Airbus added three aircraft to its 2013 order book in May, following EasyJet's conversion of three Airbus A320 options.
Total net orders in 2013 reached 493 as of 31 May, taking Airbus' total backlog to 4,928 aircraft.
The airframer delivered 45 aircraft in May, bringing the number of aircraft deliveries in 2013 to 247 as of end-May.
The May deliveries comprised 36 A320s, seven A330s and two A380s. Among the carriers that received aircraft were US Airways and Air Astana.