Legend

The presentations of the layers are collected in a legend that opens from the the arrow in the upper left corner of the map:

• Survy areas can be presented
  by category in accordance with IHO S-44 standard
  
  or by survey time -
  
  
• Navigatsion marks
  
• Wrecks
  
• Maritime museum wrecks
  
• Rocks and obstractions
  
• Harbours
  
• Spot soundings and depth contours
  
• Sample points