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10-12-2024, 08:20
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#76
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Moderator

Join Date: Mar 2009
Location: Denmark (Winter), Cruising North Sea and Baltic (Summer)
Boat: Cutter-Rigged Moody 54
Posts: 35,303
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Re: MOB on ARC.
Quote:
Originally Posted by PippaB
The DSC functionality of the AISLink MOB is limited by regulations in each country. The list below indicates which functions you may expect.
AIS only: Canada, France, Denmark, Latvia
AIS + DSC Individual Distress Relay call plus group call sent after 30 minutes: USA
AIS + DSC Individual Distress Relay call only: Germany, Netherlands, United Kingdom
AIS + DSC Individual Distress Relay, All Ships Distress Alert (manual initiation): All other European countries
AIS + DSC Individual Distress Relay, All Ships Distress Alert, sent once on AISLink MOB activation and on manual initiation: Rest of the World.
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We need a hack to get our beacons programmed to send out the all ships DSC automatically.
I would argue that it's perfectly legal provided it's only used in a case of real distress, as all means of radio communication are legal in a real distress situation.
__________________
"You sea! I resign myself to you also . . . . I guess what you mean,
I behold from the beach your crooked inviting fingers,
I believe you refuse to go back without feeling of me;
We must have a turn together . . . . I undress . . . . hurry me out of sight of the land,
Cushion me soft . . . . rock me in billowy drowse,
Dash me with amorous wet . . . . I can repay you."
Walt Whitman
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10-12-2024, 08:28
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#77
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Registered User
Join Date: Oct 2021
Posts: 706
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Re: MOB on ARC.
Quote:
Originally Posted by Dockhead
We need a hack to get our beacons programmed to send out the all ships DSC automatically.
I would argue that it's perfectly legal provided it's only used in a case of real distress, as all means of radio communication are legal in a real distress situation.
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100% agreement. And curious how it is enforced/implemented. Is it based on where the equipment is sold? In which case the hack is to order from the appropriate country. Or is it geo-fenced in the unit based on the GPS position (which gets us back to time to fix, etc.)? In which case we need a real hack, or just don't sail in those countries
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10-12-2024, 10:18
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#78
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Registered User
Join Date: May 2014
Location: Houston, TX
Boat: Catana 471
Posts: 255
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Re: MOB on ARC.
Quote:
Originally Posted by Dockhead
We need a hack to get our beacons programmed to send out the all ships DSC automatically.
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When I programmed our MOB1’s in 2020, I used the web installer (not the downloadable app), and used a VPN on my laptop to connect through a server in Japan. The web installer recognized me as a user connecting from Tokyo, and allowed me to enable the all-ships DSC option. Easy. Shhh… don’t tell!
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10-12-2024, 12:40
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#79
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Writing Full-Time Since 2014
Join Date: Nov 2008
Location: Deale, MD
Boat: PDQ Altair, 32/34
Posts: 10,283
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Re: MOB on ARC.
Quote:
Originally Posted by Dockhead
You have any other superpowers?
Rock climbing and sailing, of course, go together like cookies and cream. Hugely complementary, synergistic skill sets.
I used to ski a lot and did some alpinism when I was a student in Germany a million years ago, but never anything really technical, so I am not nearly such good friends with hanging from ropes as you are. I get everything you are saying, but what you are talking about comes only after a lot of experience, and accumulation of a lot of knowledge.
My rigger in Sweden has encouraged me to start going up the mast alone and using descenders, and this type of ascender you work with your foot, and has given me a list of gear to buy, and maybe I will do it in the new year. Instead of being hauled up on a halyard. I don't really like working up the mast, especially when the work requires both hands.
On monos we can't rig jacklines like you are talking about so the risk of going over tethered is mitigable, but not eliminable.
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Agreed.
When you go up the mast, consider three things:
- Don't let yourself get too caught up in your knitting. The system must be simple enough that you can't do it wrong. Practice going up and down just a meter until you feel right about it. You can't climb safely if you are nervous. Nerves lead to mistakes. Take you time learning.
- When you get where you are going, secure yourself in place with a sling or rope around the top of the mast or whereever you are. It reduces swinging and improves leverage. Just as importantly, this extra anchor can calm the nerves while you work. I always carry a few spare carabiners and slings.
- If you are using a climbing harness you may want to add wider padding to the leg loops. It's not structural, just keep the blood flowing. This REALY helps if you are up for more than retrieving a halyard. It looks odd, with duct tape, but it works fine. (I don't pad for rock climbing, only masts, where I may be hanging out for a while.)
https://www.rei.com/c/slings
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10-12-2024, 13:09
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#80
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Registered User
Join Date: Aug 2013
Location: Back in the boat in Patagonia
Boat: Westerly Sealord
Posts: 8,427
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Re: MOB on ARC.
Quote:
Originally Posted by Dockhead
Not on all boats, and hardly ever on a larger one, especially one with a raised salon and so higher superstructure.
Remember also that if you are standing, your attachment point is around a meter above deck level. So you can't use a 1m tether -- you could only just stand over the jackline. A 2 meter tether would allow you to stand and be somewhere 1 meter (or whatever the geometry is) to either side of the jackline. At the bow, where the boat is narrow, no tether you could stand up with could guaranty that you can't go over.
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Your jacklines don't need to be at deck level, in fact if on - or near - the centre line it's better if they are not. They will be on top of the cabin/coachroof.
To see how the profs do it check out many pilot boats. The black thing is the track, you can see a pair of tethers aft stbd corner of the wheelhouse.
The pilot will normally get on or off the pilot ladder close to the bow, above the vertical fendering, while the P/B and the ship are doing about 8 knots in all weather. Seems to work.
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10-12-2024, 13:15
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#81
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Moderator

