US-based Pratt & Whitney on December 19 announced an operational landmark for its PW4000-94-inch engine, declaring that it has “surpassed 150 million flight hours and 35 years of operational experience” since the first of over 2,500 of the engines was delivered in 1987. T The evergreen PW4000-94-inch is in use by more than 70 customers across 30 countries, the manufacturer said, including in the Boeing 747/767 and the Airbus A300/310. “This milestone is a testament to the PW4000-94-inch engine’s legacy of reliability and performance,” said Bernie Zimmerman, vice president, operational commercial engines, Pratt & Whitney, lauding the engine’s “excellent operational

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