Tug 'Castelo de São Jorge', registration SN-112-RA, and acquired by Reboport in 2013, with 80 tons traction is the most powerful tug, under Portuguese flag, currently operating in the Portuguese ports. Here captured at the Sines service harbour.

Main characteristics:
MMSI: 263625000
Call Sign: CSLU
LOA: 29.5m
Beam: 11m
Draught: 3.24m
GT: 386 tons
DWT: 162 tons
Main engine power: 2x2200 kW
Year of build: 2005
Builder: ASTILLEROS ZAMAKONA (BILBAO, SPAIN)
Flag: PORTUGAL
Home port: SINES
Class society: BUREAU VERITAS
Manager & owner: REBOPORT (SINES, PORTUGAL)
Former names:
MONTRAS until May 2013