Appendix 5 - Alarms and indicators
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Statutory Documents - IMO Publications and Documents - Resolutions - Assembly - IMO Resolution A.817(19) – Performance Standards for Electronic Chart Display and Information Systems (ECDIS) – (Adopted on 23 November 1995) - Annex - Performance Standards for Electronic Chart Display and Information Systems (ECDIS) - Appendix 5 - Alarms and indicators

Appendix 5 - Alarms and indicators

Section Requirements Information
10.3 Alarm or Indication Largest scale for alarm
10.4.6 Alarm Exceeding off-track limits
10.5.3 Alarm Crossing safety contour
10.5.4 Alarm or Indication Area with special conditions
10.5.5 Alarm Deviation from route
10.5.8 Alarm Approach to critical point
10.5.9 Alarm Different geodetic datum
13.2 Alarm or Indication Malfunction of ECDIS
5.1 Indication Information overscale
5.2 Indication Larger scale ENC available
6.2 Indication Different reference system
10.4.4 Indication Route planning across safety contour
10.4.5 Indication Route planning across specified area
10.5.7 Alarm Positioning system failure
13.1 Indication System test failure

 In this performance standard the definitions of indicators and alarms provided in the IMO publication Code on Alarms and Indicators (IMO-867E) apply.

Alarm: An alarm or alarm system which announces by audible means, or audible and visual means, a condition requiring attention.

Indicator: Visual indication giving information about the condition of a system or equipment.

Parent topic: Annex - Performance Standards for Electronic Chart Display and Information Systems (ECDIS)
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