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