747-400 and A340 fuel system differences

[jettison valve]

what you said about fuel management (wing bending relief etc.) is certainly true.

unless... well, unless we are talking about current operations of for example B744s... ... have a look at

http://www.airweb.faa.gov/Regulatory...7?OpenDocument

will they ever get the pump story fixed...???

cheers,
j.v.