Pratt & Whitney
- August 9, 2011What makes the S-76D state of the art?
- April 11, 2011With the S-76D, Sikorsky takes a classic and makes it state of the art.
- March 30, 2011PW615 carbon buildup mystery seems solved.
- September 22, 20101For minor improvements in performance, the cost is huge.
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