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Hover or tap underlined Spanish terms to see their translation and exam tip.

Señale la afirmación correcta:Mark the correct statement:

Show the answer

Correct answer: a) Chart datum is the horizontal reference plane from which charted depths are measured vertically

Why it is correct

Chart datum is the plane of soundings.

Why the others are not

  • b) It is a vertical reference.
  • c) It is between high and low water.
  • d) It varies.

How to work it out in the exam

  1. Datum: soundings reference.

Where this question comes from

Try it: Navigation calculations

Pending instructor review. Machine translation, not reviewed.