Firefighters, in boats, rescued him fromthe fast-flowing beck - which flows into theRiver Swale - and he was transported by air ambulance to James Cook University Hospital, in Middlesbrough.
De Waal upped the ante in 1996 when he rescued Velsheda, originally built for the owner of the British Woolworths chain, from a river in England where she had been grounded and serving as a houseboat.