Upon course completion, the mariner will achieve knowledge of basis theory and will be able to demonstrate proficiency in the following areas: 1. Basic principles of ECDIS data, sensors, presentation of Electronic Navigation Chart (ENC); Operation of ECDIS and associated functions for passage planning and monitoring, including display options, ENC identification, alarms, chart updating and other navigational functions; 2. Appreciation of the limitations of ECDIS and ENC data, and awareness of the legal aspects and responsibilities associated with the use of ECDIS as an aid to navigation.