Nummer: 01620
| Area : | Western Area |
| Sea area : | North Sea |
| Date of attack : | 25.03.1940 |
| Time of attack : | 05:40 |
| Nationality of U-boat : | German |
| U-boat : | U 47 |
| Commander : | Prien |
| Grid : | AN 1194 |
| presumed target type : | Steam Freighter |
| presumed tonnage : | 5000 BRT |
| presumed result : | sunk |
| Number of torpedoes/mines : | 1 |
| Used weapon(s) : | Torpedo(es) |
| Date of observation : | 25.03.1940 |
| Nationality of target : | Danish |
| Actual type of target : | Steam Freighter |
| Name of target : | Britta |
| Year of launch : | 1921 |
| Actual tonnage : | 1146 BRT |
| Actual result : | sunk |
| Position of target : | 60.00n 04.19w |