MS Explorer
A mayday call was put out by the ship at 04:24 UTC, and rescue operations were quickly coordinated by the Prefectura Naval (Coast Guard Corps) of the Argentine Republic, and the Chilean Navy Center for Search and Rescue. Chile dispatched the icebreaker Almirante Viel, and nearby commercial ships including the MN Ushuaia, the National Geographic Endeavor, and the Norwegian Coastal Express ship MS Nordnorge which was operating as a passenger cruise ship at the time. By 07:30 UTC, all 91 passengers, 9 guides and 54 crew, from over 14 countries