Radar should provide a solution to problems of collision avoidance and promote navigational safety by detecting and displaying the position of other vessels, surface objects and obstacles, aids to navigation and shoreline.
To achieve these objectives, the radar must provide:
- display of radar video signals;
- an indication of the location and movement of elements tracked targets;
- an indication of its origin vessel, obtained by means of positioning and support given to the coordinate system, and the consistent common reference point of his ship;
- display information about the objectives derived from the AIS equipment.
It is recommended to also include the ability to display data electronic navigational chart to monitor the location of their vessel.
In ships of 300 gross tonnage or more, as well as on all passenger ships in addition to the radar required when navigating on inland waterways, additional radar should be provided.