Storaa was a 1,980 GRT cargo ship which was built in 1918 by the Greenock & Grangemouth Dockyard Company as Wellpark for British owners. In 1927, she was sold to Belgium and was renamed Navex. A further sale in 1937 saw her renamed Prina. In 1938, she was sold to the Netherlands and was renamed Willy. In 1939, she was sold to Denmark and was renamed Storaa.