There are a few tatty old pontoons scattered around on the mud in Portsmouth harbour, rotting quietly, so the difficulty may well be to know which is broken free and which is just broken. Most seem to have equally tatty fisherman's kit on them; a few may even have the necessary paperwork
Interview without tea or biscuits for the author of 41/21, for not checking.Seems the correct answer was "sank". According to 44/21