The Argentine Hydrographic Service (Spanish: Servicio de Hidrografía Naval, abbreviated SHN) is the branch of the Ministry of Defense responsible for providing hydrographic services. Created on January 1, 1879, as Oficina Central de Hidrografía (English: Hydrographic Central Office) by decree 11.289 of President Nicolás Avellaneda. It became the current SHN on 1972 by National Law 19.922. Since 2007, it became part of the Ministry of Defense. The main mission of the SHN is to provide safe navigation on national waters. The service do so with the creation and maintenance of nautical charts, coastal marker buoys, and lighthouses. In concordance to the International Maritime Organization regulations, the SHN is also the global coordinator for the NAVAREA VI zone, which covers the South West Atlantic Ocean region being responsible for emitting alerts to ships at sea and coordinating search and rescue operations. More information...
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