Nummer: 00804
| Area : | Western Area |
| Sea area : | English Channel |
| Date of attack : | 07.12.1939 |
| Time of attack : | 05:24 |
| Nationality of U-boat : | German |
| U-boat : | U 47 |
| Commander : | Prien |
| Grid : | BF 2819 |
| presumed target type : | Tanker |
| presumed tonnage : | 12000 BRT |
| presumed result : | sunk |
| Number of torpedoes/mines : | 1 |
| Used weapon(s) : | Torpedo(es) |
| Date of observation : | 07.12.1939 |
| Time of observation : | 05:30 |
| Nationality of target : | Dutch |
| Actual type of target : | Motor Freighter |
| Name of target : | Tajandoen |
| Year of launch : | 1931 |
| Actual tonnage : | 8159 BRT |
| Actual result : | sunk |
| Position of target : | 49.09n 04.51w |
| updated on: | 31.08.2017 |
| Remark: | TYP1, TYP2 |