Certified at 40,400 pounds of thrust, Pratt & Whitney’s F117 is the exclusive power for the U.S. Air Force’s advanced transport, the C-17 Globemaster III, developed by The Boeing Company. With four F117 engines powering each C-17, this aircraft can carry a payload of 160,600 pounds, take off from a 7,600-foot airfield, and fly 2,400 nautical miles unrefueled. The C-17 aircraft has in-flight refueling capability, and can also land on small austere airfields of 3,000 feet or less. The world’s ever-changing geopolitical landscape requires military capability. Whether it’s an airlift mission, humanitarian aid, or an overnight combat airdrop in an unsecured location, the F117-powered C-17 is ready to respond.
Unique to the C-17, the F117 engines are equipped with a directed-flow thrust reverser capable of being deployed in flight. On the ground, the thrust reverser can back a fully-loaded aircraft up a two-degree slope. Also noteworthy, the F117-powered C-17 set 22 world records during qualification testing before achieving Initial Operational Capability (IOC).
Today’s F117 engine—the reduced temperature configuration (RTC)—uses technical and material advancements such as second-generation single-crystal turbine materials, improved cooling management and thermal barrier coatings to lower operating temperatures. These enhancements contribute to the F117’s excellent reliability, durability and long time on-wing.
A Full-Authority Digital Electronic Control (FADEC) with greater capacity delivers higher operational performance, lower fuel burn and improved maintenance diagnostics. The F117-PW-100 engine is the military version of Pratt & Whitney’s PW2000 commercial engine. Because the F117 is derived from a commercial application, it meets all current and anticipated commercial engine requirements for low noise and exhaust emissions. The F117 engine is a solid performer and complements its commercial counterpart’s reputation as the world’s leading midrange-thrust engine.
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