Navigation marks, lights and sounds | NSW Government

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Navigation marks

Navigation marks help you safely navigate a waterway. Use these marks in combination with your maps and charts to navigate safely.

Lights to display

All vessels need lights to be seen at night and when visibility is limited. Here are the lights you must display and what they mean.

Identifying vessels at night

Recognising these lights on other vessels will help you stay safe on the water at night or in restricted visibility.

Sound signals

When you're out on your vessel, you can use sound signals to help prevent collisions. Here's how and when to use them.