TSK -
as many aircraft were in a serious low fuel state ( KLM declaring a " Low Fuel Emergency having gone around immediately after the AF crash
- it has been pointed out many times - and on this thread - that is not necessarily a 'serious low fuel state' but NORMAL operating procedure when a diversion MAY land the a/c with less than RESERVE fuel (30 minutes flying time in JAROps)- not 'fumes' or 'short'.
Refer to 'NigelOnDraft' above? All the fuel facts (and more) will be 'found' by the investigating team and then you will know - and can feed.