Boating Coach
Buoys and markersQuestion 490 of 566

Which buoy marks dangers such as firing ranges and underwater pipelines?

  1. An anchorage buoy
  2. An information buoy
  3. A mooring buoy
  4. A cautionary buoy
Show answer

Correct answer: A cautionary buoy

Cautionary buoys also mark race courses, seaplane bases and areas with no through channel.

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

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Questions last reviewed: 18 October 2026