RIS Definitions
How to find a definition on this website?
Last updated: 31.03.2021
Tactical Traffic Information (TTI) is a navigational chart, and enhanced by external traffic information, such as the information provided by AIS. TTI may be provided on board of a vessel or on shore, e.g. in a VTS.
(Source: PIANC RIS Guidelines 2019)
Previous definition(s)
Tactical Traffic Information (TTI) means the information affecting immediate navigation decisions in the actual traffic situation and the close geographic surroundings. (Source: RIS-directive 2005/44/EC) Tactical Traffic Information (TTI) means the information affecting the skipper's or the VTS Operator's immediate decisions with respect to navigation in the actual traffic situation and the close geographic surroundings. A tactical traffic image contains position information and specific vessel information of all targets detected by a radar and presented on an electronic navigational chart and, if available, enhanced by external traffic information, such as the information delivered by an Inland AIS. TTI may be provided on board a vessel or on shore, e.g. in a VTS centre. (Sources: RIS-Guidelines 2007/414/EC; Standard Tracking and Tracing EU/415/2007)