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B&G Zeus Z12 Sailing Navigation System

  • B&G Zeus Z12 Sailing Navigation System
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Product Description

Integrated Navigation System

The B&G Zeus display comes with an integral chartplotter with ultra-fast redraw and pre-loaded regional charts. Its in-built multifunction capabilities additionally equip it to act as a hub for a wide range of B&G and Navico instruments; displaying data in combinations, layouts and formats selected by the user, and allowing the full control and input of data.

Key features:


The unique weather functionality of the B&G Zeus allows the user to forecast data overlaid on to the chart to gain a clear understanding of the conditions that they are likely to face. Data supplied includes:

  • Wind Speed and Direction
  • Barometric pressure with pressure centre indicators
  • Manual time step control – select any available forecast time
  • Animation option shows how weather systems are likely to develop and allows the sailor to take appropriate steps to prepare, or route around
  • Cursor Info feature allows quick assessment of the forecast at a particular location and time
  • GRIB weather files are easily uploaded via the USB port

Sail Navigation

Important sailing data is overlaid onto the Zeus chart, enabling an assessment of the most efficient route to be sailed rather than a simple straight-line "power boat" waypoint to waypoint route.

  • Water and Ground vectors show the effect of tide and leeway on your course
  • Mark and Boat Laylines are displayed. Easily assess whether the boat will be able to clear a headland or obstacle on its next tack. Laylines can be configured to display:
    • Manual (user) wind angle target
    • Actual True Wind Angle from instruments
    • Target True Wind Angle (H3000 instruments with Polar tables only)
    • Option to correct layline positions for measured tidal flow
  • Historic min/max layline positions allow the navigator to make a safe decision to tack for a headland or waypoint based on the recent range of True Wind Direction
  • Time and distance to layline information is provided for each tack, allowing preparation time for maneuvers

Integration with B&G H3000 instruments

Direct integration with B&G H3000 instruments via H-Link allows the B&G Zeus navigation software to assess the conditions using the most accurate data possible and enables the configuration of instrument functions. Features include:

  • TimePlot shows user selected data history over time, ideal for assessing barometric pressure, course or depth trends
  • WindPlot provides a True Wind Speed and True Wind Direction plot, allowing the sailor to make decisions on route choice, e.g. whether to tack or stand on in the next gust, for fast and safe passage-making
  • On-screen instrument panels display the user’s choice of navigation or instrument data in a selection of digital and analogue formats
  • Direct editing and backup of H3000 Polar tables enables the crew to sail to the boat’s optimum performance.

Zeus supports B&G H-Link, NMEA0183 or NMEA2000 compatible instruments.


Integral chartplotter with preloaded cartography (Nautic Insight™ for the USA and Navionics coastal packages for Europe and APAC). A slot for SD cards allows the use of optional cartography including Navionics Platinum+ with 3D Turboview. Additional features include;

  • Key sail navigation data overlaid onto premium embedded cartography
  • Instant chart zoom with Rotary controller
  • Easy navigation including goto cursor and goto waypoint along with straightforward route builder
  • AIS and MARPA target overlay
  • Radar overlay
  • Dedicated sail navigation overlay
  • Weather overlay
  • New B&G Zeus GPS antenna (ZG50)

Radar, Sounders and much more

B&G Zeus will control and display data from a wide range of additional navigation instruments including:

  • Broadband Radar
  • HD radar
  • AIS
  • DSC VHF radios
  • Pilots
  • Echo sounders and fish finders
  • SonicHub and other approved Ethernet, SimNet and NMEA2000 devices such as CZone Digital switching, StructureScan™, BSM-1 sounder and SIRIUS® satellite weather (US only).


Display Z12

  • Display Resolution 1024 x 768 (H x W)
  • Display Type 12.1 inch Color TFT LCD


  • Interfaces SimNet, Ethernet, B&G H-Link
  • NMEA 0183 Interface Input: GLL, GGA, RMC, RMB, GSA, GSV, APB, BWC, DBT, DPT, TW, VLW, VHW, HDG


  • Housing  Die-cast Aluminum Rear housing & Front panel. Plastic front bezel
    Waterproof Standard IPx7
  • Width  356 mm \ 14 in
  • Height  273 mm \ 10.7 in
  • Depth  122.7 mm \ 4.8 in


  • Power Supply 12.0 VDC-24.0 VDC (9.0 - 32.0 VDC Min-Max)
  • Power Consumption 21.6 W or 1.8A @ 12.0 VDC or 21.6 W or 0.9A @ 24 VDC
  • NMEA 2000® Load Equivalency Number 1 network load (50mA)


  • Languages English (UK), English (US), German, French, Spanish, Italian, English (UK), English (US), German, French, Spanish, Italian, Portuguese, Croatian, Finnish, Icelandic, Dutch, Norwegian, Polish, Swedish, Slovenian, Russian, Ukrainian, Bulgarian
  • Operating Temperature -15 0C to +55 0C (+5 0F to +131 0F)


  • Zeus Z12" unit
  • Power cable
  • Video / comms cable
  • Snap-on front bezel
  • Mounting gasket
  • Sun cover
  • Screen cleaning cloth
  • Yoke mount
  • Connector caps (set of seven)
  • Document wallet with manuals
  • Bracket mount knobs and washers, screws
  • Cut-out template



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