Nummer: 00407
| Area : | Western Area |
| Sea area : | Norway West Coast |
| Date of attack : | 08.10.1939 |
| Time of attack : | 14:04 |
| Nationality of U-boat : | German |
| U-boat : | U 37 |
| Commander : | Hartmann |
| Grid : | AF 7974 |
| presumed target type : | Steam Freighter |
| presumed tonnage : | 1018 BRT |
| presumed result : | sunk |
| Used weapon(s) : | Gunfire |
| Date of observation : | 08.10.1939 |
| Nationality of target : | Swedish |
| Actual type of target : | Steam Freighter |
| Name of target : | Vistula |
| Year of launch : | 1919 |
| Actual tonnage : | 1018 BRT |
| Actual result : | sunk |
| Position of target : | 45sm N Muggle Flugga (She |
