Optional use of ECDIS
;
• Supplementary Hydrographic Office information from light list, etc.;
• Mariner's notes; additional local chart information; manufacturer's information;
• Chartwork such as planned route; electronic bearing lines and range rings etc.;
• Own ship's position and course/speed vector; ship's heading and rate of turn; past
track;
• Fix accuracy, or position check from secondary positioning system;
• Possibly, shiphandling options, based on ship's characteristics;
• Alphanumeric navigation information (ship's latitude, longitude, heading, course, etc.);
• Information from radar and other sensors,
• Information from AIS;
• Navigational indications and alarms generated by ECDIS;
• Possibly, telemetered information from shore authorities, (traffic, real-time tides etc.);
• Possibly, ice information;
• Reminders, (e.g