This is a list of active Spanish Navy ships, complete and correct as of December 2016. There are approximately 139 vessels in the Navy, including minor auxiliary vessels. A breakdown includes; one amphibious assault ship (also used as an aircraft carrier), two amphibious transport docks, 11 frigates, two submarines, six mine countermeasure vessels, 22 patrol vessels and a number of auxiliary ships. The total displacement of the Spanish Navy is approximately 225,000 tonnes.