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Old 02-09-2024, 14:26   #1
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Sailboat anchor light

It's been common assumptions that a sailboat must have a 360 degree all around light on between dusk and dawn mounted at the highest point on the mast. This seems to be legally inaccurate based on the USCG NAVIGATION RULES , part 30. My understanding is that 360 degree white lighting may be mounted "where it can be seen " either at the stern or the bow area ". I was recently challenged by a sheriff in Jacksonville FL and told that my light must be at the top of the mast.

Any response?
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Old 02-09-2024, 14:35   #2
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Re: Sailboat anchor light

Quote:
Originally Posted by sailalibi View Post
It's been common assumptions that a sailboat must have a 360 degree all around light on between dusk and dawn mounted at the highest point on the mast. This seems to be legally inaccurate based on the USCG NAVIGATION RULES , part 30. My understanding is that 360 degree white lighting may be mounted "where it can be seen " either at the stern or the bow area ". I was recently challenged by a sheriff in Jacksonville FL and told that my light must be at the top of the mast.

Any response?

Google COLREGS


Yes, "where it can best be seen," which is apparently open to some interpretation. Some think the top of the mast is best, some think closer to the water is better. I suspect the word "best" is what he is hanging his hat on. Or he just thinks that is where they go.

In Appendix 1 further clarifies that it cannot be blocked for more than 6 degrees of the arc. It also says that anchor lights need not be placed at an impractical height above the deck (Annex 1, 9bi).
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Old 02-09-2024, 14:41   #3
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Re: Sailboat anchor light

I have a lantern attached to the end of my boom as anchor light.

It's so bright it lights up the whole back section of the boat and is also visible for 360 degrees.

Whereas with a masthead light, all you see is this tiny light in the air.

I was anchored recently and I knew there was a boat in a certain area, but it was hard to determine that with this tiny masthead light.
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Old 02-09-2024, 15:18   #4
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Re: Sailboat anchor light

It is always possible (not likely, just possible) that Florida has a state rule about anchor lights.

More likely is the deputy involved has never actually read the technical chapters of the ColRegs. There is no requirement that an anchor light be at the top of a mast.

There are even specifications for how to comply using multiple lights.
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