Nummer: 21615
| Area : | Baltic Sea |
| Sea area : | Gulf of Finland |
| Date of attack : | 26.08.1944 |
| Time of attack : | 08:44 |
| Nationality of U-boat : | German |
| U-boat : | U 745 |
| Commander : | Trotha |
| Grid : | AO 3373 |
| presumed target type : | Patrol Craft |
| presumed tonnage : | 300 ts |
| presumed result : | sunk |
| Used weapon(s) : | Torpedo(es) |
| Date of observation : | 26.08.1944 |
| Time of observation : | 09:43 |
| Nationality of target : | Soviet |
| Actual type of target : | M/S Trawler |
| Name of target : | T-45/No.48 Antikaynen |
| Year of launch : | 1939 |
| Actual tonnage : | 140 BRT |
| Actual result : | sunk |
| Position of target : | Narva Bay |