Nummer: 21610
| Area : | Baltic Sea |
| Sea area : | Gulf of Finland |
| Date of attack : | 31.07.1944 |
| Time of attack : | 08:43 |
| Nationality of U-boat : | German |
| U-boat : | U 370 |
| Commander : | Nielsen |
| Grid : | AO 3391 |
| presumed target type : | Motor Mine Sweeper |
| presumed tonnage : | 80 ts |
| presumed result : | sunk |
| Used weapon(s) : | Torpedo(es) |
| Date of observation : | 31.07.1944 |
| Time of observation : | 09:45 |
| Nationality of target : | Soviet |
| Actual type of target : | Patrol Craft |
| Name of target : | MO-101 |
| Year of launch : | 1941 |
| Actual tonnage : | 56 ts |
| Actual result : | sunk |
| Position of target : | Björkö Sound |