WASHINGTON, Dec. 1 (UPI) -- The first U.S. Air Force C-130 aircraft equipped with a Rolls-Royce T56 series 3.5 engine upgrade completed its first flight.
After the flight concluded, Rolls-Royce says the plane demonstrated improved fuel efficiency in addition to lower operating temperatures and high-altitude performance. The company noted a fuel efficiency increase of approximately 12 percent. Turbine temperatures were over 100 degrees Celsius lower.