[Subnuts]

Originally Posted by Cpt. Stewker

From this account, which you can find at http://www.marinefoundation.org/wreckshmsstubborn.htm, it seems that the deepest dive survived by an S-class sub was 166 meters.

That's a British S-boat. They're completely different designs.

http://en.wikipedia.org/wiki/British...ine_%281931%29

http://en.wikipedia.org/wiki/S-boat