Sydney Harbour, off Bradleys Head. 9 July 2015
Vessel at 33°51'24.46" S 151°14'58.02" E

Data from http://www.navy.mil.nz/mtf/cant/default.htm
HMNZS CANTERBURY L421
Specifications:
Displacement: 9000 tonnes
Length overall: 131 metres
Beam: 23.4 metres
Speed: 19 knots
Complement: Core ship's company: 53
Flight personnel: 10
Government agencies: 4
Army ship's staff: 7
Trainees: 35
Troops: 250
Total: 360
Propulsion: Combined Diesel – Electric propulsion
Flight deck: Two helicopters spots and hangar storage for up to four.
Armament: 25mm Bushmaster naval cannon. Two .50 calibre machine guns