Here’s some great advice from Skipper Tips about how to use AIS symbols on charts to help you cruise safely: Imagine cruising into a new channel, scanning the chart, and finding some buoys have a magenta circle around the buoy symbol. What does this mean, and how can you use these navigation markers to boost cruising safety? Most cruisers already know the value of the Automated Identification System, or AIS, and how it helps prevent collisions at sea. Some buoys and beacons are also equipped with AIS transmitters which give the position, description, and purpose of the aid. Three types…