Nummer: 27211
| Area : | Indic Ocean |
| Date of attack : | 31.12.1943 |
| Nationality of U-boat : | Japanese |
| U-boat : | I-26 |
| Commander : | Kusaka |
| presumed target type : | Tanker |
| presumed result : | sunk |
| Number of torpedoes/mines : | 5 |
| Used weapon(s) : | Torpedo(es) + Gunfire |
| Date of observation : | 31.12.1943 |
| Time of observation : | 17:22 |
| Nationality of target : | British |
| Actual type of target : | Motor Tanker |
| Name of target : | Tornus |
| Year of launch : | 1936 |
| Actual tonnage : | 8054 BRT |
| Actual result : | damaged |
| Position of target : | 19.45n 59.10e |