What should you apply to a fathometer reading to determine the depth of water?
Official USCG Answer & Rule Citation
Correct Answer: Option C — Add the draft of the vessel.
In USCG General Navigation principles (Bowditch, Light Lists, and Coast Pilots), regarding 'What should you apply to a fathometer reading to determine the depth of water', the verified fact is: 'Add the draft of the vessel.'.
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