Nummer: 21523
| Area : | Baltic Sea |
| Sea area : | Gulf of Finland |
| Date of attack : | 15.07.1944 |
| Time of attack : | 00:12 |
| Nationality of U-boat : | German |
| U-boat : | U 679 |
| Commander : | Breckwoldt |
| Grid : | AO 3555 |
| presumed target type : | MTB |
| presumed result : | damaged |
| Used weapon(s) : | Gunfire |
| Nationality of target : | Soviet |
| Actual type of target : | Patrol Craft |
| Name of target : | MO-104 |
| Year of launch : | 1941 |
| Actual tonnage : | 56 ts |
| Actual result : | hit not ascertained |
| Footnote : | U-679 was attacked by three Soviet MTB between 00:12h und 00:22h. She answered with her gun, and TK-57 was subsequently hit. The other MTB may have been MO-104, which sent an emergency radio signal. On the same morning, the Soviet cablelayer "Killektor" was attacked and sunk. |
| updated on: | 25.08.1998 |
| Remark: | Anm. 15/0012 |
| Changes: | 1) Cloots, 09/1997: Angriff 15/0012 mit 2 Treffern statt 14/0016 2) Weis, 25.08.08: Setze MO-104 als zweites Ziel in die Tabelle. |