Boeing XP-4
| Use attributes for filter ! | |
| Wingspan | 9. 78 m |
|---|---|
| Length | 7. 29 m |
| First flight | 1927 |
| Manufacturers | Boeing |
| Date of Reg. | |
| Date of Upd. | |
| ID | 2933594 |
About Boeing XP-4
The Boeing XP-4 was a prototype United States biplane fighter of the 1920s that was grounded permanently after just 4. 5 hours of flight testing.
