AIS. Automatic Identification System. Automatic Identification System (AIS) enables automatic identification of ships from other ships and from shore-based stations AIS uses a VHF transponder for transmission of identification and navigational information from ship-to-ship and ship-to-shore
Automatic Identification System
For the Officer of the Watch:
For Shore Stations / VTS Centres:
SOLAS V, Safety of Navigation, Regulation 19, Chapter 1.5
The Administrations may exempt ships wich will be taken permanently out of service within two years after the specified implementation date
-In the case of passenger ships irrespective of size and tankers of all sizes, not later than 1 July 2003;
-In the case of ships, other than passenger ships and tankers, of 50 000 gross tonnage and upwards, not later than 1 July 2004;
-In the case of ships, other than passenger ships and tankers, of 300 gross tonnage and upwards but less than 50 000 gross tonnage, not later than the first safety equipment survey after 1 July 2004 or by 31 December 2004, which ever occurs earlier
Ships not engaged on international voyages constructed before 1 July 2002, not later than 1 July 2008.
٭The administration can implement regulation, on national basis, in advance of deadline.
Frequencies to be used for the universal ship borne AIS been defined in ITU.R.M.1084-3:
In areas where the designed AIS channels are not available, the transponder must be able to be switched to alternative channels, by message received on DSC channel 70.
Categories of ships required to participate in the system: