HANOI, Vietnam, Nov. 8, 2019 /PRNewswire/ — Pratt & Whitney, a division of United Technologies Corp. (NYSE: UTX), announced that Vietnam Airlines signed a 12-year EngineWise Comprehensive service agreement for Pratt & Whitney GTF™ engine maintenance for the airline’s fleet of 20 Airbus A321neo aircraft. Vietnam Airlines’ first A321neo entered into service in late 2018. The signing took Leer másPratt & Whitney Secures EngineWise® Service Agreement with Vietnam Airlines[…]