Jan, they did indeed have a tanker called “Clutha River” – I can recall two stories that give an insight into her unique character: (a) she had a cracked stern-shaft at one stage which meant that she could not be run astern without the risk of the entire shaft and propeller taking off on its own…. and (b) during a transit of the Panama Canal she developed a small leak from one of the rivets in the shell plating, so the mate decided action was required in the form of a bosun’s chair, and someone in it with a large hammer to “flatten the rivet and make it oil tight again”. A goodish plan except that the first blow landed on the rivet head and instead of making it into an oiltight mushroom, it drove the entire rivet at speed into the cargo tank, thereby making a small weeping leak into a large oily trickle. A sort of “boy and his finger in the **** in reverse”. The Canal Authority was un-amused, but late at night they missed the offending ship which made good its escape leaving a trail behind her…