For anyone who thinks that having other people in the boat means you don't need to bother wearing a kill-cord...have a read:

http://www.bbc.co.uk/news/uk-england-cornwall-22560652

Father/husband killed, 8yr old daughter killed, mother/wife lost a leg, 4yr old in need of surgery. And this was a decent sized RIB, not a small tippy-slippy dinghy.