This graph shows a telling picture, when Darwin, Townsville and Williamtown are having as many or more Loss of Separation Incidents as the major capital airports with a far greater amount of movements it's probably time for an inquiry or changes in RAAF ATC
Just to put the above in comparision, Darwin and Gold Coast airports have roughly the same amount of movements in similar aircraft categories:
http://www.airservicesaustralia.com/...y-2014_ORS.pdf