Grumman JRF-2/3/5 G “Goose” (1939)

Grumman developed the G-21 Goose as a civilian transport aircraft designed to meet the needs of wealthy business organizations. It was put on the market in 1937. The Navy began acquiring the G-26 version in 1938 and designated them as JRF, Seven G-39 design aircraft designated JRF-2, were built to Coast Guard specifications, and were purchased by the Coast Guard in 1939 and 1940.