Boating Coach
Buoys and markersQuestion 507 of 566

A white buoy has a red flag with a white diagonal stripe on top. What does it show?

  1. Scuba or other diving is in progress
  2. A swimming area
  3. A speed limit
  4. A place to moor
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Correct answer: Scuba or other diving is in progress

This is a diving buoy. Keep clear of the area.

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

All questionsPractice the topic "Buoys and markers"

Questions last reviewed: 18 October 2026