Nummer: 18003
| Area : | Western Area |
| Sea area : | South Atlantik |
| Date of attack : | 08.04.1944 |
| Nationality of U-boat : | German |
| U-boat : | U 843 |
| Commander : | Herwatz |
| Grid : | FL 9171 |
| presumed target type : | Steam Freighter id |
| presumed tonnage : | 7900 BRT |
| presumed result : | sunk |
| Used weapon(s) : | Torpedo(es) |
| Date of observation : | 08.04.1944 |
| Nationality of target : | British |
| Actual type of target : | Steam Freighter |
| Name of target : | Nebraska |
| Year of launch : | 1920 |
| Actual tonnage : | 8261 BRT |
| Actual result : | sunk |
| Position of target : | 11.55s 19.52w |