Boating Coach
Buoys and markersQuestion 485 of 566

On a cardinal buoy, what do the topmark cones show?

  1. How deep the water is
  2. How fast the current moves
  3. Where the black bands are on the buoy
  4. Which vessels may pass
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Correct answer: Where the black bands are on the buoy

The cones copy the place of the black bands on the buoy.

Source: Safe Boating Guide (TP 511E, 2026), Cardinal Buoys and Special Buoys, page 65

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Questions last reviewed: 18 October 2026