You want to transit Hell Gate on 23 July 1983. What is the period of time around the AM (ZD +4) slack before ebb when the current will be less than 0.5 knot?
Official USCG Answer & Rule Citation
Correct Answer: Option D — 0939 to 0957
In USCG General Navigation principles (Bowditch, Light Lists, and Coast Pilots), regarding 'You want to transit Hell Gate on 23 July 1983. What is the period of time around the AM (ZD +4) slack before ebb when the current will be less than 0.5 knot', the verified fact is: '0939 to 0957'.
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