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Transport, travel and motoring

Buoys, beacons and marks

   
 
Information about lateral marks and their positioning.
 
     
   
 
A cardinal mark indicates where the safest water may be found and is best used together with a compass.
 
     
   
 
In South Australian waters special marks are commonly used to indicate no boating zones or speed restricted areas.
 
     
   
 
Information about channel markers and the types found in South Australian waters.
 
     
   
 
Information about isolated danger marks.
 
     
   
 
Safe water marks show that there is navigable water all around the mark and can be used as a centre line, mid-channel or landfall buoy.
 
     
   
 
Information about the signals used to indicate when a port is closed or channel blocked.
 
     
   
 
Information about the different types of day marks a vessel may encounter.
 
     
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