Boating Coach
Buoys and markersQuestion 482 of 566

A white diamond daybeacon with a red border has a red triangle in the centre. What does it show?

  1. A junction, with the preferred channel to the right
  2. A starboard hand edge
  3. An isolated danger
  4. A junction, with the preferred channel to the left
Show answer

Correct answer: A junction, with the preferred channel to the left

The red triangle shows the preferred channel is on the left.

Source: Safe Boating Guide (TP 511E, 2026), Lateral Buoys and Standard Daybeacons, page 64

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Questions last reviewed: 18 October 2026