Nummer: 08204
| Area : | Western Area |
| Sea area : | US East Coast |
| Date of attack : | 26.02.1942 |
| Time of attack : | 19:13 |
| Nationality of U-boat : | German |
| U-boat : | U 504 |
| Commander : | Poske |
| Grid : | DC 7220 |
| presumed target type : | Tanker |
| presumed tonnage : | 7000 BRT |
| presumed result : | sunk |
| Used weapon(s) : | Torpedo(es) |
| Date of observation : | 26.02.1942 |
| Nationality of target : | Dutch |
| Actual type of target : | Motor Tanker |
| Name of target : | Mamura |
| Year of launch : | 1932 |
| Actual tonnage : | 8245 BRT |
| Actual result : | sunk |
| Position of target : | 29n 76w |
