Nummer: 11912
| Area : | Western Area |
| Sea area : | Carribean Sea |
| Date of attack : | 29.08.1942 |
| Time of attack : | 02:37 |
| Nationality of U-boat : | German |
| U-boat : | U 66 |
| Commander : | Markworth |
| Grid : | ED 3323 |
| presumed target type : | Steam Freighter id |
| presumed tonnage : | 5356 BRT |
| presumed result : | sunk |
| Used weapon(s) : | Torpedo(es) |
| Date of observation : | 29.08.1942 |
| Nationality of target : | American |
| Actual type of target : | Steam Freighter |
| Name of target : | Topa Topa |
| Year of launch : | 1920 |
| Actual tonnage : | 5356 BRT |
| Actual result : | sunk |
| Position of target : | 10.16n 51.30w |
