Tracking requirements (visual app): ATC AU-705 (1.7.5.4) Jepp reference.
Visual approach in CTA
a) maintain track/heading on route authorised by ATC until:
(1) by day, within 5NM of the aerodrome; or
(2) by night.
- IFR flight, within the prescribed circling area.
- VFR flight, within 3NM of aerodrome and aerodrome in sight.
b) From this position the circuit must be joined as directed by ATC for
approach to nominated R/W.