Isolated Danger Marks

Isolated Danger Marks are used to mark small, isolated dangers with navigable water around the buoy. These buoys are typically used to mark hazards such as an underwater shoal or rock. They are coloured Black and Red.

The buoy illustration shows a Class Two configurations of buoy. These are approximately 3 metres in diameter and weigh approximately 6 tonnes excluding moorings.

Above: Isolated Danger Class Two Solar Buoy