The JHS-183 AIS is a ship-borne system capable of regularly broadcasting own ship’s unique information and continually receiving and displaying information broadcast from other vessels. The AIS can “see around corners”, allowing avoidance of dangers before visual contact has been established. All ship’s information including static and voyage-related data such as the ship’s name and cargo, as well as its dynamic navigational information, i.e., position, course, and speed can be transmitted and rece