Nummer: 20617
| Area : | Arctic Ocean |
| Date of attack : | 10.04.1944 |
| Time of attack : | 05:35 |
| Nationality of U-boat : | German |
| U-boat : | U 361 |
| Commander : | Seidel |
| Grid : | AB 6661 |
| presumed target type : | Destroyer |
| presumed result : | damaged ? |
| Number of torpedoes/mines : | 1 |
| Used weapon(s) : | Acoustic homing torpedo (gnat) |
| Convoy : | RA.58 |
| Footnote : | U-361 heard a gnat detonation after 2:15 min. |
| Convoy : | RA.58 |
| Route of convoy : | Kola Fjord - Iceland - Loch Ewe |
| Remark to convoy : | Since Dec 1942, former QP (counter traffic = JW) |