Nummer: 01413
| Area : | Western Area |
| Sea area : | North Atlantic |
| Date of attack : | 17.02.1940 |
| Time of attack : | 20:40 |
| Nationality of U-boat : | German |
| U-boat : | U 48 |
| Commander : | Schultze |
| Grid : | BF 1678 |
| presumed target type : | Steam Freighter |
| presumed tonnage : | 6000 BRT |
| presumed result : | sunk |
| Number of torpedoes/mines : | 2- |
| Used weapon(s) : | Torpedo(es) |
| Date of observation : | 17.02.1940 |
| Time of observation : | 20:40 |
| Nationality of target : | Finnish |
| Actual type of target : | Steam Freighter |
| Name of target : | Wilja |
| Year of launch : | 1914 |
| Actual tonnage : | 3396 BRT |
| Actual result : | sunk |
| Position of target : | 49.00n 06.33w |
Steam Freighter Wilja ex Finnish Gertrud (bis 1939)