Satellite Overlay
with SonarChart™ Shading
Satellite Overlay
with SonarChart™ Shading
A Combined Layer
Satellite Overlay, updated and optimized for the coming boating season, offers a top-down view of inland and coastal areas.
SonarChart Shading, created from the high-definition contour data within SonarChart, presents a detailed rendering of the seafloor and lake bottoms in varying shades of blue. Coverage areas are being released gradually, check current availability list.
Satellite Overlay
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SonarChart Shading
Enhanced Situational Awareness at a Glance
Satellite Overlay
Crisp satellite photography can be displayed on land only, land and shallow water or full overlay, visible on water at closer zoom levels.
SonarChart Shading
A detailed rendering of the seafloor and lake bottom delivers a unique perspective of underwater topography at a glance.
What You Can Do
Satellite Overlay
Adjust the transparency so that charts are fully or partially visible through the overlay. This is helpful in shallow waters or to spot marshes, shoals and sandbars.
Find hidden features such as backwater channels and feeder creeks that might hold fish.
SonarChart Shading
Clearly see channels, drop-offs and other structures over a wide area for a better understanding of the seafloor and lake bottom.
Search the map for visual cues to identify fish-holding structure on inland lakes and coastal fisheries.
Get Satellite Overlay and SonarChart Shading
Satellite Overlay and SonarChart Shading are included with Platinum cards and can be viewed with compatible models from many brands. Check compatibility.
Already own a Platinum card?
With an active subscription, the combined layer can be downloaded through the Chart Installer.
Satellite Overlay
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SonarChart Shading
SonarChart Shading Coverage
SonarChart Shading is now available for download on HotMaps Platinum and many Platinum+ charts in the for U.S., Canada and Europe. More Platinum+ charts for U.S., Europe, Canada, Central America and Australia are being released every week. SonarChart Shading is expected to be released for South America in Q3 2019. Availability for other regions is expected by Q4 2019.
The Navionics Subscription
A one-year subscription to daily updates and advanced features is included when you purchase any new product.
Check if your GPS plotter model is compatible with Navionics advanced features, and make sure it is running the latest software.
Expired Subscription?
After 1 year, you can renew your subscription at a discounted price. If you don’t, you can still use previously downloaded maps, but advanced features or download updates require an active subscription.
Discover Our Other Platinum Features
3D view
Customize your chart to highlight key features for a better awareness of your surroundings
