Larger Biz Jet's (Gulfstreams, Falcon, Challengers)
Command 70-100K
Co-Jo 25-55K
Hosty 25 Upwards
Freelance 350-600 per day
If you are at the lower end of that there will usually be some kind of per diem too.
All figures are very approx and many fall outside the parameters on the low and top end depending on how good the company is.