Douglas Y1B-7
The Douglas Y1B-7 was a 1930s American bomber aircraft. It was the first US monoplane given the B- 'bomber' designation. The monoplane was more practical and less expensive than the biplane, and the United States Army Air Corps chose to experiment with monoplanes for this reason. At the time the XB-7 was ordered, it was being tested by Douglas Aircraft as an observational plane.
| Y1B-7 | |
|---|---|
| Y1B-7 of the 31st Bombardment Squadron | |
| Role | Bomber/Observation aircraft |
| Manufacturer | Douglas Aircraft Company |
| First flight | 1931 |
| Retired | January 1939 |
| Primary user | United States Army Air Corps |
| Produced | 1932 |
| Number built | 14 |
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