ATD 2909 tractor tug SD RELIABLE at Portsmouth Naval base 12th June 2010
Built 2009 by Damen (Crist, Gdansk)
Manager: Serco Ltd
Owner: SD Marine Services Ltd
GRT 271
Length 29, beam 10 metre
Twin Rolls-Royce US 205 CP fully azimuth propulsion units, powered by two Caterpillar 3512B TA HD+/C diesel main engines, 13 kts
Bollard pull 40 tons
Identical sister tugs SD Bountiful, SD Resourceful, and SD Dependable