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armandolio 08-04-2013 09:34 PM

Explain "Red Sector"
What is the meaning of the area marked as "Red Sector" on a chart. It is a cone starting at the location of a coastal light tower (in the case of South Florida, example, Fowey Rocks) and heading out from there.


davidpm 08-04-2013 09:39 PM

Re: Explain "Red Sector"
Sector lights shine a red light marking a danger area.

Do not sail in the area marked by the red sector.

Not familiar with that specific location.
If you post the lat and long we can look it up.

armandolio 08-04-2013 09:40 PM

Re: Explain "Red Sector"
Thanks Davidpm. I figured I better ask before I find out the hardway.

davidpm 08-04-2013 09:54 PM

Re: Explain "Red Sector"

Originally Posted by armandolio (Post 1068994)
Thanks Davidpm. I figured I better ask before I find out the hardway.

Your welcome.
I would recommend getting this publication:

U.S. Chart No. 1

You can pick it up or buy it at West Marine.

Explanation for all those funny marks on your chart.
Lots of skippers keep one on the boat and one home.

MobiusALilBitTwisted 08-04-2013 11:30 PM

Re: Explain "Red Sector"

Originally Posted by davidpm (Post 1069002)
Your welcome.
I would recommend getting this publication:

U.S. Chart No. 1


or just download it from your link, free

jackdale 08-04-2013 11:50 PM

Re: Explain "Red Sector"
Sector lights require special attention. For example, green does not mean "go". It means you are too far to starboard.

armandolio 08-05-2013 04:50 PM

Re: Explain "Red Sector"
What would be the implication of being too far to starboard in your example?

Separately, on my chart the area highlighted as Red Sector also has a Note warning vessels over 150 meters to the environmentally sensitive nature of the area. The area shows depths of 30'+. Could the Red Sector warning be related to the Note?

jackdale 08-05-2013 04:58 PM

Re: Explain "Red Sector"
Tbe red sector is also marking a hazard. With sector lights you wish to be in the white sector.

Sent from my SGH-I747M using Tapatalk 4

knuterikt 08-05-2013 05:51 PM

Re: Explain "Red Sector"
Maybe things are easier in the US, butr I'm so afraid of oversimplifying navigation, especially at night.
Have a look at this map.

I have put in the letters A and B to mark two different white sectors.

Note that when you are sailing
-towards the light in sector A you have red on starboard and green on port side.
-towards the light in sector B you have green on your starboard side and red on port side.

In general the white mark the primary go zones and both green and red mark bordering zones.

This does not imply the the red or green zones is in navigable but you must look at the map to determine when the colored zones are navigable. At night you should use other light sectors or lights to find out when you are in "free" water.

It would be highly irresponsible to sail in waters like this day and night without some basic navigation skills.

Ajax_MD 08-05-2013 05:54 PM

Re: Explain "Red Sector"
Wow, Knut. That looks like a challenging sailing environment.

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