Nummer: 00302
| Area : | Western Area |
| Sea area : | North Sea |
| Date of attack : | 22.09.1939 |
| Time of attack : | 23:00 |
| Nationality of U-boat : | German |
| U-boat : | U 4 |
| Commander : | Klot-Heydenfeldt |
| Grid : | AN 3393 |
| presumed target type : | Steam Freighter id |
| presumed tonnage : | 2200 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 : | Martti Ragnar |
| Year of launch : | 1903 |
| Actual tonnage : | 2262 BRT |
| Actual result : | sunk |
| Position of target : | 5sm S Arendal |
