JBut jst in case readers do not know go to
http://www.boeing.com/commercial/air...777_2lr3er.pdf
I am a bit shocked at Overrun's figures though. The cruise portion route cannot be shorter than 5950nm in still air in my estimation. With the slighest headwind at 8kts that makes a cruise ground speed of 467kts.
I won't trouble to go on with the rest of the calculations but that is a pretty mean route when it goes windy.
352 tonnes weight Overrun?