The all weather lifeboat was launched to an 88m broken down cargo ship drifting towards the Rampion wind farm in the English Channel.
The ship with seven crew on board had suffered engine failure 14 miles off Shoreham. Once on scene, the cargo ship dropped its anchor and the lifeboat crew stood by for five hours in rough seas and freezing temperatures until a tugboat arrived from Bembridge on the Isle of Wight to take it under tow.
Once the tow had been secured, the tug started to tow the vessel to Southampton.
The lifeboat then left the scene and returned to station