<page_title> Wolfgang Lüth </page_title> <section_title> Ships attacked </section_title> <table> <cell> 13 October 1940 <col_header> Date </col_header> </cell> <cell> U-138 <col_header> U-boat </col_header> </cell> <cell> Dagrun <col_header> Name of Ship </col_header> </cell> <cell> Norway <col_header> Nationality </col_header> </cell> <cell> 4,562 <col_header> Tonnage </col_header> </cell> <cell> Torpedo missed; detonating 30–50 metres to the side of the ship <col_header> Fate </col_header> </cell> <cell> 15 October 1940 <col_header> Date </col_header> </cell> <cell> U-138 <col_header> U-boat </col_header> </cell> <cell> Bonheur <col_header> Name of Ship </col_header> </cell> <cell> United Kingdom <col_header> Nationality </col_header> </cell> <cell> 5,327 <col_header> Tonnage </col_header> </cell> <cell> Sunk at 57°10′N 08°36′W / 57.167°N 8.600°W <col_header> Fate </col_header> </cell> <cell> 15 October 1940 <col_header> Date </col_header> </cell> <cell> U-138 <col_header> U-boat </col_header> </cell> <cell> British Glory <col_header> Name of Ship </col_header> </cell> <cell> United Kingdom <col_header> Nationality </col_header> </cell> <cell> 6,993 <col_header> Tonnage </col_header> </cell> <cell> Damaged at 57°10′N 08°36′W / 57.167°N 8.600°W <col_header> Fate </col_header> </cell> </table>
In October, U-138 fired a torpedo (but missed) the Norwegian ship SS Dagrun (4,562 GRT), sank the British ship SS Bonheur (5,327 GRT) and damaged the British ship British Glory (6,993 GRT).