Nummer: 02511
| Area : | Western Area |
| Sea area : | North Atlantic |
| Date of attack : | 16.08.1940 |
| Time of attack : | 12:03 |
| Nationality of U-boat : | German |
| U-boat : | U 48 |
| Commander : | Rösing |
| Grid : | AL 3888 |
| presumed target type : | Steam Freighter |
| presumed tonnage : | 4800 BRT |
| presumed result : | sunk |
| Number of torpedoes/mines : | 2- |
| Used weapon(s) : | Torpedo(es) |
| Convoy : | OB.197 s |
| Date of observation : | 16.08.1940 |
| Time of observation : | 10:17 |
| Nationality of target : | Swedish |
| Actual type of target : | Steam Freighter |
| Name of target : | Hedrun |
| Year of launch : | 1920 |
| Actual tonnage : | 2325 BRT |
| Actual result : | sunk |
| Position of target : | 57.10n 16.37w |
| Convoy : | OB.197 s |
| 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. |