Monitoring AIS maritime traffic surveillance system
Automatic Identification Systems, the best tool for marine control and identification
AIS/ARPA targets for maritime traffic management
Automatic Identification System (AIS) is one of the most accurate technology for a high-level security and control. This automatic vessel tracking system is a method of collision avoidance for navigating ships, but it also helps managing maritime traffic in specific marine sites. AIS information is broadcasted thanks to transponders and available through AIS receivers. It provides unique identification, position, course and speed of the vessel. AIS supplements ARPA generated by marine radars to track vessel traffic and positions.
Tracking and monitoring live vessel traffic is critical for coastal areas that are facing increasing challenges.
Threats, counterfeiting, piracy or theft are persistent threats that need to be stemmed. Surveillance of protected areas is therefore more necessary than ever before. Vessels fitted with AIS transceivers can be tracked by AIS base stations located along coast lines. PC surveillance software is recommended to centralize and monitor sea traffic information collected from various station covering one marine site. This kind of installation allows acquiring and tracking up to 1000 AIS targets automatically.
Vessel traffic & positions
AIS integrates a standardized VHF transceiver with a positioning system such as a GPS receiver. Marine sites may be equipped with AIS receivers only, so that they can view the local traffic without the need to transmit their own location. The PC software is compatible with all AIS receivers/transponders on the market (NMEA0183 output required). It makes possible to display the data of each target overlaid on the marine chart, classify them and communicate live with the ships with just one interface.
AIS vessel management installations
All dedicated VHF AIS transceiver allows live vessel traffic to be viewed on a computer software monitor. Displaying this data in a surveillance system is very reliably but is limited to the VHF range, about 10–20 nautical miles. That’s why vessel management installations include several AIS stations in addition to the central unit gathering and displaying all AIS targets for the operators to reach supreme control over marine security surveillance.