For bold u-boat skippers only!
I watched battlefeilds last night the topic was the atlantic war. Anyway alot of the show 75% was about u-boats. Anyways It said that bold and experianced u-boat captains when forced to dive stayed near the surface because Asdic was unreliable near the surface. And they would stay near the convoy because the convoy masked there noise. A destroyer had to be close to pick a sub up near the surface and when they went over the sub it left a blank window for the sub to escape/ change course while the destroyer was blind. I remeber that in AOD I used to do the same thing and it worked well. Anybody use this tactic? It makes sense since asdic points downward. Also the show stated that the rougher the weather the worse asdic worked near the surface.
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