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Originally Posted by TomcatMVD
Best way to place your sub on the sea bottom is to blow ballast next to a DD... Flawless technique!
Anyways... I didn't know it was done IRL  , but it does make sense of course... it should screw ASDIC to hell! |
Actually, on a soft bottom sea floor (sand, mud), I'd expect that a large metal object, like a submarine, would return a sharp, focused and easily recognized active SONAR/ASDIC echo. I'd think you'd stand out from the bottom like a sign post. Wrecks certainly do.
Passive hydrophone's might not find you, but active sure should.