The title of largest 777 operator has changed hands during the aircraft's history.
[1] The purchase comprised 34 firm orders and 43 options for the 777-200ER, all to be powered by Trent 800 series engines, and was valued at US$12.7 billion.
[1] The number of 777 customers had grown to 25 airlines by June 1997, with 323 aircraft on order.
[3] The combined orders would make the carrier's 777 fleet number 77 when deliveries were complete.
[5] On September 19, 2013, Lufthansa confirmed a firm order of 20 777-9Xs prior to an official launch of the aircraft.