Nummer: 03815
| Area : | Western Area |
| Sea area : | North Atlantic |
| Date of attack : | 05.12.1940 |
| Time of attack : | 03:39 |
| Nationality of U-boat : | Italian |
| U-boat : | ARGO |
| Commander : | Crepas |
| Grid : | 53.23n 17.17w |
| presumed target type : | Steam Freighter |
| presumed tonnage : | 12000 BRT |
| presumed result : | sunk |
| Number of torpedoes/mines : | 1 |
| Used weapon(s) : | Torpedo(es) |
| Convoy : | OB.252 s |
| Date of observation : | 05.12.1940 |
| Nationality of target : | British |
| Actual type of target : | Motor Freighter |
| Name of target : | Silverpine |
| Year of launch : | 1924 |
| Actual tonnage : | 5066 BRT |
| Actual result : | sunk |
| Position of target : | 54.14n 18.08w |
| Convoy : | OB.252 s |
| 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. |