A group of several crew, including the owner, were separated from the yacht, and drifted out of sight... They were eventually recovered after almost 3 hours in the water, probably would have been a whole different ballgame if this had happened after dark...

This link contains some amazing images, like the one below by Richard Langdon/Ocean Images...

http://www.thedailysail.com/offshore/11/59513/0/phaedo-media-team-assist-in-rambler-crewmen-rescue