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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).
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.
Over 100 million positions are reported every day from 40,000 unique vessels. In addition, tracking uses satellite AIS reports from ORBCOMM Inc. [6] Satellite AIS positions are recorded from 1Nm to more than 1,500Nm from shore, providing reporting where land-based AIS is reduced.
The Maritime Safety & Security Information System (MSSIS) is a freely-shared, unclassified, near real-time data collection and distribution network. Its member countries share data from Automatic Identification System (AIS) , coastal radar, and other maritime-related systems. [ 1 ]
An information service is a service to ensure that essential information becomes available in time for onboard navigational decision-making. The information service is provided by broadcasting information at fixed times and intervals or when deemed necessary by the vessel traffic service or at the request of a vessel, and may include for example reports on the position, identity and intentions ...
The long-range identification and tracking (LRIT) of ships was established as an international system on 19 May 2006 by the International Maritime Organization (IMO) as resolution MSC.202 (81). [1] This resolution amends Chapter V of the International Convention for the Safety of Life at Sea (SOLAS) , regulation 19-1 and binds all governments ...
With certain navigation programs, it is possible to display the current position directly on the chart via a connected GPS device, tracking a vessel's movement. An NMEA interface can run an autopilot and thus control the ship. Also, the display of AIS signals on the chart is possible.
Any vessel tracking system, including VMS, requires technology on the vessel, ashore, and communications between them. In addition, there may be additional communications from the Fisheries Management Center (FMC) of the vessel's country of registry, and regional or national FMCs of the waters in which the vessel is fishing.
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