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.jpg) The first Keystone B-3A bomber built, serial number 30-281 | |
| Industry | Aerospace |
|---|---|
| Predecessor | Huff-Daland Aero Corporation |
| Defunct | 1929 |
| Fate | Merged into Curtiss-Wright in 1929 |
| Successor | Curtiss-Wright |
| Headquarters | |
Key people | James McDonnell |
Keystone Aircraft Corporation was an early American airplane manufacturer.