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Old 17-08-2014, 22:50   #16
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Re: A Deaf Sailor Singlehanding A Circumnavigation

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If that were an option, I would've sought out a hearing person to crew with, and this question wouldn't have been posted.

Why is that not an option?
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Old 17-08-2014, 23:05   #17
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Re: A Deaf Sailor Singlehanding A Circumnavigation

jackdale,

Aside from the known legality issues, maybe you could tell these guys who need substitute eyes for when they're sleeping and a way to waken, where the most heavily ship laden areas are.

Sailorchic, I'm not agreeing that there is minimal ship danger, because for a singlehander, after being at sea for "x" days one has to arrive somewhere, and it is that about 50 n. mi. interface between the singlehander and the entry port that will contain the most traffic. One of our singlehanded friends used to heave to well offshore, for extra rest before starting the awakeness marathon of landfall. However, I do agree it is true that one may go for days without seeing any shipping, once clear of the most trafficked routes.

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Old 17-08-2014, 23:11   #18
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Re: A Deaf Sailor Singlehanding A Circumnavigation

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jackdale,

Aside from the known legality issues, maybe you could tell these guys who need substitute eyes for when they're sleeping and a way to waken, where the most heavily ship laden areas are.
AMVER density plots are pretty good for that

http://www.amver.com/images/density/2012August.png

I posted one for August 2012. The larger issue for me that time was sailing through the big eye tuna fishing fleet.

In about a week I headed from Tortola to Colon. I will probably use a 2 watch system with 2 people on watch at all times.
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Old 17-08-2014, 23:12   #19
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Re: A Deaf Sailor Singlehanding A Circumnavigation

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Originally Posted by Ann T. Cate View Post
jackdale,

Aside from the known legality issues, maybe you could tell these guys who need substitute eyes for when they're sleeping and a way to waken, where the most heavily ship laden areas are.

Sailorchic, I'm not agreeing that there is minimal ship danger, because for a singlehander, after being at sea for "x" days one has to arrive somewhere, and it is that about 50 n. mi. interface between the singlehander and the entry port that will contain the most traffic. One of our singlehanded friends used to heave to well offshore, for extra rest before starting the awakeness marathon of landfall. However, I do agree it is true that one may go for days without seeing any shipping, once clear of the most trafficked routes.

Ann

I do agree that the near land areas are where the single hander will need their wits about them to avoid playing bumper boats. No question there.
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Old 17-08-2014, 23:35   #20
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Re: A Deaf Sailor Singlehanding A Circumnavigation

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I'm thinking strobe lights and an alarm pitched to the range you hear best. I'm mostly deaf in one ear and 50% ish in the other ear.

Really a ship collision outside shipping lanes is a very low probability. It's just not a biggy as things go.

Probably goes with the territory for an engineer yes?


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Old 17-08-2014, 23:35   #21
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Re: A Deaf Sailor Singlehanding A Circumnavigation

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There are heavily trafficked routes, but no shipping lanes.



AMVER density plot plot for August 2012. I use this in a presentation on AMVER rescues.
A most impressive graphic. Each blue/cyan line represent 4 or fewer boats per month. It looks busy, but it really isn't. The yellow and red lines are the main shipping corridors. See the little yellow line along the west coast... There it is.

Looking at the current Marine AIS there is a steady stream of ships along a single course about 300 miles off baja, heading to or from the canal on the GC route..
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Old 17-08-2014, 23:38   #22
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Re: A Deaf Sailor Singlehanding A Circumnavigation

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Good stuff, thank you! Have you used any of the items on that website?





I do wake up when my Sonic Bomb super shaker alarm goes off. I should also add that when I am not in REM sleep, I do notice the dogs.
I was going to suggest heading to a truck stop and picking up some Screaming Meanies, the ones with the strobe light option on them and having them rewired to your alarms. Set at the loudest level of 120 db and the strobe firing at the same time you will have both a visual and audio signal from your alarms.
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Old 18-08-2014, 10:55   #23
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Re: A Deaf Sailor Singlehanding A Circumnavigation

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There is really no such thing as shipping lanes. Ocean going vessels take the shortest possible routes.
There certainly are traffic separation schemes and shipping lanes, which are established in congested areas. These typically don't extend far offshore but you can see from the AIS data that ships line up with them so they don't have to deviate their course when they get close. This link describes more and provides some history:

IMO | Ships' routeing

Once you get out of the nearshore fishing areas, all ships larger than about 65 feet are required to carry AIS. This is about the only way you know they're out there before you can see them. Even if you have a dedicated watch, you might not see them. I can't imagine crossing an ocean without an AIS system that both receives and transmits. You would have to figure out an alarm system that you will "hear."

I am gearing up to do a long offshore, single-hand race, but for the life of me, I can't understand how anyone would want to do a circumnavigation alone. It's much more fun (and safer) with crew
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Old 19-08-2014, 21:48   #24
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Re: A Deaf Sailor Singlehanding A Circumnavigation

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Tempest in a teapot... You hear many things. While impaired, I am not sure I would call you deaf. And even if you were I don't think it would limit you too much.

You have no issues becoming a sailor and other than being just as foolish as the other singlehanders () will have no problems...

For any alarms you "need" to hear you should be able to rig up some technology.
I'm sorry to say the US Government considers me to be deaf - I tried to join the Marines after high school and alas, my impairment is too great.

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Why is that not an option?
Mainly because I'm a bit of a loner. Also because of finances and my preference for a smaller boat.
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Old 24-08-2014, 10:41   #25
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Re: A Deaf Sailor Singlehanding A Circumnavigation

Another example of how soundly I sleep.

This earthquake M6.0 - 6km NW of American Canyon, California 2014-08-24 10:20:44 UTC

Didn't wake me up. Or at least, if it did wake me up, I don't remember
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Old 24-08-2014, 19:56   #26
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Re: A Deaf Sailor Singlehanding A Circumnavigation

I was on my boat and never felt a thing. Water has this wonderful dampening effect.
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