By midday, ship-tracking websites are no longer receiving updates from her Automatic Identification System (AIS) transponder and this remains the case for about seven hours. Then updates start ...

VesselFinder Automatic Identification System (AIS) is a GPS tracking system that uses transponders to transmit a ship’s position data to other ships or receiver stations in an area. This is used ...

Marine Traffic map lets anyone trace a vessel that has a position ‘transponder’ similar to those used by aircraft Transponder broadcasts the ships’ position, name, course and speed allowing ...

The agency noted a discrepancy in the vessel's identification—while its automatic identification system (AIS) transponder registered it as Hongtai 58, the name on its hull read Hongtai 168.

Monrovia — The National Fisheries and Aquaculture Agency (NAFAA) and the World Bank have launched the installation of Automatic Identification System (AIS) transponders on fishermen's canoes ...