Buoys and markersQuestion 493 of 566

Which orange shape on a special buoy marks a hazard such as shoals or rocks?

  1. A square
  2. A circle
  3. A diamond
  4. A triangle
Show answer

Correct answer: A diamond

A hazard buoy shows its information inside an orange diamond.

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

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Questions last reviewed: 18 October 2026