Boeing and Asiana Airlines have completed an order for two 777-200ERs (Extended Range). The order is valued at $438 million at list prices.

The South Korean airline holds rights to substitute the larger 777-300ER which features increased payload and range capability, if needed, in the future.

Asiana currently operates 40 Boeing airplanes including nine Boeing 777s.

To date, 56 customers around the world have ordered more than 1,070 777s, making it the most successful twin-engine wide-body airplane on the market. Currently, Boeing has a backlog of more than 360 777 orders.