If you are approaching an anchored craft, the anchored craft will be exhibiting an all-round white light to indicate to other boaters that their craft is at anchor. Remember: anchored boats should never display their green and red sidelights as these lights will indicate to other boaters that your craft is underway.
What does a single white light on a boat tell you at night?
Powerboat A: When only a white light is visible, you may be overtaking another vessel. Give way to either side.
What lights should be displayed when anchored at night?
Anchored boat lights
Anchored at night, the operator of a powerboat must display, from sunset to sunrise, in the fore part, an all-around white light. A powerboat anchored at night must display an all-around white light.
Why do boats use red lights at night?
Red light, night light. The human eye is less sensitive to longer wavelengths, so red light is chosen to preserve the night vision of the crew while still allowing them to still see their instrument panels.
What precautions should be taken before boating at night?
Night Boating Tips
- Slow down, visibility is reduced at night.
- Share the lookout duties.
- Tap into your preparations list.
- Preserve your night vision.
- Don’t use headlights or spotlights.
- Look for the red and green.
- Listen, listen, listen.
- Trust your navigation instruments.
Do you have to have red and green lights on a boat?
You’ll need one red light and one green light at the front port and starboard sides of the boat for these boats. These lights should be positioned so that they can be seen at an angle of 112.5 degrees. The sidelights should be strong enough to be seen from a mile away.