-PT109
-BISMARCK
-TITANIC
-POSEIDON

Then to be safer I bought the 1994 Monarch Pontoon and took it to the Ohio River.....where it quickly became the U-505 armed with 2 inert torpedoes.

The latest makes me feel far more secure: Compare the boat picture at the first link, to my boat at the second link. I think subliminally, it's why I feel secure in this boat.
Link 1: http://www.flickr.com/photos/smuckatelli/3141579038/
Link 2: http://www.fishin.com/forums2/showthread.php?t=89331