Buoys and markersQuestion 473 of 566

You head upstream. You pass a green pillar buoy. Which side of your boat is it on?

  1. Port (left)
  2. Starboard (right)
  3. Either side, as you wish
  4. It is behind the boat
Show answer

Correct answer: Port (left)

A green pillar buoy is a port buoy. Going upstream, you keep it on your left side.

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

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Questions last reviewed: 18 October 2026