Quote:
Originally Posted by StarLion45
 hi Sonicninja
Remember this, it's a very shallow water in the bay 4 mtrs only 
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I think it has 15 or 16 meters because I stay at periscope depth without problem, I enterend in Scapa Flow but there I can't find a passage trough nets and I get out. I tested the ideea to enter in a harbour, but is a cheat because you don't know real positions of nets or mine, normally use external view.
Prien entered in Scapa Flow thanks to a spy who notice the gap between two ships and that entrance it isn't guard by RN, altought no regular subs enter into harbour (italian and english use small subs to enter in Gibraltar, Alexandria and Norway fjord). But it is a game and anything it is possible.