When boating at night, what does a single white light on a boat tell you?

When someone is navigating a boat at night and they see a white light on a boat. That means that you just encountered another vessel.

Explanation:

Hi, this is a very dangerous situation so please remember well that anytime you see a white light when you are navigating a ship at night it means there is another vessel in that direction. So, you have to provide it some space, because it will be difficult for both of the navigators to calculate the size of the other vessel. So, you have to make your course wider. In those cases also you can provide the other vessel a sound signal that you are incoming in the opposite direction.

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