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- Projekt ASS: U-Boot-Erfolge der Achsenmächte 1939-1945
- Übersicht > ID 3322
| Area : | Western Area |
| Sea area : | North Atlantic |
| Date of attack : | 23.04.1943 |
| Time of attack : | 15:10 |
| Nationality of U-boat : | German |
| U-boat : | U 306 |
| Commander : | Trotha |
| Grid : | AK 1532 |
| presumed target type : | Steam Freighter |
| presumed tonnage : | 7800 BRT |
| presumed result : | sunk |
| Used weapon(s) : | Torpedo(es) |
| Convoy : | HX.234 |
| Date of observation : | 23.04.1943 |
| Time of observation : | 13:54 |
| Nationality of target : | British |
| Actual type of target : | Motor Freighter |
| Name of target : | Silvermaple |
| Year of launch : | 1927 |
| Actual tonnage : | 5313 BRT |
| Actual result : | damaged |
| Position of target : | 59.05n 35.40w |
| Convoy : | HX.234 |
| Route of convoy : | (New York) - Halifax - United Kingdom |
| Remark to convoy : | Sep 1939 to Sep 1942 ab Halifax, then from New York (counter traffic = ON), vgl. HXF und SC. |