<page_title> German submarine U-81 (1941) </page_title> <section_title> Raiding history </section_title> <table> <cell> 6,671 <col_header> Tonnage </col_header> </cell> <cell> Damaged <col_header> Fate </col_header> </cell> </table>
The German submarine U-81 damaged 6,671 tons.