Nummer: 01904
| Area : | Western Area |
| Sea area : | Gulf of Biscaya |
| Date of attack : | 09.06.1940 |
| Time of attack : | 13:05 |
| Nationality of U-boat : | German |
| U-boat : | U 46 |
| Commander : | Endraß |
| Grid : | BF 6885 |
| presumed target type : | Steam Freighter |
| presumed tonnage : | 3000 BRT |
| presumed result : | sunk |
| Number of torpedoes/mines : | 1 |
| Used weapon(s) : | Torpedo(es) |
| Date of observation : | 09.06.1940 |
| Nationality of target : | Finnish |
| Actual type of target : | Steam Freighter |
| Name of target : | Margareta |
| Year of launch : | 1902 |
| Actual tonnage : | 2155 BRT |
| Actual result : | sunk |
| Position of target : | 45n 14.30w |
| updated on: | 22.06.2002 |
| Remark: | BE6885 [?] |