Doak VZ-4
| Use attributes for filter ! | |
| Number built | 1 |
|---|---|
| First flight | February 25, 1958 |
| Date of Reg. | |
| Date of Upd. | |
| ID | 2357587 |
About Doak VZ-4
The Doak VZ-4 was an American prototype Vertical Takeoff and Landing aircraft built in the 1950s for service in the United States Army. Only a single prototype was built, and the U. S. Army withdrew it from active trials in 1963.