 A fleet of smaller, "river-sized" (several thousand tonnes) ore-bulk-oil carriers have also been used for some decades on European Russia's waterways, primarily by Volgotanker.In addition to MV "Berge Istra" and MV "Berge Vanga",
one of the more famous OBOs was the Derbyshire MV "Derbyshire" of 180,000 deadweight tonnes, which in September 1980 became the largest British ship ever lost at sea.It sank in a Pacific typhoon while carrying a cargo of iron ore from Sept-Îles in Canada to Japan.