DESCRIZIONE
The invention relates to a method, attentiveness indicator device (20) and computer program product for providing an indication of a level of attentiveness required for a user on a vessel comprising a group of computers providing data of different types employed in the navigation of the vessel, the attentiveness indicator device (20) is configured to obtain various types of vessel handling data from the computers, weight vessel handling data in dependence of importance, combine the vessel handling data for obtaining an attentiveness value, compare the attentiveness value with at least one threshold, assign an attentiveness level to the attentiveness value based on the comparison, and present the attentiveness level (24) to the user in order to provide an indication of the attentiveness required.