Nummer: 04303
| Area : | Western Area |
| Sea area : | North Atlantic |
| Date of attack : | 15.02.1941 |
| Time of attack : | 00:38 |
| Nationality of U-boat : | German |
| U-boat : | U 123 |
| Commander : | Moehle |
| Grid : | AL 4195 |
| presumed target type : | Steam Freighter |
| presumed tonnage : | 6500 BRT |
| presumed result : | sunk |
| Number of torpedoes/mines : | 1 |
| Used weapon(s) : | Torpedo(es) |
| Convoy : | OB.284 d |
| Date when ship was reported missed : | 13.02.1941 |
| Nationality of target : | British |
| Actual type of target : | Steam Freighter |
| Name of target : | Holystone |
| Year of launch : | 1927 |
| Actual tonnage : | 5462 BRT |
| Actual result : | sunk |
| Position of target : | 55n 25w |
| Footnote : | U-123 reported one hit and one explosion. - "Holystone" was not seen again after being dispersed from westbound convoy OB.284 at dusk on 13 February upon reaching 25°W. |
| Convoy : | OB.284 d |
| Route of convoy : | Liverpool - North America (out) |
| Remark to convoy : | Sep 1939 to Jul 1940 via South Ireland, Jul to Okt 1940 via North Cannel, then ON. |
| updated on: | 09.05.2015 |
| Remark: | SCHIFF, ANM |