As I said above Jack, the cost to carry additional fuel is sweet FA on sectors of this length. When I was flying ultra-longhaul I'd load an extra tonne, and finish up with only something like 650 kg at the other end!!!
BB, the figures you produce are typical of contemporary management BS, and (no disrespect to you intended) but this is precisely the sort of crap that is being circulated. In fact nobody is advocating loading extra fuel on EVERY sector, only where it would be prudent to do so. Furthermore, coming up with a composite figure is a complete nonsense. It is STILL only a percentage of the total fuel burn, and not a very high one at that. Definitely not relative to the emphasis being placed on it by non-pilots. Washing aircraft and maintaining their exterior condition (seals etc) results in very significant fuel savings, but how often do we hear of that line pushed
