Each specification defines a specific AIS product which has been carefully created to work in a precise way with all the other defined AIS devices, thus ensuring AIS system interoperability worldwide.

Search the MarineTraffic ships database of more than 550000 active and decommissioned vessels. Search for popular ships globally. Find locations of ports and ships using the near Real Time ships …

Position and timing information is normally derived from an integral or external global navigation satellite system (e.g. GPS) receiver, including a medium frequency differential GNSS receiver for precise …

Automatic Identification System (AIS) tracks vessel positions via VHF signals, enhancing maritime safety, collision avoidance, and navigation.

Jun 16, 2025 · But what exactly is AIS, and why is it critical to modern maritime safety? In this article, we’ll explain what AIS is, how it works, and why it’s used by vessels, coast guards, and marine …

AIS uses GPS, VHF radio and sophisticated digital processing to automatically communicate between vessels without any operator interaction. The system’s range is similar to that of your VHF radio, …

But what exactly is AIS, how does it work, and why is it so important? In this chapter, we will delve into the fundamentals of AIS, its components, and its essential role in maritime safety. AIS works by …

By hovering over an AIS icon, you can learn the ship name, course and speed, classification, call sign, registration number, MMSI, and other information.

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Dec 2, 2025 · Vessel traffic data, or Automatic Identification System (AIS) data, are collected by the U.S. Coast Guard through an onboard navigation safety device that transmits and monitors the location …