Nummer: 18425
| Area : | Western Area |
| Sea area : | North Sea |
| Date of attack : | 30.08.1944 |
| Nationality of U-boat : | German |
| U-boat : | KU Biber |
| Commander : | Bösch (Funkmaat) |
| Grid : | Seine Bay |
| presumed target type : | Fleet Minesweeper |
| presumed result : | sunk |
| Used weapon(s) : | Torpedo(es) |
| Name of target : | Minensucher |
| Actual result : | hit not ascertained |
| Footnote : | In the night of 29/30 August 14 midgets departed Fécamp for Seine Bay. Only 2 of them reached the operation area, and claimed successes. No affirmation from Allied sources. |
| updated on: | 07.05.2014 |
| Remark: | Biber-Erfolg |
| Changes: | Blocksdorf, Kleinkampfverbände (2003), S.79 |