FEBA is right on both counts:
good explanation of zfw limitation, and
everything else on this thread is a load of bollocks!
Special mention though to Captain 101 - you have certainly established your credentials as a pilot ............. I haven't encountered such complete ignorance in over 20 years in the industry. (perhaps you might like to consider taking along a dog when you fly
)
So as a dipstick check of dispatcher knowledge (or is it a dispatcher check of dipstick knowledge
) ......
who can answer the following:
"when do you need to include fuel in your zero fuel weight?"