Q Does the Automatic Identification System (AIS) replace radar?
A With an AIS receiver, a triangle appears on your navigation screen that indicates the position of any vessel broadcasting an AIS signal. You can access the name of the vessel, its speed, heading and rate of turn, as well as its length overall, beam and draft.
If your boat is equipped with an AIS transceiver (which receives and sends AIS signals), the same type of information about your boat will be accessible to other AIS-equipped boats. However, AIS should not be considered a radar replacement, as many boats do not broadcast AIS signals, nor do many other obstructions, such as breakwaters. Radar, on the other hand, sees just about everything (except an AIS-equipped boat behind a point of land, ship…
