Traffic Organisation Service (TOS)

A Traffic Organisational Service is defined as a service to provide safe and efficient movement of traffic and to identify and manage potentially dangerous traffic situations. The Traffic Organisation Service provides all the services of an Information Service (INS) but may also advise, instruct or exercise authority to direct movements. In such cases, the Traffic Organisational Service is likely to be provided by fully trained operators who will use the full set of message markers in their communication with vessels within the VTS area. Details about the type of service provided by a VTS can be found in the World VTS Guide.


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