Nummer: 26909
| Area : | Indic Ocean |
| Sea area : | Ostafrika Küste |
| Date of attack : | 04.07.1943 |
| Time of attack : | 14:10 |
| Nationality of U-boat : | German |
| U-boat : | U 178 |
| Commander : | Dommes |
| Grid : | KE 7471 |
| presumed target type : | Steam Freighter id |
| presumed tonnage : | 2669 BRT |
| presumed result : | sunk |
| Used weapon(s) : | Torpedo(es) |
| Convoy : | DN.50 s |
| Date of observation : | 04.07.1943 |
| Nationality of target : | Norwegian |
| Actual type of target : | Steam Freighter |
| Name of target : | Breiviken |
| Year of launch : | 1911 |
| Actual tonnage : | 2669 BRT |
| Actual result : | sunk |
| Position of target : | 21.50s 37.50e |
| Convoy : | DN.50 s |
| Route of convoy : | Durban northbound (br) |
| Remark to convoy : | Since Jan 1943 |