Seafloor's ASDIC protection

[Sailor Steve]

Originally Posted by bigboywooly

Not too sure about being totally undetectable sat on the sea bed
There are more than a couple of accounts of warships dropping DCs on what they thought were sub targets only to find out later were wrecks

We also have no accounts from submariners for whom it didn't work; and with good reason.

I've related before the story of my aerodynamicist friend talking about the famous dive rate of the P-47 thunderbolt. Every time someone says "Yeah, they always got away from the Germans by out-diving them!", my friend replies "Well, except for the ones who didn't; and they ain't talking!"