Instituto Hidrográfico
The Hydrographic Institute (IH), an organ of the Portuguese Navy, was created by Decree-Law no. 43177, dated September 22, 1960. The IH operates in direct dependence on the Admiral's Chief of Staff, being the relative competence The definition of the strategic guidelines and the monitoring of its execution carried out by the Minister of National Defense in conjunction with the Minister of Education and Science and the Minister of Agriculture and the Sea. The IH is recognized as a State Laboratory, enjoying autonomy Administrative and financial.