| Dolphin | |
|---|---|
 U.S. Coast Guard RD-2 in June, 1932 | |
| General information | |
| Type | Multirole flying boat |
| National origin | United States |
| Manufacturer | Douglas Aircraft Company |
| Primary users | United States Navy |
| Number built | 58[1] |
| History | |
| Introduction date | 1931 |
| First flight | July 1930 (Sinbad) |
The Douglas Dolphin is an American amphibious flying boat. While only 58 were built, they served a wide variety of roles including private air yacht, airliner, military transport, and search and rescue.[2]