Singapore Airlines will spend 1.1 billion Singapore dollars ($834.66 million) to upgrade all classes on its 41 Airbus A350-900 long-haul and ultra-long-range planes by the end of 2030, the airline said on Monday.

Singapore International Airlines will renovate cabins, seats and in-flight entertainment systems on 41 airbuses.

Singapore Airlines Ltd. is introducing first class on its ultra-long haul flights for the first time as part of a sweeping S$1.1 billion ($835 million) upgrade to its cabin products.