Nummer: 01500
| Area : | Western Area |
| Sea area : | North Sea |
| Date of attack : | 19.02.1940 |
| Time of attack : | 04:05 |
| Nationality of U-boat : | German |
| U-boat : | U 23 |
| Commander : | Kretschmer |
| Grid : | AN 1634 |
| presumed target type : | Steam Freighter |
| presumed tonnage : | 5000 BRT |
| presumed result : | sunk |
| Number of torpedoes/mines : | 1 |
| Used weapon(s) : | Torpedo(es) |
| Date unsettled / assumed/ dead reckoned : | 14.02.1940 |
| Nationality of target : | British |
| Actual type of target : | Steam Freighter |
| Name of target : | Tiberton |
| Year of launch : | 1920 |
| Actual tonnage : | 5225 BRT |
| Actual result : | sunk |
| Position of target : | Narvik - Humber |
| updated on: | 00.00.0000 |