Question 484Navigation General70% to pass
Your chart indicates that there is an isolated rock and names the rock using vertical letters. This indicates the _______________.
AI Explanation
The correct answer is A) the rock is dry at high water.
The use of vertical lettering to name a feature on a nautical chart indicates that the feature, in this case an isolated rock, is dry at high water. This is a standard convention used on nautical charts to denote features that are visible and potentially hazardous to navigation at high tide.
The other answer choices are incorrect because: B) the exact position of the rock is not doubtful, as its location is clearly marked on the chart; C) the rock is a hazard to all vessels, not just deep draft vessels; and D) the rock is dry at high water, not just visible at low water springs.
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