Lowest priority of an alert. Awareness of a condition which does not warrant an alarm or warning condition, but still requires attention out of the ordinary consideration of the situation or of given information.
Source: IMO resolution A.1021(26), Code on Alarms and Indicators, 2009, 18 January 2010, International Maritime Organization. Regulatory Guidance
Source: IMO Resolution MSC.302(87), Performance standards for bridge alert management, 17 May 2010, International Maritime Organization. Regulatory Guidance