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    1/07/2026 2:29 pm  #1

    Nick
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    Registered: 9/16/2015
    Posts: 3,302

    Expedition 12.6

    This is a significant update.

    Expedition now supports the excellent C-Map Discover X and Reveal X charts

    https://www.c-map.com/all-charts/x-generation-of-charts

    X-Charts are the replacement for 4D and MAX charting.

    The C-Map X-Chart Manager app is used to purchase, download and update charts. See links on the Expedition web site and at

    https://www.c-map.com/update-my-chart

    The old 32 bit Expedition for MAX has finally been retired.

     

    1/07/2026 3:58 pm  #2

    NoRay
    Expert

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    Registered: 1/18/2019
    Posts: 46

    Re: Expedition 12.6

    Thank you. How about the non-X Discover and Reveal charts? Are these rebranded 4D charts, or also a new format? 

     

    1/07/2026 4:21 pm  #3

    Nick
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    Registered: 9/16/2015
    Posts: 3,302

    Re: Expedition 12.6

    They are all called Discover X or Reveal X. Reveal adds satellite, shaded relief etc layers.

    The ENC and bathymetry layers will be useful I think.

    Reveal and Discover are older, designed for older plotters.

    4D is also a legacy format.

       •Thread Starter
     

    1/08/2026 1:52 am  #4

    greg.brougham
    Expert

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    Registered: 5/23/2017
    Posts: 31

    Re: Expedition 12.6

    This is C-Map summary of their current charts offerings although it doesn't flag which third party ECDISs are supported

    https://www.c-map.com/all-charts/

     

    1/08/2026 10:48 am  #5

    Nick
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    Registered: 9/16/2015
    Posts: 3,302

    Re: Expedition 12.6

    No ECDIS involved.

    These are the ENCs, I think via IC-ENC.

       •Thread Starter
     

    1/08/2026 1:00 pm  #6

    Tigger_B
    Expert

    Online!

    Registered: 7/12/2022
    Posts: 63

    Re: Expedition 12.6

    Thanks Nick,

    I have a selection of 4D charts which I need to update at cost. Is this the time to move on to the new 'X' versions?

    I guess I would need to download the new Expedition X and C-Maps X charts manager and then purchase the charts I need.

    Will I need to remove Exp 4D or can this continue to live in parallel with the new Exp X?

     

    1/08/2026 1:12 pm  #7

    Nick
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    Registered: 9/16/2015
    Posts: 3,302

    Re: Expedition 12.6

    You don't need to migrate yet. The last 4D chart update is scheduled for March 2027. C-Map support is supposed to end a year later.

    You can have as many Expedition variants installed as you wish.

       •Thread Starter
     

    1/09/2026 10:41 am  #8

    TomH
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    From: London (and Chichester)
    Registered: 2/06/2016
    Posts: 79

    Re: Expedition 12.6

    This look very interesting. I’d avoided the switch to Navionics as I like using the raster layer in the 4D charts for pilotage, but the ENC view might be the long term answer there. Does this overcome the limitation on 4k displays, or has that gone anyway? 

     

    1/09/2026 12:26 pm  #9

    Nick
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    Registered: 9/16/2015
    Posts: 3,302

    Re: Expedition 12.6

    Yes, the maximum display size was only a 4D limitation.

       •Thread Starter
     

     

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