10/31/2007. Built for the AMST program (see photo 7033), this was
the first of two YC-15A prototypes and was first flown Long Beach,
California, USA on August 26, 1975, with YC-15 Project pilot Kenneth
Lewis and USAF Major John Harris at the controls. The second prototype
was flown on December 5, 1975.
Late 1976 the first prototype was refurbished with a new longer wing
and the No.1 Pratt & Whitney JT8D-17 turbofan engine of 16,000 lb
(7,257 kg) st was replaced by a 22,000 lb (9,979 kg) st CFM56-2
turbofan and was flown for the first time on February 16, 1977. After
cancellation of the AMST program in 1979, the YC-14A prototypes were
placed in storage at AMARC, the first eventual being displayed at Pima
Air and Space Museum, Tucson, Arizona. View also photo 7323 and 7855.