With all due respect ....How long is a piece of string ???. .. .Depends upon your licence issue State ! Is it Oz , JAA, FAA etc etc. .What is your experience on jets > 25 tons?. .. .JAA ( especially UK) licence is common here so they are used at the CAD to dealing with it. Usually have to do AK Airlaw, Performance A and Type perf &Type examination.. .. .ANy company you join will provide the training and it is well done so relax !!!