Nummer: 24519c
| Area : | Mediterranean |
| Sea area : | Western Mediterranean |
| Date of attack : | 20.04.1943 |
| Time of attack : | 22:34 |
| Nationality of U-boat : | German |
| U-boat : | U 453 |
| Commander : | Schlippenbach |
| Grid : | CH 8288 |
| presumed target type : | Steam Freighter |
| presumed result : | damaged |
| Used weapon(s) : | Torpedo(es) |
| Convoy : | UGS.7 ? |
| Actual result : | hit not ascertained |
| Footnote : | U-453 reported a large freighter sunk and two ships torpedoed and damaged. |
| related attacks : | Angriff 1 Angriff 2 |
| Convoy : | UGS.7 ? |
| Route of convoy : | U.S.A. - Gibraltar (slow) |
| Remark to convoy : | Since Oct 1942, initially for Op. Torch, then to ports in Northwest-Africa |