 "UB-47"s tally of sunken ships for the month of October came to 24,776 gross register tons, which accounted for nearly 20% of the total sunk by all German U-boats in the Mediterranean.On patrol in the Aegean Sea on 27 December, Steinbauer came across the French pre-dreadnought battleship .Although it was screened by light cruisers and naval trawlers, Steinbauer was, nonetheless, able to sink the 11,100-ton displacement ship east of Cerigo.