AirAsia X, the long haul affiliate of Asia’s largest low cost airline, has placed a firm order with Airbus for 55 A330neo aircraft. This is the largest single order to date for the best-selling A330 Family and reaffirms AirAsia X’s position as the biggest A330 airline customer worldwide, having now ordered a total of 91 aircraft. The announcement covers the firming up of a Memorandum of Understanding (MOU) for 50 A330neo signed during the Farnborough Air Show in July 2014, plus an additional five aircraft. Deliveries of the newly-ordered aircraft will begin in 2018. Rolls-Royce has been selected by AirAsia X to power 10 Airbus A330ceo and 55 Airbus A330neo aircraft with engines and long-term TotalCare support worth US$6.2bn.