The aircraft is powered by two Canadian Pratt & Whitney turbo-prop engines.

He throttled back and forced the nose down, increasing the revs on those mighty Pratt and Whitney engines.

He said he was happy with the specifications for the new Pratt & Whitney engines.

With that, he tripped his brakes and the fighter started moving, driven by its powerful Pratt & Whitney engines.

The note of the four Pratt and Whitney engines climbed to a tooth-rattling roar.

The UB-14 had a retractable landing gear and was powered by two Pratt & Whitney radial engines.

Analysts said the new engines would be quieter and somewhat more fuel-efficient than the current Pratt & Whitney engines.

Beautifully restored fifty-five-year-old cargo plane powered by two 1,200-horsepower Pratt and Whitney engines.

Her flight helmet protected her from the shriek of the two Pratt and Whitney engines.

One of the big Pratt and Whitney engines was running just a hair warm.