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AIS Cable from mast to Control Panel

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Pride of Waterford View Drop Down
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    Posted: 08 January 2021 at 22:41
I am about to put a second VHF Aerial for the AIS on my 2008  370.

In the panel in the headlining just below the swan neck at the mast , where all the cable come in to the boat from the mast, there is a VHF cable marked AIS.

This goes off to the boat just like the main VHF cable. 
I cannot find where it comes out at the other end.

Does anyone have any ideas where I should look?

Thanks
Jon
Brod Port Lairge
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Captain Cook View Drop Down
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Post Options Post Options   Thanks (0) Thanks(0)   Quote Captain Cook Quote  Post ReplyReply Direct Link To This Post Posted: 08 January 2021 at 23:08
The 400s (and also the 370s) are equipped with cables to AIS, VHF, autopilot and so on from the Hanse yard. If the first owner choose the standard model with no extras, then the cables for those functions are taped together inside the black stocking which is inside the hull. Of course it would be nicer if Hanse just let the wires dangle openly for the owner to mount his own cheaper gadgets. But Hanse is no welfare office, so you have to cut open the stocking to find the cable. Normally the hidden cables can be found in the vicinity of the intended end point. The end point is written in this:
Also you will find the colour code for the cables, which make the search easier.
The VHF/AIS cable has no colour code, but a label.
A few cables may be missing, if the workers have used them elsewhere.
For Hanse it has been cheaper to buy 50 alike cable-sets, than 50 different ones.


Edited by Captain Cook - 08 January 2021 at 23:11
Freya Hanse400 #27 from 2006, 40HP Yanmar 3JH4E, Teak deck, 3-blade Flexofold, Aries LiftUp Windvane, Exturn 300, Jefa DD1,Simrad NX40,Icom M603(VHF)+M802(SSB)
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iemand View Drop Down
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Post Options Post Options   Thanks (0) Thanks(0)   Quote iemand Quote  Post ReplyReply Direct Link To This Post Posted: 09 January 2021 at 08:08
on my 370 there is one thick koax cable from the mast to the nav station. I doubt that they integrated an additional cable.

BR Thomas
Hanse 312 MJ 2004 - Hanse 370e MJ 2007
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Pride of Waterford View Drop Down
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Post Options Post Options   Thanks (0) Thanks(0)   Quote Pride of Waterford Quote  Post ReplyReply Direct Link To This Post Posted: 09 January 2021 at 09:15
At the mast I have the standard thick VHF cable and an identical one marked AIS. It is the end of this I am looking for. It is not at the back of the Nav station!
Thanks
Jon
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Martin&Rene View Drop Down
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Post Options Post Options   Thanks (0) Thanks(0)   Quote Martin&Rene Quote  Post ReplyReply Direct Link To This Post Posted: 10 January 2021 at 10:52
On a 341, the top inside panels of the saloon cupboards and the switch panel can easily removed, as they are only held in with a couple of screws.  From the inside of the switch panel you may then be able to look forward to see if the wires are stored there.  Looking aft from the switch panel, there seems to be a fibreglass ledge on which is mounted the negative bus bar, with all its blue wires; not the ideal place.  I can't remember the situation forward of the switch panel, but you should be able to follow the wires from your mast lights from the panel switches.  

On your yacht, it does look slightly different, so you may need to take out the actual switch panel, to see which direction the wires go   

As previous people had said, it was more logical for Hanse to just use one wiring loom, no matter what options had been specified, or not. 


Martin&Rene Hanse 341 Dipper Wheel steering, 3 cabin layout & shallow keel, normally based in Scotland
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Pride of Waterford View Drop Down
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Post Options Post Options   Thanks (0) Thanks(0)   Quote Pride of Waterford Quote  Post ReplyReply Direct Link To This Post Posted: 17 January 2021 at 17:31
An Update.

Have found the AIS cable.

It goes from the base of the mast and ends up at the back of the boat on the port side comes out of the conduits and was clipped to the side of the hull.

Brod Port Lairge
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Passatempo View Drop Down
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Post Options Post Options   Thanks (0) Thanks(0)   Quote Passatempo Quote  Post ReplyReply Direct Link To This Post Posted: 28 January 2021 at 11:25
If you use this cable also for the AIS it does not give you a good signal. I put a second antenna on the back of my boat. Good results.
Tom
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Post Options Post Options   Thanks (0) Thanks(0)   Quote H8jer Quote  Post ReplyReply Direct Link To This Post Posted: 29 January 2021 at 09:28
Instead of a second antenna - I use an AIS with built-in splitter.

Installed this in our 370:

Very easy. It has builtin antenna splitter. With a converter cable it fits in the simrad hub.
The plotter at the helm shows all ships via the simnetwork with no need for extra cables.
The ais is installed beneath the electic cabinet, and the gps is hidden behind the electic cabinet.
With mast head antenna I can see ships about 80sm away.

Made a post about AIS in really good weather:

/H8jer




Edited by H8jer - 29 January 2021 at 09:31
Hanse 370#487 30HP 3-cabin
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plattgatt View Drop Down
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Post Options Post Options   Thanks (0) Thanks(0)   Quote plattgatt Quote  Post ReplyReply Direct Link To This Post Posted: 31 January 2021 at 11:03
PERFEKT, danke
370#641 "aqua d`or"
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