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You are approaching the stern of another vessel
A vessel displaying a visible white light signifies that it is a power-driven vessel. Observing this light helps determine the vessel's status and potential course of action to avoid a collision.
The red light would be the port steaming light and the white one the masthead light. The other vessels head would be at an oblique angle to you. It depends on the vessels relative bearing on what your reaction should be but it would need to be kept under observation at the very least.
The red light would be the port steaming light and the white one the masthead light. The other vessels head would be at an oblique angle to you. It depends on the vessels relative bearing on what your reaction should be but it would need to be kept under observation at the very least.
Vessels engaged in fishing. (Not trawling)
The red light would be the port steaming light and the white one the masthead light. The other vessels head would be at an oblique angle to you. It depends on the vessels relative bearing on what your reaction should be but it would need to be kept under observation at the very least.
The port side of a vessel carries a red light, whilst the starboard side carries a green one. A white light would be either in the centre to act as a headlight or extra illumination for the benefit of other vessels, or on the masthead to indicate the height of the boat.
This white-colored light that must be visible from all angles is called an anchor light. It is usually situated atop the mast.
All power vessels must have a white Stern light. Rules differ slightly between power boats and sailing vessels, where sailing vessels can have both their port, starboard and stern lights on their mast. An all around white light denotes a vessel at anchor. If a vessel is longer then I think its 200', then they must have two all around white lights, one forward and one aft in addition to their red and green navigation lights. Vessels towing have a yellow light which signifies they are towing. They also have the back white light. The white light stands higher in the air its usually on a post or something so it could be higher in the air.
The vessels head is toward you, the green light is the starboard running light, the white light is the masthead light Actually since the red and green nav lights must be seen at an angle of 135 degrees from bow to aft of amidships and a stern light also is seen at least 135 degrees you could be behind and to starboard. If the white light is high off the water then it is most likely coming at you.
Power-driven vessels less than 65.6 feet long must exhibit a white masthead light and a white stern light between sunset and sunrise when underway. Additionally, they should also display red and green sidelights when the visibility is restricted.
maneuver to avoid a collision