International Mobile Satellite Organization

IMSO is the intergovernmental organization charged with the mandate to oversee the performance of all components and the availability of the mobile satellite communications systems recognized by IMO for their use in the GMDSS. IMO has recognised Inmarsat and Iridium to provide satellite communication systems for use in the GMDSS. Since 2008, IMSO has been serving as the Co-ordinator for the Long Range Identification and Tracking of Ships (LRIT) system, appointed by IMO, with responsibilities to audit and review the performance of the international LRIT system. IMSO currently conducts annual audits and review of all elements of the LRIT system across 119 countries. IMSO works with commercial LRIT service providers such as Pole Star, CLS, Kemlinks and Sii Tech and national agencies responsible for the LRIT system. Ships worldwide of 300 gross tonnage and over and all passenger ships carrying more than twelve passengers when travelling on international voyages or in the open sea must...