This API allows AISHub members to access the webservice and retrieve AISHub data in XML or JSON format. Some data forms that it returns are all AISHub data as XML ZIP file, all vessels in an area with boundaries as JSON file and all data for vessel with MMSI and includes; MMSI, Time, Longitude latitude and more. AIS vessel tracking develops navigation safety the. AIS tracking system was originally developed as a collision avoidance tool which enables commercial vessels to 'see' each other more clearly in any conditions and to improve the helmsman's information about the surrounding environment. AIS continuously transmits vessels' position, identity, speed and course, along with other relevant information, to all other AIS equipped vessels within range.