| TB-1 (ANT-4) | |
|---|---|
 ANT-4 at the Ulyanovsk Aircraft Museum | |
| General information | |
| Type | Heavy bomber |
| National origin | Soviet Union |
| Manufacturer | Tupolev |
| Primary users | Soviet Air Forces |
| Number built | 218 |
| History | |
| Manufactured | 1929–1932 |
| Introduction date | 1929 |
| First flight | 26 November 1925 |
| Retired | 1948 |
The Tupolev TB-1[a] (development name ANT-4) was a Soviet bomber aircraft, an angular monoplane that served as the backbone of the Soviet bomber force for many years, and was the first large all-metal aircraft built in the Soviet Union.
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