Mmmmm ....
A/C empty 4480kg (if t'boom has -200 mod. increase by 65 kg approx), MTOWA 6800kg, fuel burn 410 kg/hr (depending on wt & alt flown), Max fuel cap 1670kg (with Aux tanks fitted) and we tend to cruise at 135Kts IAS which usually gives a TAS of around 150Kts ....