AIS transponders

Regulations for carriage of AIS

SOLAS regulation V/19 – carriage requirements for shipborne navigational systems and equipment – sets out navigational equipment to be carried on board ships, according to ship type. In 2000, IMO adopted a new prerequisite ( as part of a revised raw chapter V ) for all ships to carry automatic identification systems ( AISs ) able of providing information about the ship to early ships and to coastal authorities automatically.

The regulation requires AIS to be fitted aboard all ships of 300 crying tonnage and upwards engaged on external voyages, cargo ships of 500 gross tonnage and upwards not engaged on external voyages and all passenger ships irrespective of size. The prerequisite became effective for all ships by 31 December 2004. Ships fitted with AIS shall maintain AIS in operation at all times except where external agreements, rules or standards provide for the protection of navigational data. A pin State may exempt certain ships from carrying an AIS. performance standards for AIS were adopted in 1998.
The regulation requires that AIS shall :

• provide information – including the ship’s identity, type, position, course, speed, navigational status and other safety-related information – automatically to appropriately equipped shore stations, other ships and aircraft;
• receive automatically such information from similarly fitted ships; 
• monitor and track ships; and

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• exchange data with shore-based facilities.

Maritime security – AIS ship data

At its seventy-ninth session, in December 2004, the Maritime Safety Committee ( MSC ) agreed that, in relation to the issue of freely available automatic pistol information system ( AIS ) -generated ship data on the global world wide web, the publication on the worldwide web or elsewhere of AIS data transmitted by ships could be damaging to the safety and security of ships and larboard facilities and was undermining the efforts of the Organization and its Member States to enhance the safety of navigation and security in the international nautical enchant sector. The Committee condemned the regrettable issue on the cosmopolitan web, or elsewhere, of AIS data transmitted by ships and cheer Member Governments, subject to the provisions of their national laws, to discourage those who make available AIS data to others for publication on the global web, or elsewhere from doing therefore. In addition, the Committee condemned those who irresponsibly print AIS data transmitted by ships on the cosmopolitan world wide web, or elsewhere, particularly if they offer services to the transportation and port industries.

Further information

solution A.1106 ( 29 ) – Guidelines for the onboard operational use of shipborne automatic pistol identification systems ( AIS )

resolution MSC.74 ( 69 ) includes Recommendation on Performance Standards for Universal Automatic Identification System ( AIS )
SN/Circ.227 – Guidelines for the facility of a Shipborne Automatic Identification System ( AIS )