Pratt & Whitney Statement on DOT&E Report

Similar to previous reports, the latest DOT&E F-35 report points to the tremendous amount of positive progress made by the F-35 program last year.

The F135 engine specifically has averaged 98 percent mission availability, achieved more than 26,000 ground test hours, more than 21,500 flight hours, and powered more than 750 vertical landings. The F135 proved its durability through very rigorous live fire testing, and the engine also performed exceptionally well during carrier trials from the USS Nimitz in November, powering the F-35C without a single instance of unscheduled engine maintenance. To date, we have delivered 183 production engines to our customers.

This DOT&E report lists propulsion issues that are well known to the F-35 Joint Program Office and the Services. These issues have been well documented and we are aligned with our customers on solutions. We have validated and approved an upgrade to the fleet to address the Eglin event, eliminated the flight restrictions on the SDD fleet, and begun implementing changes for the remainder of the fleet. The F-35 program is 60 percent through flight test development. We expect to learn things in development testing, and we will apply lessons learned to field the most technologically advanced and reliable engine for the warfighter.

2014 was year of great momentum for the F-35 program on all fronts. We remain extremely confident we'll be able to support our customers' future major program milestones, including U.S. Marine Corps Initial Operating Capability (IOC) in 2015 and U.S. Air Force IOC in 2016.

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