Boeing and Swiss International Air Lines (SWISS) confirmed a new order for one B777-300ER (Extended Range), valued at $339.6 million at list prices. The Swiss airline had previously ordered nine B777s and taken delivery of six this year as it continues to establish the B777-300ER as its flagship.

Peter Wojahn, Chief Technical Officer, Swiss International Air Lines, said: "The 777-300ER will be the backbone of our long-haul fleet for many years to come."

Monty Oliver, Vice President, European Sales, Boeing Commercial Airplanes, said: "We value the continued confidence SWISS places in the 777 program and are honored that the 777-300ER will to play prominent role in the airline's expansion plans."

Bombardier C Series will gradually replace Avro RJ100s on SWISS’s short- and medium-haul routes between now and July 2017.

Boeing claimed that the B777-300ER is the most fuel and cost-efficient airplane in its class as well as the most reliable twin-aisle aircraft in the world.