Nummer: 00303
| Area : | Western Area |
| Sea area : | Kattegat |
| Date of attack : | 23.09.1939 |
| Time of attack : | 11:20 |
| Nationality of U-boat : | German |
| U-boat : | U 4 |
| Commander : | Klot-Heydenfeldt |
| Grid : | AO 4186 |
| presumed target type : | Steam Freighter id |
| presumed tonnage : | 1300 BRT |
| presumed result : | sunk |
| Used weapon(s) : | Scuttling charge |
| Date of observation : | 23.09.1939 |
| Nationality of target : | Finnish |
| Actual type of target : | Steam Freighter |
| Name of target : | Walma |
| Year of launch : | 1908 |
| Actual tonnage : | 1361 BRT |
| Actual result : | sunk |
| Position of target : | 58.15n 11.00e |
