Pratt & Whitney announced on 25 September 2012 that the company had delivered the 500th F119 engine to the US Air Force. Pratt also announced that more than twenty years of simulated operational service testing had been completed on the F119, the 35,000 pound thrust class engine type that powers the F-22 Raptor air dominance fighter. During the most recent period of testing, an F119 production engine ran for nearly 570 hours, accumulating more than 2,000 cycles or approximately four years of service. The F119 has accumulated over 230,000 of actual operational flight hours powering the F-22 fleet. The final F119 engine is scheduled to be delivered to the Air Force by the end of 2012.
