AIS, or Automatic Identification System, is a tracking system used on ships and by vessel traffic services for identifying and locating vessels. It operates on Very High Frequency (VHF) and allows vessels to automatically broadcast information, such as a vessel’s identity, type, position, course, speed, navigational status, and other safety-related information. The AIS units installed on vessels emit a VHF signal with this data in regular intervals. These signals can be received by other nearby vessels, AIS base stations located along coastlines, and by satellite networks. Even though AIS was initially designed for collision avoidance, in the context of Vessel Monitoring Systems (VMS), AIS data can be integrated into the Fishing Monitoring Centre (FMC) software. This allows it to complement the satellite-based VMS data, providing additional insights for effective fisheries management.