Nummer: 03916a
| Area : | Western Area |
| Sea area : | West African Coast |
| Date of attack : | 19.12.1940 |
| Nationality of U-boat : | German |
| U-boat : | U 37 |
| Commander : | Clausen |
| Grid : | DH 96-- |
| presumed target type : | Submarine id |
| presumed tonnage : | 1379 ts |
| presumed result : | sunk |
| Used weapon(s) : | Torpedo(es) |
| Convoy : | unknown |
| Date of observation : | 19.12.1940 |
| Nationality of target : | French |
| Actual type of target : | Submarine |
| Name of target : | Sfax |
| Year of launch : | 1934 |
| Actual tonnage : | 1379 ts |
| Actual result : | sunk |
| Position of target : | Cape Juby |
| Footnote : | U-37 attacked the two Vichy-French ships by mistake. - There are neither torpedo reports nor statements in KTB U-37 about this incident. |
| related attacks : | Angriff 1 |
| Convoy : | unknown |