Perf
Hi,
assuming:-
your BOW is about 22,500 ( fairly average )
pax at about 200lbs inc small bags, 1000 total
planning cruise at FL430 ( flt time about 2:00 hrs )
Fuel required will be in the region of 4500 plus say 2000 as reserve,
so you'll want an available rwy of 4200-4300ft
check your pms too