A 6 knot speed limit sign as a shipping buoy, for use with the City Cat Ferry models to enable them to slow down to pick up passengers. Place it close to the City Cat landing terminals.
6 knots = 11 kph = 3.06 metres per second. This buoy is coloured green and places 7 metres to the right of the track.
The model installs as City Cat 6 knots Green under Trackside in the Australia listing.