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Old 10-22-09, 04:18 AM   #9
slupanter
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Join Date: Jan 2008
Location: the sea
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http://www.uboataces.com/uboat-type-xxi.shtml


Crushing depht 919ft (280m) ASDIC could see you at this depht at 2knots, warm and cool bands would mask the boat even at 200m. if you were singing, clanging and ahead full then your asking for trouble even maybe 280m
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U997, Little rusty but she'll do.
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