Nummer: 13811
| Area : | Western Area |
| Sea area : | Central Atlantic |
| Date of attack : | 18.11.1942 |
| Time of attack : | 20:30 |
| Nationality of U-boat : | German |
| U-boat : | U 67 |
| Commander : | Müller-Stöckheim |
| Grid : | EE 6721 |
| presumed target type : | Steam Freighter id |
| presumed tonnage : | 4697 BRT |
| presumed result : | sunk |
| Used weapon(s) : | Torpedo(es) |
| Date of observation : | 18.11.1942 |
| Time of observation : | 20:15 |
| Nationality of target : | Norwegian |
| Actual type of target : | Motor Freighter |
| Name of target : | Tortugas |
| Year of launch : | 1923 |
| Actual tonnage : | 4697 BRT |
| Actual result : | sunk |
| Position of target : | 13.24n 55.00w |
