Rolls-Royce celebrates a successful tenth flight of the Pearl 10X engine onboard the Boeing 747 testbed aircraft. Continuous testing and development process includes high altitude testing reaching ...

Ship 6301 served as the prototype for the 747-400 and made its first flight on April 29, 1988. Pratt & Whitney then used the aircraft as a test bed for its PW4000 series engines, which would power ...

What else does the Boeing 747 testbed do? The aircraft is stationed in California, where it conducts engine testing for the manufacturer. The number two engine slot can be fitted with a test ...