they end up having to use a tug to pull the whales off back in port... its simply not possible to do it at sea with out serious call out fees and even greater loss of time.... port fees are ridiculous, minutes, is serious money, hours or more likely days caused by a hooked up whale is goin to get astronomically expensive, with out calling out a support boat to meet you, then going full stop mid ocean ext.... oh and lots of dead whales hook up to, its not always live ones...