'Southwark' sailing on the river Thames near Tower Bridge (London, 12 August 2012).

Name: Southwark
Type: Harbour Patrol / Pilot Launch
Year of build: 2010
Builder: Alnmaritec (#106)
Class: Wave Guardian
Length overall: 13.5 m
Beam overall: 4.8 m
Displacement (light): 11.0t
Speed (light): 21 knots
Power: 400 bhp
MMSI: 235082675
Call sign: 2DWY5
Port of registry: London
Flag: United Kingdom [UK]
Operated by Port of London Authority (PLA)

Sister ships: 'Lambeth', 'Kew' and 'Barnes'