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Doak VZ-4

Early Jet (1946–1969)

Doak VZ-4 — Fixed Wing
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The Doak VZ-4 was an American prototype Vertical Takeoff and Landing (VTOL) 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.

Specifications

Category
Fixed Wing
Domain
Dual-Use
Era
Early Jet (1946–1969)
Engine
1× turboshaft engine
Thrust / Power
840 shp
Length (ft)
32
Wingspan (ft)
16
Empty Weight (lb)
2300
MTOW (lb)
3200
Service Ceiling (ft)
6000
Range (mi)
230
Max Speed (mph)
230