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- Projekt ASS: U-Boot-Erfolge der Achsenmächte 1939-1945
- Übersicht > ID 507
| Area : | Western Area |
| Sea area : | North Atlantic |
| Date of attack : | 05.08.1940 |
| Time of attack : | 21:38 |
| Nationality of U-boat : | German |
| U-boat : | U 56 |
| Commander : | Harms |
| Grid : | AM 5349 |
| presumed target type : | Tanker |
| presumed tonnage : | 9000 BRT |
| presumed result : | target visibly missed |
| Number of torpedoes/mines : | 2- |
| Used weapon(s) : | Torpedo(es) |
| Convoy : | OB.193 |
| Date of observation : | 04.08.1940 |
| Time of observation : | 20:46 |
| Nationality of target : | British |
| Actual type of target : | Steam Freighter |
| Name of target : | Boma |
| Year of launch : | 1920 |
| Actual tonnage : | 5408 BRT |
| Actual result : | sunk |
| Position of target : | 55.44n 08.04w |
| Footnote : | U-56 attacked with a 2 torpedo spread, and observed one torpedo missing, and a end-of-run detonation after 7:25 min. |
| Convoy : | OB.193 |
| 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. |
