RIS RELATED DEFINITIONS

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Navigational assistance service (VTS) means a service to assist on board navigational decision making and to monitor its effects.

(Source: IMO A. 857(20); IALA VTS Manual 2008; Inland VTS Guidelines CCNR version 1.0, 31/05/2006)

Previous definition(s)

Navigational Assistance Service means a service of a VTS to assist to the on board navigational decision making and to monitor the effects, especially during difficult circumstances, with messages updated in appropriate intervals. (Source: IALA VTS Manual 2000)