The German icebreaker Hindenburg was built by Stettiner Oderwerke at Stettin-Grabow in 1915 for the Cooperative Merchants' Guild of Stettin (German: Koop. Kaufmannschaft Stettin). The ship was launched on15 December 1915 but not completed until 23 December. In February 1918, the Hindenburg was part of Transportflotte I of the Sonderverband Ostsee operating against the Åland Islands. There the Hindenburg struck a mine off Eckerö on 9 March 1918 and sunk at 60°11′N 19°25′E / 60.183°N 19.417°E. Three crew members died in the event.:The wreck was found 1995 at 50 meters by diveinstructor Richard Johansson from Maltaproffsen and his crew from Ålands Dykcenter and FF-Dyk.