7.1 CNIS Facility
Clasification Society 2024 - Version 9.40
Statutory Documents - IMO Publications and Documents - Resolutions - Maritime Safety Committee - Resolution MSC.85(70) - Mandatory Ship Reporting Systems - (adopted on 7 December 1998) - Annex 2 - Description of the Mandatory Ship-Reporting System for the Dover Strait/Pas-De-Calais - 7 Shore-based facilities to support operation of the system - 7.1 CNIS Facility

7.1 CNIS Facility

 The CNIS processing and display system receives inputs from the radar and VHF DF equipment, processes the information and presents it on any or all of six displays. Each display shows processed images (tracks) from any of the three radar inputs overlaid on a synthetic map of a selected area. New targets entering radar range are automatically tagged with a unique track number. The position, course and speed information of up to 300 tracks is automatically updated and recorded, for each of the three radars, throughout the vessel's passage through the CNIS area, giving the CNIS a 900 track capability.

 DOVER COASTGUARD maintain a continuous watch on traffic in the Dover Strait/Pas-de-Calais. Operators can add vessel information to the associated IPRS database (such as name and cargo) and can display that supporting information on a separate screen. CNIS is capable of providing an automatic alarm to identify any track which strays into an unauthorised area. VHF DF vectors appear when a VHF radio transmits on the frequency selected on the VHF DF equipment. Recording equipment automatically stores information from all tracks, which can either be replayed on the system or specific track movements can be plotted onto an AO size sheet of paper. CNIS operators have access to Clasifications Register and Hazardous Cargo data on a separate computer.

Parent topic: 7 Shore-based facilities to support operation of the system
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