Nummer: 23010
| Area : | Mediterranean |
| Sea area : | North African Seaway |
| Date of attack : | 21.02.1942 |
| Time of attack : | 20:43 |
| Nationality of U-boat : | German |
| U-boat : | U 559 |
| Commander : | Heidtmann |
| Grid : | CO 9124 |
| presumed target type : | Steam Freighter |
| presumed tonnage : | 4000 BRT |
| presumed result : | sunk |
| Used weapon(s) : | Torpedo(es) |
| Convoy : | unknown |
| Footnote : | U-559 observed two hits by coups de grâce on a damaged steamer with two funnels. The ship then listed 45°. |
| Convoy : | unknown |