Dangers of LED navigation lights - Page 3 - SailNet Community
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post #21 of 67 Old 01-25-2011
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Quote:
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So when is it appropriate to energize the spreader lights??
Rule 1701; Just before you energize the phasers...
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post #22 of 67 Old 01-25-2011
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LOL...you're a riot.

Seriously though, I've been told that it's inappropriate to burn them when sailing or motoring because they can be mistaken for other navigation lights, but you'd think that they would be great for illuminating your mast and deck at anchor to avoid a collision.

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post #23 of 67 Old 01-25-2011
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Have you ever seen a cruise ship / fishing boat at night?


I don't believe that there is a CFR that addresses work lights.

However, as Jackdale points out, you'll fry your night vision.
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post #24 of 67 Old 01-25-2011
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Rule 30(c) A vessel at anchor may, and a vessel of 100 meters and more in length shall, also use the available working or equivalent lights to illuminate her decks.
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post #25 of 67 Old 01-25-2011
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Let me rephrase that then; I don't believe that there is a CFR that restricts the proper use of work lights
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post #26 of 67 Old 01-25-2011
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Rule 1701; Just before you energize the phasers...
Isn't that required by interstellar treaty??

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post #27 of 67 Old 02-13-2011
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eherlihy

There is not a guarantee that commercial shipping will see your class B AIS transponder. The Furuno 2117 radar which is IMO approved for commercial shipping and includes class B filtering, which due to annoyance, is usually turned on when inshore. There is no guarantee that it is turned back on when they head to sea. This link explains in detail. It's an interesting discussion.

SetSail » Blog Archive » Class B AIS Filtering – The “Myth” Is Real

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post #28 of 67 Old 02-13-2011
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Umm, yes and no. The system will always show targets that are a serious collision risk, regardless of what sort of filtering is in place. More discussion here: Panbo: The Marine Electronics Weblog: Class B AIS filtering, the word from Dr. Norris

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post #29 of 67 Old 01-07-2013
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Re: Dangers of LED navigation lights

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Originally Posted by BubbleheadMd View Post

I understand that the USCG will certify a light based on it's brightness, arc of visibility, and color spectrum, but NOWHERE in the COLREGS can I find a reference to color spectrum beyond the words "white, yellow, red, green" etc.
Look in the Annexes of the COLREGS. They define both the spectral and angular characteristics.
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post #30 of 67 Old 01-07-2013
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Re: Dangers of LED navigation lights

Late to the thread, but I have often seen LED Starboard Sidelights that look Blue.
I have no idea if they are regulation lights or not because I am the observer not the one being observed.
I don't like them.

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If a man is to be obsessed by something, I suppose a boat is as good as anything, perhaps a bit better than most - E.B. White
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