I'm playing GWX 1.02, and the passenger/ cargo ship was spotted 100 miles or so NW of Lerwick sub base.
As there weren't significant numbers of passengers present I first confirmed it was a british ship and then lined up my shot. Let rip with 2 fish (both hits) and then surfaced to finish her off with my deck gun (type IX). I guess I could have just used the deck gun and saved torpedoes... The deck gun broke the ship in half...
On the same patrol I earlier spotted the Nelson and Rodney with a destroyer escort of the coast of Norway at night. I went to periscope depth, but couldn't gain any ground. I fired a spread of torpedoes at very long range but scored no hits so I eventually let them go. I think now I should have got closer on the surface maybe? Any thoughts?