| MDR-6 | |
|---|---|
| |
| Role | Reconnaissance flying-boat |
| Manufacturer | Chyetverikov |
| First flight | July 1937 |
| Introduction | 1941 |
| Retired | 1942 |
| Primary user | Soviet Naval Aviation |
| Produced | 1939–1945 |
| Number built | 27 |
The Chyetverikov MDR-6 was a 1930s Soviet Union reconnaissance flying-boat aircraft, and the only successful aircraft designed by the design bureau led by Igor Chyetverikov.