Sydney Harbour, Svitzer base Mort Bay. 12 March 2013
See Google Earth 33°51'21.36" S 151°11'20.43" E

Left to right :

WILLARA (since 01/03/1997) ... IMO number : 8203127
Call Sign : VMBE ... Gross tonnage : 350 (since 01/03/1983) ... DWT : 287
Type of ship : Tug (since 01/03/1983) ... Year of build : 1983 ... Flag : Australia (since 01/03/1983)

WATAGAN (since 01/12/1996) ... IMO number : 8511976
Call Sign : VJJL ... MMSI : 503083000 ... Gross tonnage : 352 (since 01/09/1986)
Type of ship : Tug (since 01/09/1986) ... Year of build : 1986 ... Flag : Australia (since 01/09/1986)

GIRU (during 1991) ... IMO number : 9015644
Call Sign : VZ84764 ... MMSI : 503082000
Gross tonnage : 308 (during 1991) ... DWT : 412
Type of ship : Tug (during 1991) ... Year of build : 1991 ... Flag : Australia (during 1991)

WOONA (during 1984) ... IMO number : 8302650
Call Sign : VJEI ... MMSI : 503075000
Gross tonnage : 427 (during 1984) ... DWT : 420
Type of ship : Tug (during 1984) ... Year of build : 1984 ... Flag : Australia (since 01/06/1984)