Nummer: 16320
| Area : | Western Area |
| Sea area : | North Atlantic |
| Date of attack : | 25.04.1943 |
| Time of attack : | 14:20 |
| Nationality of U-boat : | German |
| U-boat : | U 413 |
| Commander : | Poel |
| Grid : | AL 1478 |
| presumed target type : | Steam Freighter |
| presumed tonnage : | big |
| presumed result : | hit not observed |
| Used weapon(s) : | Torpedo(es) |
| Convoy : | unknown |
| Actual tonnage : | ---- -- |
| Actual result : | hit not ascertained |
| Footnote : | U-413 heard two detonations, probably at the end of the run. |
| Convoy : | unknown |