On September 23, Air Astana has become the ninth operator of the Airbus A321LR with the reception of its first copy leased by Air Lease Corp. For the cabin layout, Air Astana has chosen a two-class configuration with 166 seats (16 in Business class and 150 in Economy). The airline also selected Pratt & Whitney PW1100G engines to power the long range version of the Airbus A321neo. The densest layout of the aircraft is Arkia’s which is configured in a unique class with 220 passengers. Air Arabia comes just after with 215 seats in one class, followed by Aer Lingus with 184 passengers split in two classes (16 in Business class and 168 in Economy). Thus, the less dense cabin of the Airbus A321LR is Air Astana’s, followed by TAP Portugal with 171 seats (16 in Business, 48 in Premium Economy, 107 in Economy). At the moment, TAP Portugal is the only airline that has chosen a tri-class layout. Same as Aer Lingus, Air Transat and Azores Airlines have chosen a two-class configuration for their A321LR with a total of 199 and 190 seats respectively.