The automatic identification system is an automatic tracking system that uses transponders on ships and is used by vessel traffic services. Originally designed as a terrestrial communication system, s
A U.S. Coast Guard Operations Specialist using AIS and radar to manage vessel traffic.
An AIS-equipped system on board a ship presents the bearing and distance of nearby vessels in a radar-like display format.
A vessel's text-only AIS display, listing nearby vessels' range, bearings, and names
System overview from US Coast Guard
Vessel traffic service
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A vessel traffic service is a marine traffic monitoring system established by harbour or port authorities, similar to air traffic control for aircraft. The International Maritime Organization defines
Automatic identification system
…The automatic identification system (AIS) is an automatic tracking system that uses transponders on ships and is used by vessel traffic services (VTS). Originally designed as a terrestrial communication system (ship to ship; ship to shore), satellites are now also used to passively capture the…
VTS Nijmegen, monitoring the river Waal in the Netherlands
Sign telling mariners to contact the Port of London vessel traffic service as they enter the Thames Barrier control zone
Ise Bay Vessel Traffic Service Centre in Cape Irago, Tahara, Aichi prefecture, Japan.
Saint Helier Vessel Traffic Service situated at the pier heads of St Helier harbor, Jersey