Join Date: May 2012
Location: At sea somewhere in the Caribbean
Boat: Jeanneau Sun Fast 40.3
Posts: 6,588
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Re: MOB on ARC.
Quote:
Originally Posted by thinwater
Agreed.
When you go up the mast, consider three things:
- Don't let yourself get too caught up in your knitting. The system must be simple enough that you can't do it wrong. Practice going up and down just a meter until you feel right about it. You can't climb safely if you are nervous. Nerves lead to mistakes. Take you time learning.
- When you get where you are going, secure yourself in place with a sling or rope around the top of the mast or whereever you are. It reduces swinging and improves leverage. Just as importantly, this extra anchor can calm the nerves while you work. I always carry a few spare carabiners and slings.
- If you are using a climbing harness you may want to add wider padding to the leg loops. It's not structural, just keep the blood flowing. This REALY helps if you are up for more than retrieving a halyard. It looks odd, with duct tape, but it works fine. (I don't pad for rock climbing, only masts, where I may be hanging out for a while.)
https://www.rei.com/c/slings

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So if you clip yourself in up there to reduce swinging and have say a heart attack how does someone get you back down?
__________________
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Our books have gotten 5 star reviews on Amazon. Several readers have written "I never thought I would go on a circumnavigation, but when I read these books, I was right there in the cockpit with Vinni and Carsten"
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10-12-2024, 14:46
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#82
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Moderator

Join Date: Mar 2009
Location: Denmark (Winter), Cruising North Sea and Baltic (Summer)
Boat: Cutter-Rigged Moody 54
Posts: 35,303
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Re: MOB on ARC.
Quote:
Originally Posted by Jetx
When I programmed our MOB1’s in 2020, I used the web installer (not the downloadable app), and used a VPN on my laptop to connect through a server in Japan. The web installer recognized me as a user connecting from Tokyo, and allowed me to enable the all-ships DSC option. Easy. Shhh… don’t tell!
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__________________
"You sea! I resign myself to you also . . . . I guess what you mean,
I behold from the beach your crooked inviting fingers,
I believe you refuse to go back without feeling of me;
We must have a turn together . . . . I undress . . . . hurry me out of sight of the land,
Cushion me soft . . . . rock me in billowy drowse,
Dash me with amorous wet . . . . I can repay you."
Walt Whitman
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10-12-2024, 17:33
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#83
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Registered User
Join Date: Sep 2014
Posts: 51
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Re: MOB on ARC.
I single-hand in mostly coastal/offshore California. In addition to a personal EPIRB, I have a floating/waterproof VHF radio attached to my Deckvest. Figure I can radio for help if I need to. Also, I have a serrated knife to cut away my tether if need to. Of course all that depends on if I am conscious and able to.
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11-12-2024, 02:06
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#84
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Registered User
Join Date: Sep 2011
Location: UK
Boat: Woods Flica catamaran
Posts: 530
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Re: MOB on ARC.
In the construction industry (UK) it's normal to use fall arrest self retracting lines.
Perhaps this would help stop the falling off the boat problem?
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11-12-2024, 03:08
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#85
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Registered User
Join Date: Jun 2018
Location: Melbourne, Australia
Posts: 531
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Re: MOB on ARC.
Quote:
Originally Posted by Sos
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They look potentially great, and some even have the right hooks. Are they heavy?
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11-12-2024, 04:49
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#86
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Senior Cruiser

Join Date: Mar 2003
Location: Thunder Bay, Ontario - 48-29N x 89-20W
Boat: (Cruiser Living On Dirt)
Posts: 51,843
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Re: MOB on ARC.
Quote:
Originally Posted by NevilleCat
They look potentially great, and some even have the right hooks. Are they heavy?
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The Miller TurboLite Personal Fall Limiter - 2m with Karabiners Code: FAB-1017900
weighs 0.86kg [ < 2 Lbs].
➥ https://www.safety-height.co.uk/webs...th-karabiners/
__________________
Gord May
"If you didn't have the time or money to do it right in the first place, when will you get the time/$ to fix it?"
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