XV-15 testing (1978)
#otd The cover of Aviation Week Magazine (August 21, 1978) showing the XV-15 in the 40x80ft w.t. test for helicopter in take off mode at...
XV-15 703NA (1980)
A look back to October 1980 with XV-15 N703NA at #NASA Dryden Flight Research Center (now Armstrong), built by Bell for a joint Army NASA...