Nummer: 00920
| Area : | Western Area |
| Sea area : | North Sea |
| Date of attack : | 11.01.1940 |
| Time of attack : | 19:20 |
| Nationality of U-boat : | German |
| U-boat : | U 23 |
| Commander : | Kretschmer |
| Grid : | AN 4128 |
| presumed target type : | Steam Freighter |
| presumed tonnage : | 3000 BRT |
| presumed result : | sunk |
| Number of torpedoes/mines : | 3 |
| Used weapon(s) : | Torpedo(es) |
| Date of observation : | 11.01.1940 |
| Time of observation : | 18:30 |
| Nationality of target : | Norwegian |
| Actual type of target : | Steam Freighter |
| Name of target : | Fredville |
| Year of launch : | 1917 |
| Actual tonnage : | 1150 BRT |
| Actual result : | sunk |
| Position of target : | 58.25n 01.10w |
| Footnote : | Steamer and tanker in sight. After 2 missers U-23 made a successful attack on the steamer "Fredville". Thereafter U-23 shadowed the tanker to Inganessbay. |