General Navigation USCG Question #458 (Set 15)

When utilizing a Pacific Coast chart, the reference plane of soundings is __________.

Official USCG Answer & Rule Citation

Correct Answer: Option D — mean lower low water

In USCG General Navigation principles (Bowditch, Light Lists, and Coast Pilots), regarding 'When utilizing a Pacific Coast chart, the reference plane of soundings is', the verified fact is: 'mean lower low water'.

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