<page_title> German submarine U-47 (1938) </page_title> <section_title> Summary of raiding history </section_title> <table> <cell> Rio Claro <col_header> Ship </col_header> </cell> <cell> United Kingdom <col_header> Nationality </col_header> </cell> <cell> 4,086 <col_header> Tonnage </col_header> </cell> </table>
The German submarine U-47 encountered a British freighter of 4,086-ton SS Rio Carlo.