Keystone XLB-3
| Use attributes for filter ! | |
| Manufacturers | Keystone Aircraft |
|---|---|
| First flight | December 1927 |
| Date of Reg. | |
| Date of Upd. | |
| ID | 1842311 |
About Keystone XLB-3
The Keystone XLB-3 was a prototype bomber biplane developed in the United States in the late 1920s. It was a twin-engine development of the single-engine LB-1, brought about by a change in policy by the United States Army Air Corps.
