Grumman J2F-6
Duck
The J2F-5 was the last of the Grumman built Ducks. The J2F-6 was built by the Columbia Aircraft Corporation. It was identical to the -5 except for its Wright 1820 Cyclone engine. It was the most powerful Duck built and the most numerous. Grumman built 330 Ducks for the U.S. Navy and Coast Guard.