Originally Posted by
Jumbodriver
I'd also be surprised if it can lift a full load out of Joburg in the summer with LHR fuel. Theres a reason SAA only have 4 engined jets!
Theres only 1 thing less reliable than BA pilot gossip and thats BA cabin crew gossip! Ask an engineer.
When you look at the range charts that Boeing publish
http://www.boeing.com/commercial/777...rc_london.html
it looks feasible....