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- Projekt ASS: U-Boot-Erfolge der Achsenmächte 1939-1945
- Übersicht > ID 641
| Area : | Western Area |
| Sea area : | North Atlantic |
| Date of attack : | 27.09.1940 |
| Time of attack : | 11:13 |
| Nationality of U-boat : | German |
| U-boat : | U 31 |
| Commander : | Prellberg |
| Grid : | AL 6261 |
| presumed target type : | Steam Freighter id |
| presumed tonnage : | 4319 BRT |
| presumed result : | sunk |
| Number of torpedoes/mines : | 2 |
| Used weapon(s) : | Torpedo(es) |
| Convoy : | OB.218 d |
| Date of observation : | 27.09.1940 |
| Nationality of target : | Norwegian |
| Actual type of target : | Motor Freighter |
| Name of target : | Vestvard |
| Year of launch : | 1925 |
| Actual tonnage : | 4319 BRT |
| Actual result : | sunk |
| Position of target : | 300sm W Ireland |
| Convoy : | OB.218 d |
| Route of convoy : | Liverpool - North America (out) |
| Remark to convoy : | Sep 1939 to Jul 1940 via South Ireland, Jul to Okt 1940 via North Cannel, then ON. |
