Flight Refuelling Aviation at Bournemouth - UK operate some of these. They may be able to help with some of the numbers. Tel +44 1202 409013
I suspect that you'll be weight limited on take-off though. If I recall correctly, FRA's Falcons were certficated to a higher MTOW than the standard fit.
MTOW - 30 000lbs
MLW - 27320lbs
MZFW - 22000lbs
Good luck