5.23 Target Trails and Past Positions
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Statutory Documents - IMO Publications and Documents - Resolutions - Maritime Safety Committee - Resolution MSC.192(79) - Adoption of the Revised Performance Standards for Radar Equipment - (Adopted on 6 December 2004) - Annex - Revised Recommendation on Performance Standards for Radar Equipment - 5 Operational Requirements for the Radar System - 5.23 Target Trails and Past Positions

5.23 Target Trails and Past Positions

  5.23.1 Variable length (time) target trails should be provided, with an indication of trail time and mode. It should be possible to select true or relative trails from a reset condition for all true motion display modes.

  5.23.2 The trails should be distinguishable from targets.

  5.23.3 Either scaled trails or past positions or both, should be maintained and should be available for presentation within 2 scans or equivalent, following:

  • the reduction or increase of one range scale;
  • the offset and reset of the radar picture position; and
  • a change between true and relative trails.
Parent topic: 5 Operational Requirements for the Radar System
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