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Old 12-07-2016, 02:25 PM   #1
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Day Mark Confusion

Was diving out of Tavernier inlet in the FL Keys last week. Coming back in the channel from the ocean were numerous pairs of day marks. #10 was a white triangle with maybe a 6" red boarder and the number "10" on it. Same size and shape as a normal red day mark but white with a red boarder. No other unusual markers in the channel. Wished I had taken a picture of it. Anybody know what the different coloring signifies?

Ted
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Old 12-07-2016, 03:30 PM   #2
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Triangle day mark means red. Even number means red. Chart shows red day mark. Bad paint job?
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Old 12-07-2016, 04:04 PM   #3
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That might be an indication that you can pass on either side of the mark. Very common at channel intersections. But usually red/green.

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Old 12-07-2016, 04:50 PM   #4
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On the USCG site, Aids to Navigation, the red day marks show pink(ish) interior with a red border. Could it have been something like a faded one of those?

https://www.uscg.mil/d13/docs/usaids...let23dec03.pdf

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Old 12-07-2016, 07:26 PM   #5
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Quote:
Originally Posted by High Wire View Post
Triangle day mark means red. Even number means red. Chart shows red day mark. Bad paint job?
I'd treat it the same way.
Chart note states day markers are privately maintained so who knows.
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Old 12-07-2016, 07:39 PM   #6
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Quote:
Originally Posted by High Wire View Post
Triangle day mark means red. Even number means red. Chart shows red day mark. Bad paint job?
Pretty sure this was done intentionally and means something specific.

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Originally Posted by djmarchand View Post
That might be an indication that you can pass on either side of the mark. Very common at channel intersections. But usually red/green.

David
This area is shoal on either side of the channel. No way you're going outside this mark. There aren't any channels off the main channel.

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On the USCG site, Aids to Navigation, the red day marks show pink(ish) interior with a red border. Could it have been something like a faded one of those?

https://www.uscg.mil/d13/docs/usaids...let23dec03.pdf

Ken
This is a relatively new mark in good condition, not something old and faded.

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I'd treat it the same way.
Chart note states day markers are privately maintained so who knows.
These aren't private channel markers, standard Coast Guard size, shape and mounted on pilings or "I" beams.

Will be back in January and plan to take some pics.

Ted
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Old 12-07-2016, 08:03 PM   #7
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Private Aids to Navigation need to comply with IALA (International Association of Lighthouse Authorities) region B standards and will have the same shape and numbering as Federal aids. U.S. Coast Guard permits the private aids to navigation. https://www.uscg.mil/d11/DP/PatonOne.asp

If you look the aid to navigation up in the light list it will tell you if it is Federal or Private.
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Old 12-07-2016, 08:51 PM   #8
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Quote:
Originally Posted by O C Diver View Post
Was diving out of Tavernier inlet in the FL Keys last week. Coming back in the channel from the ocean were numerous pairs of day marks. #10 was a white triangle with maybe a 6" red boarder and the number "10" on it. Same size and shape as a normal red day mark but white with a red boarder. No other unusual markers in the channel. Wished I had taken a picture of it. Anybody know what the different coloring signifies?

Ted
It sound like it's just faded. I've seen them like that before.

Is this the channel you're talking about?
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Old 12-07-2016, 10:01 PM   #9
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Quote:
Originally Posted by O C Diver View Post
Was diving out of Tavernier inlet in the FL Keys last week. Coming back in the channel from the ocean were numerous pairs of day marks. #10 was a white triangle with maybe a 6" red boarder and the number "10" on it. Same size and shape as a normal red day mark but white with a red boarder. No other unusual markers in the channel. Wished I had taken a picture of it. Anybody know what the different coloring signifies?

Ted
Ted

Looks like you stumbled into Canada:

"it is a red coloured triangle centered on a white background with a red reflecting border; and may display an even number made of white reflecting material"

If you google it and look at the pictures, even for US day markers, it shows the marker you describe: https://www.google.com/search?q=Red+...HYDUCxEQsAQIKQ
check the third set of markers.
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Old 12-08-2016, 05:07 AM   #10
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Originally Posted by Capt.Bill11 View Post
It sound like it's just faded. I've seen them like that before.

Is this the channel you're talking about?
That looks like the right channel except the marks start much further out and go into the high teens before you get near land.

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Ted

Looks like you stumbled into Canada:

"it is a red coloured triangle centered on a white background with a red reflecting border; and may display an even number made of white reflecting material"

If you google it and look at the pictures, even for US day markers, it shows the marker you describe: https://www.google.com/search?q=Red+...HYDUCxEQsAQIKQ
check the third set of markers.
The mark has a red boarder, but no red triangle in the center, only the number.

Ted
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