The confirmation of an order for 66 planes, plus an additional order for around 30 A330neo jets is expected to be announced by AirAsia co-founder Tony Fernandes later on Thursday, people familiar with the matter said.

Other sources identified SaudiGulf as the airline behind an order for 10 A320neo reported by Airbus as an undisclosed customer earlier on Thursday.

(Reporting by Tim Hepher; Editing by Victoria Bryan)