The Yelcho was built in 1906 by the Scottish firm Geo. Brown and Co. of Greenock, on the River Clyde for towage and cargo service of the Chilean Sociedad Ganadera e Industrial Yelcho y Palena, Puerto Montt. In 1908 she was sold to the Chilean Navy and ordered to Punta Arenas as a tug and for periodic maintenance and supply of the lighthouses in that region.

Elephant Island is an ice-covered, mountainous island off the coast of Antarctica in the outer reaches of the South Shetland Islands, in the Southern Ocean. The island is situated 245 kilometres north-northeast of the tip of the Antarctic Peninsula, 1,253 kilometres west-southwest of South Georgia, 935 kilometres south of the Falkland Islands, and 885 kilometres southeast of Cape Horn. It is within the Antarctic claims of Argentina, Chile and the United Kingdom.