Quote:
Originally Posted by Dave R
You cannot legally have more than one light visible from behind. Simple fix would be to block the tall all-around light so that it is only visible from 112.5° on the port side through dead ahead to 112.5° on the starboard side (same as red and green lights). Then ensure that the stern white light can only be seen 67.5 degrees both sides off-center and is visible 2 nautical miles away.
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Regarding two stern lights:
I believe that two white lights from behind indicates a sailboat under sail and you must yield right of way. Said sail boat must switch to one rear facing white light when powered by a motor or engine.
https://www.westmarine.com/WestAdvis...on-Light-Rules
So there is some logical reason for this, but this is a topic for a different thread.