Nummer: 27704
| Area : | Indic Ocean |
| Sea area : | Indian Seaway |
| Date of attack : | 19.12.1944 |
| Nationality of U-boat : | Japanese |
| U-boat : | Ro-113 |
| Commander : | Harada |
| Grid : | Bengalen Gulf |
| presumed target type : | Steam Freighter |
| presumed result : | damaged |
| Used weapon(s) : | Torpedo(es) |
| Convoy : | unknown |
| Footnote : | Ro-113 reported one freighter damaged and listing after torpedo hit. |
| Convoy : | unknown |