Sydney Harbour, off Bradleys Head. 17 March 2010

Y298 Royal Australian Navy Minesweeper Auxiliary.
Displacement 413 tonnes. Draught 4.2m Cruising range 4,500 NM at 10 knots.
Built in 1982 and operated as tugs in Singapore. Entered service 1990.
Primary role of support to visiting warships.
Secondary role as minesweeping platform towing mechanical and influence sweeps with the occasional route survey ops.