Nummer: 06817
| Area : | Western Area |
| Sea area : | West African Coast |
| Date of attack : | 14.10.1941 |
| Time of attack : | 00:45 |
| Nationality of U-boat : | German |
| U-boat : | U 204 |
| Commander : | Kell |
| Grid : | Cape Roche |
| presumed target type : | Patrol Craft |
| presumed result : | sunk |
| Used weapon(s) : | Torpedo(es) |
| Date unsettled / assumed/ dead reckoned : | 14.10.1941 |
| Nationality of target : | Spanish |
| Actual type of target : | Sailing Freight Vessel |
| Name of target : | Aingeru Guardakoa |
| Year of launch : | .. |
| Actual tonnage : | ... BRT |
| Actual result : | sunk |
| Position of target : | Lisboa - Tanger |
| Footnote : | According to the report of an crew member U-204 sank the Spanish motor-sailing vessel "Aingeru Guardakoa" in the Bay of Cadiz with one torpedo, assuming it were a submarine chaser. |
| updated on: | 00.00.0000 |
| Remark: | + 19.10.41 |