The International Maritime Satellite Organization has a major role in providing improved safety and distress communications for commercial shipping as it is designed to satisfy recommendations established by the International Maritime Organization (IMO). INMARSAT commenced operations on a global scale in 1982 and plays an important part in the GMDSS (Global Maritime Distress and Safety System) as well as with aeronautical interests such as the International Civil Aviation Organization (ICAO) and International Air Transport Association (IATA).This organization (INMARSAT) has its origins in the IMCO, now IMO, and its constituent members are drawn from all parts of the world. Argentina is a signatory member with a reported investment share of 0,29608% via the local Telephone Companies. Use of same is permitted in Argentine territorial waters, however whilst in harbor, its use is subject to reciprocal agreements and provided that there are no other public communications available.