The Bird of Prey is 47 feet long with a 23-foot wing at the rear that is shaped like a "W." Powered by the same Pratt & Whitney engine used ... has additional Boeing-supplied photos, at ...

In 1992, Boeing's Phantom Works program began development on the Bird of Prey, a project managed by ... like the Pratt & Whitney JT15D-5C turbofan engine, nixing the expensive fly-by-wire systems ...

One of the most impactful technology demonstrators in this process was the YF-118G Bird of Prey. -Built by Boeing in the 1990s ... by a Pratt & Whitney JT15D-5C engine, the Bird of Prey wasn ...