliable due to overheating during low-speed flight. Nevertheless, it would still be the most prolific aircraft to utilize the V-770, with a total of 795 examples manufactured.