International Lease Finance Corporation (ILFC) has delivered its first Airbus A330-300 to AirAsia X.
The aircraft is the first of six, with three more coming before the end of the year and two in 2014, according to the lessor.
The A330 is powered by two Rolls Royce Trent 700 engines.
AirAsia X and ILFC signed a memorandum of understanding for the aircraft in August 2012.
The long-haul affiliate of Malaysia's AirAsia flies 10 A330-300s, according to Flightglobal's Ascend Online database.