Nummer: 05121
| Area : | Western Area |
| Sea area : | Central Atlantic |
| Date of attack : | 09.05.1941 |
| Time of attack : | 23:09 |
| Nationality of U-boat : | German |
| U-boat : | U 103 |
| Commander : | Schütze |
| Grid : | ES 1951 |
| presumed target type : | Steam Freighter id |
| presumed tonnage : | 7120 BRT |
| presumed result : | sunk |
| Number of torpedoes/mines : | 3- |
| Used weapon(s) : | Torpedo(es) |
| Date of observation : | 09.05.1941 |
| Nationality of target : | British |
| Actual type of target : | Steam Freighter |
| Name of target : | City of Winchester |
| Year of launch : | 1917 |
| Actual tonnage : | 7120 BRT |
| Actual result : | sunk |
| Position of target : | 08.20n 26.14w |
