Monday, July 6, 2020

U.S. Air Force’s F-22 Raptor stealth fighters faces engine shortage

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The F-22 Raptor, a critical component of the Global Strike Task Force, is designed to project air dominance, rapidly and at great distances and defeat threats attempting to deny access to U.S. nation’s Air Force, Army, Navy and Marine Corps.

For the past several years, the U.S. Air Force’s fleet of the F-22 Raptor stealth fighter jet is facing a shortage of Pratt & Whitney F119-PW-100 turbofan engines.

Air Combat Command head Gen. Mike Holmes during an event hosted by the Air Force Association’s Mitchell Institute for Aerospace Studies has confirmed that F-22 faces a shortage of engines.

“The aircraft has flown more than the service initially predicted which has resulted in a shortage of F-22 engines,” Holmes said.

Air Combat Command is also thinking of taking some less capable F-22s from the formal training unit and upgrading them for combat operations.

A Pratt and Whitney F119 engine performs an engine run at the 1st Maintenance Group propulsion flight Hush House at Langley Air Force Base, Va., July 22, 2015. Photo by Senior Airman Kayla Newman

The F-22 Raptor is powered by two Pratt and Whitney F119-100 engines. The F119-100 is a low bypass after-burning turbofan engine providing 156kN thrust.

The Pratt & Whitney’s website said the F119 engine delivers unparalleled aircraft maneuverability with its unique two-dimensional pitch vectoring exhaust nozzle. This convergent/divergent nozzle vectors thrust as much as 20 degrees up or down.

On December 15, 2005, the U.S. Air Force declared the F-22 Raptor combat-ready, having achieved Initial Operational Capability (IOC) status. This milestone signified the F119-powered F-22 completed its development testing and was prepared to fly and fight in defense of the United States of America and its global interests. Just two years later, on December 12, 2007, the U.S Air Force declared Full Operational Capability (FOC) for the F-22.

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