Nummer: 03911
| Area : | Western Area |
| Sea area : | West African Coast |
| Date of attack : | 16.12.1940 |
| Time of attack : | 19:50 |
| Nationality of U-boat : | German |
| U-boat : | U 37 |
| Commander : | Clausen |
| Grid : | DH 9590 |
| presumed target type : | Steam Freighter |
| presumed tonnage : | 300 BRT |
| presumed result : | sunk |
| Used weapon(s) : | Gunfire |
| Date of observation : | 16.12.1940 |
| Nationality of target : | Spanish |
| Actual type of target : | Sailing Freight Vessel |
| Name of target : | San Carlos |
| Year of launch : | 1919 |
| Actual tonnage : | 223 BRT |
| Actual result : | sunk |
| Position of target : | Cape Juby |