US Army's Doak-16 VTOL experimental plane
These photos were taken by Charles Kalina
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The Doak Model 16 (also called the Doak VZ-4DA) was the first tilt-rotor aircraft, using ducted fans driven by a turbine in the fuselage. Its first flight was in 1958; in 1973 it was transferred to the U.S. Army Transportation Museum at Fort Eustis, Virginia. This aircraft was the only VZ-4DA built (serial #56-9642) 56-9642). It was 9.75m long with a 7.75m wingspan (including the fans).
Photos and text © 2003 by Charles Kalina