Sydney Harbour, Walsh Bay. 18 April 2013
See Google Earth 33°51'10.46" S 151°12'08.34" E

Note use of SECOND CONTROL STAND Flying bridge. Mentioned in owner web site link below

RHUMB MELBA
Marine Traffic data : Ship Type: Tug ... Length x Breadth: 16 m X 6 m
Speed recorded (Max / Average): 10.7 / 9.1 knots
Flag: Australia [AU] ... Call Sign: VJN4111 ... IMO: 0, MMSI: 503723900

Owner web site data with drawings http://media.wix.com/ugd//97076e_1d2e1590d5cba49fac9a4b48a5973f84.pdf
YARD NUMBER 503168 ... BASIC FUNCTIONS Towing, mooring, pushing
CLASSIFICATION Bureau Veritas ... I X Hull • MACH TUG Coastal Area.. incl. tonnage certificate
FLAG Australia ... SAILING AREA NSCV code 2C, restricted offshore operations
OWNER Rhumb Maritime Pty Ltd, Australia
LENGTH O.A. 16.76 m ... BEAM O.A. 5.94 m ... DEPTH AT SIDES 2.54 m ... DRAUGHT AFT 2.25 m
DISPLACEMENT : 94 ton (approx.)

BARGE : PM MELBOURNE, the former A.M.S. MELBOURNE. Owned since 2/2013 by Polaris Marine Pty Ltd,
Registry : SINGAPORE Classification : ABS Year Built : Delivery December 2008
Length : 114.83 Feet (35.00m) Breadth : 55.77 Feet (17.00m) Depth : 11.48 Feet (3.50m)
Deck Load : 15 Ton / m2 Deck Plate : 16 mm Hull : 10 mm
Number of bulkheads : Two (2) Longitudinal / Four (4) Transverse
Deck Fittings : 1 Set Navigation Light Stands ... : Metal Hand Rail