Nummer: 26001
| Area : | Indic Ocean |
| Sea area : | Southeast Asia |
| Date of attack : | 13.02.1942 |
| Time of attack : | 22:25 |
| Nationality of U-boat : | Japanese |
| U-boat : | I-155 |
| Commander : | Nakajima |
| Grid : | N Sunda Str. |
| presumed target type : | Steam Freighter |
| presumed result : | sunk |
| Used weapon(s) : | Torpedo(es) |
| Date of observation : | 13.02.1942 |
| Nationality of target : | British |
| Actual type of target : | Motor Freighter |
| Name of target : | Derrymore |
| Year of launch : | 1938 |
| Actual tonnage : | 4799 BRT |
| Actual result : | sunk |
| Position of target : | 05.18s 106.20e |
| updated on: | 00.00.0000 |
| Remark: | -M |
| Changes: | 1) Boyd,24.11.95: ID 27901 getauscht 2) Kolbicz (L2) 02.2004: -M 3) Kolbicz 15.5.02: ID 27901 löschen ! |