Sea lines of communication and safety of navigation

LRIT is a requirement for the following on international voyages, all passenger ships, cargo ships over 300 tons, and mobile offshore drilling units. A ship is required to transmit its ship identity, location and date and time of its position, which is reported automatically to its flag administration at least four times a day or on demand. Data through the LRIT is available only to recipients who are entitled to receive such data. These include contracting governments so that they receive information about ships, which have indicated their intention to enter a port facility or a place under their jurisdiction and contracting governments to receive information about ships navigating with a distance of 1000 nautical miles from the coast, and also the SAR and persons