AIS Aids to Navigation
An AIS aid to navigation (ATON) is any kind of navigational aid that is transmitted over the AIS radio. ATONs are displayed on the charts and have identifying information, such as position and type.
There are three main kinds of AIS ATONs. Real ATONs physically exist and send their identifying and location information from their actual location. Synthetic ATONs physically exist, and their identifying and location information is sent from another location. Virtual ATONs do not actually exist, and their identifying and location information is sent from another location.
You can view AIS ATONs on the chart when the chartplotter is connected to a compatible AIS radio. To show AIS ATONs, from a chart, select
. You can view more information about an ATON if you select the ATON on the chart.
Symbol |
Meaning |
---|---|
Real or synthetic ATON |
|
Real or synthetic ATON: Topmark North |
|
Real or synthetic ATON: Topmark South |
|
Real or synthetic ATON: Topmark East |
|
Real or synthetic ATON: Topmark West |
|
Real or synthetic ATON: Topmark Special |
|
Real or synthetic ATON: Topmark Safe |
|
Real or synthetic ATON: Topmark Danger |
|
Virtual ATON |
|
Virtual ATON: Topmark North |
|
Virtual ATON: Topmark South |
|
Virtual ATON: Topmark East |
|
Virtual ATON: Topmark West |
|
Virtual ATON: Topmark Special |
|
Virtual ATON: Topmark Safe |
|
Virtual ATON: Topmark Danger |