Keystone B-3
The Keystone B-3A was a bomber aircraft developed for the United States Army Air Corps by Keystone Aircraft in the late 1920s.
| B-3A | |
|---|---|
| Keystone B-3A (S/N 30-281), the first B-3A built. | |
| Role | Bomber |
| Manufacturer | Keystone Aircraft |
| Status | Retired |
| Primary user | United States Army Air Corps |
| Number built | 63 B-3A/B-5 |
| Variants | Keystone B-4, B-5 & B-6 |
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