United is the only U.S. airline with the Pratt & Whitney PW4000 in its fleet, the FAA said. United says it has 24 of the 777s in service. The United 777 aircraft in Saturday's incident is 26 years ...

Pratt & Whitney offered the scaled-up PW4000-112, while General Electric started from scratch with the GE90. These two engines, along with the Rolls-Royce Trent 800, were roughly comparable.

World-leading aircraft engine designer RTX’s Pratt & Whitney is set to showcase a Boeing 747SP test bed aircraft at this year’s EAA AirVenture.

Pratt & Whitney will display a Boeing 747SP at EAA AirVenture in Oshkosh to celebrate its 100th anniversary. The 747SP, a shortened version of the 747, will be on display in Boeing Plaza from July ...

Pratt & Whitney will display a Boeing 747SP at EAA AirVenture in Oshkosh to celebrate its 100th anniversary. The 747SP, a shortened version of the 747, will be on display in Boeing Plaza from July ...

Pratt & Whitney will display a Boeing 747SP at EAA AirVenture in Oshkosh to celebrate its 100th anniversary. The 747SP, a shortened version of the 747, will be on display in Boeing Plaza from July ...

Pratt & Whitney will display a Boeing 747SP at EAA AirVenture in Oshkosh to celebrate its 100th anniversary. The 747SP, a shortened version of the 747, will be on display in Boeing Plaza from July ...

Pratt & Whitney will display a Boeing 747SP at EAA AirVenture in Oshkosh to celebrate its 100th anniversary. The 747SP, a shortened version of the 747, will be on display in Boeing Plaza from July ...

Pratt & Whitney will display a Boeing 747SP at EAA AirVenture in Oshkosh to celebrate its 100th anniversary. The 747SP, a shortened version of the 747, will be on display in Boeing Plaza from July ...