Quote:
Originally Posted by bobdoane
Early in the film Krause orders a speed of 30 knots, which is very unlikely given the sea state depicted. The ship’s screws would have spent 20 to 30% of their time out of the water. This is almost excusable but then when he wants to begin the sonar search, he orders a speed of 22 knots. Even if the sea state had been calm, this would have been way too fast to get reliable return echoes on the sonar sets of the time. The best probable speed would be about 12 knots.
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Yeah, I caught that too. I was puzzled, because in the book it does list 12 knots as the fastest active sonar speed. Wonder why they changed that for the movie...?