Chartplotter Displays | Skysat Marine

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Chartplotter displays: cartography at your fingertips

The chartplotter display is the nerve center of your navigation electronics. Choosing the right model, compatible with your sensors and clearly displaying essential information, is crucial for smooth and efficient navigation. At Skysat, drawing on our offshore racing experience, we guide you toward the ideal chartplotter, taking into account your specific needs and your boat’s constraints. Discover our rigorous selection and expert advice here for a successful system integration.

Choosing the size and resolution of your chartplotter display

Display size and resolution are key factors for reading comfort and the clarity of displayed information. A screen that is too small or has insufficient resolution can make reading charts and data difficult, especially in bright sunlight. The operating environment (sheltered or exposed cockpit, type of navigation) must also be considered.

7-inch displays: Suitable for small boats or as repeater screens.
9 to 12-inch displays: Ideal compromise for most sailboats and motorboats, offering a good balance between size and footprint.
16-inch and larger displays: Designed for large vessels and demanding navigators, with optimal readability and the ability to display multiple information sources simultaneously.
Resolution (pixels): Prioritize high resolution (e.g., 1280 x 800 pixels or higher) for a sharp, detailed image.

Connectivity and compatibility of chartplotter displays

A modern chartplotter display must be able to communicate with all onboard instruments via standardized protocols. Compatibility with different chart types and the ability to connect additional sensors (radar, depth sounder, AIS) are also important criteria.

NMEA 2000: Standard communication protocol for navigation instruments, ensuring interoperability between different brands.
SeaTalk NG: Raymarine’s proprietary protocol, based on NMEA 2000, offering simplified connectivity with the brand’s products.
Ethernet: Enables multiple displays to be networked, share data, and connect external modules (radar, depth sounder).
Chart compatibility: Verify compatibility with your chosen marine charts (Navionics, C-Map, etc.).

Key features of chartplotter displays

Beyond chart display, modern chartplotters offer a range of advanced features: route and waypoint management, AIS tracking, radar overlay, integration with autopilots, etc. Choosing a model with features suited to your navigation program is essential.

Radar overlay: Display radar targets directly on the chart for better situational awareness.
AIS (Automatic Identification System): Visualization of surrounding vessels equipped with an AIS transponder, including identification and navigation data.
Integrated depth sounder: Display of depths and seabed structure (if compatible with an appropriate transducer).
Alarms management: Configuration of anchor alarms, drift alarms, proximity to hazards, etc.

💡 Skysat tip

Before choosing your chartplotter display, map your connectivity and feature requirements. A diagram of your NMEA 2000 network architecture can help visualize compatibility and avoid surprises during installation.

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