I was looking at this with some light heartedness, however, now you mention it, a 747 is 400tonnes MAUW, so a 4000kg discrepancy is 10% of your total. How many flights are at MAUW in a 747? Because at lower weights it would be more than 10% inacurate! I seem to recall that a rule of thumb is "it cost a 1/3rd of a tonne to carry a tonne of extra fuel"? I will have to ask my airline friend for conformation. So that 4 tonne could be a bit more significant than i thought
Did you know that Ryanair have a league table of pilots fuel usage? Well the pilot at the bottom of the league costs the airline his wages in wasted fuel! I should imagine other airlines have similar league table? Perhaps some of our commercial contributer could clarify please?
Sorry for the thread creep.
