XV-15 litho - NASA's History Office

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November, Initial piloted simulations conducted in the Ames Flight
December 1973 Simulator for Advanced Aircraft (FSAA) employing simulation
math models developed by Boeing Vertol and Bell. The
math model created by P. B. Harendra and M. J. Joglekar of
Bell became the basis for the generic tilt rotor math model
used for Ames piloted simulations into the late 1990s.
May 1974 Initial publication of aeroelastic stability analysis developed
by Dr. Wayne Johnson was issued.
September 1974 Dr. Irving Statler becomes director, U.S. Army Air
Mobility Research and Development Laboratory following
retirement of Paul Yaggy.
July 1975 Demonstration of simultaneous XV-15 ejection seat
operation.
14 October 1975 XV-15 tilt rotor research aircraft entered final assembly
stage.
22 October 1976 Official roll-out ceremony for XV-15, N703NA at Bell.
1 May 1977 XV-15 N702NA completes ground tiedown development
tests at Bell.
3 May 1977 First hover and low speed flight with XV-15 N702NA
piloted by Bell Experimental Test Pilots Ron Erhart and
Dorman Cannon.
23 March 1978 XV-15 N702NA transported to Ames Research Center,
Moffett Field, California, onboard an Air Force C-5A.
4 May thru Ames 40- by 80-foot wind tunnel test of XV-15 N702NA.
23 June 1978
July 1978 Army/NASA/Navy Memorandum of Agreement established
providing Navy funding and for shipboard evaluation
of TRRA.
27 August 1978 XV-15 N703NA begins ground run tests at Bell.
23 April 1979 First flight of XV-15 N703NA performed at the Bell Flight
Test Center, Arlington Municipal Airport, Texas.
24 July 1979 First full in-flight conversion from helicopter-to-airplane
mode accomplished by Bell with XV-15, aircraft N703NA.