For the very best in boating action look no further than this double sailing thrill in southampton take the rough with the smooth by holding on tight for a high speed ride in a 450 hp jet viper before sailing a world class sb20 keelboat as part of a tight knit crew kick things off with a briefing then get kitted out with a life jacket and waterproofs before heading out to open water in the jet viper once on the solent hold on tight while your skipper pulls off donuts crash stops side sli