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An AIS-equipped system on board a ship presents the bearing and distance of nearby vessels in a radar-like display format. A graphical display of AIS data on board a ship. The automatic identification system (AIS) is an automatic tracking system that uses transceivers on ships and is used by vessel traffic services (VTS).
Ship registration is the process by which a ship is documented and given the nationality of the country to which the ship has been documented. The nationality allows a ship to travel internationally as it is proof of ownership of the vessel. [1] International law requires that every ship be registered in a country, called its flag state. [2]
This contrasts to the Automatic identification system (AIS) used globally on ships that transmit continuously. A short post-transmission message is sent by the radio with the vessel identity and is in the form of an encoded call sign or Maritime Mobile Service Identity , starting with number "9" and the three country-specific maritime ...
Information provided by AIS equipment, such as unique identification, position, course, and speed, is then transferred to the main Marine Traffic servers for display via the website in real time. The site uses data from OpenStreetMap on its base map, and the paid version lets users display ship locations on Nautical Charts.
Maritime identification digits are used by radio communication facilities to identify their home country or base area in digital selective calling (DSC), Automatic Transmitter Identification System (ATIS), and Automatic identification system (AIS) messages as part of their Maritime Mobile Service Identities.
Official numbers are ship identifier numbers assigned to merchant ships by their country of registration.Each country developed its own official numbering system, some on a national and some on a port-by-port basis, and the formats have sometimes changed over time.
The Naval Vessel Register (NVR) is the official inventory of ships and service craft in custody of or titled by the United States Navy.It contains information on ships and service craft that make up the official inventory of the Navy from the time a vessel is authorized through its life cycle and disposal.
Lloyd's List Intelligence (formerly Lloyd's MIU LLC) is an information service dedicated to the global maritime community. It is a sister company of Lloyd's List. [1]Lloyd's List Intelligence is an interactive online service offering detailed vessel movements, real-time AIS positioning, information on ships, companies, ports and casualties as well as credit reports, industry data and analysis ...