Quote:
Originally Posted by johan_d
how did the uboat commanders noticed them if they had a high suspiscion of mines?
did they use sonar? or hydro ? or submerge a bit and look thru the periscope? how did they steer between them irl ?
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Passive sonar (hydrophones) won't pick up anything that's not making noise. Active sonar might bounce off the mines in the proper fashion, but that many small objects would give a hard-to-determine return. The water is far too dark and murky to see mines (or falling depth charges) through a periscope lens.
The answer is they didn't have a clue, except as has been described above.