Quote:
Originally Posted by Avio
In Hunt for Red October, the Dallas boasted of tailing the Red October just right on their tail at same depth. And it is said there had been real incidents of such tailing around in the real world, with occasional underwater fender-bender incidents even !!
So somehow they must know the other sub's depth.
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Eh... I love that end scene, I love that movie, but all those boats are flying around at flank in that scene. They ain't hearing nothing.
If you're in close, yes, you may able to tell at least whether a sub is above or below you. But at long distances, like a few miles, the sound rays bend around a lot. It's not like seeing something in the air where light moves in straight lines. Sound goes through all kinds of weird distortions under water.