Nummer: 21213
| Area : | Arctic Ocean |
| Date of attack : | 31.03.1945 |
| Time of attack : | 14:27 |
| Nationality of U-boat : | German |
| U-boat : | U 312 |
| Commander : | Gaza |
| Grid : | AC 8311 |
| presumed target type : | Armed Trawler |
| presumed result : | sunk |
| Used weapon(s) : | Torpedo(es) |
| Footnote : | U-312 reported a large armed trawler sunk. |