RIS Definitions
How to find a definition on this website?
Last updated: 31.03.2021
Automatic Identification System (AIS) means an automatic communication and identification system intended to improve the safety of navigation by assisting in the efficient operation of Vessel Traffic Services (VTS), ship reporting, ship-to-ship and ship-to-shore operations.
(Source: IMO Performance Standards for AI; Commission Regulation (EU) No 415/2007 (Tracking and Tracing))
Previous definition(s)
Automatic Identification System (AIS) means a broadcast transponder system, operating in the VHF maritime mobile band. (Source: IALA VTS Manual 2008)