One track. He was sent inland because of the road block airspace design
There was no military traffic at the time.
In North Amerca and the U.K. the pilot would have tracked overhead and not even required a clearance from the tower.
Holding OCTA that night without a DME or radar assistance would have been very difficult. The FSO was already concerned that the aircraft was getting close to the boundary .
The RAAF incompetents have prevented any worthwhile modernisation of the airspace for 50 years.
Even CASA said it should be class D like Broome - but these people are incapable of making a leadership decision that could save the industry money and improve safety