A plane on an instrument approach when told to go around is expected to follow the missed approach procedure. Which 9 out of 10 times includes flying over the runway.
Here's the details for the runway in question: https://www.airservicesaustralia.com/aip/current/dap/SSYGL06...
For an instrument flight there is a defined missed approach route that usually includes specific altitudes and turns to get you to some holding position.