Nummer: 25909
| Area : | Indic Ocean |
| Date of attack : | 30.01.1942 |
| Time of attack : | 22:33 |
| Nationality of U-boat : | Japanese |
| U-boat : | I-164 |
| Commander : | Ogawa |
| Grid : | 13.20n 80.04e |
| presumed target type : | Tanker id |
| presumed tonnage : | 7000 BRT |
| presumed result : | sunk |
| Number of torpedoes/mines : | 3 |
| Used weapon(s) : | Torpedo(es) + Gunfire |
| Date of observation : | 30.01.1942 |
| Nationality of target : | Indic |
| Actual type of target : | Steam Freighter |
| Name of target : | Jalatarang |
| Year of launch : | 1921 |
| Actual tonnage : | 2498 BRT |
| Actual result : | sunk |
| Position of target : | 12.59n 81.00e |