Nummer: 18323a
| Area : | Western Area |
| Sea area : | North Atlantic |
| Date of attack : | 02.08.1944 |
| Time of attack : | 15:33 |
| Nationality of U-boat : | German |
| U-boat : | U 804 |
| Commander : | Meyer |
| Grid : | BD 5513 |
| presumed target type : | Destroyer |
| presumed result : | damaged |
| Used weapon(s) : | Acoustic homing torpedo (gnat) |
| Convoy : | T.G.22.6 |
| Date of observation : | 02.08.1944 |
| Time of observation : | 12:35 |
| Nationality of target : | American |
| Actual type of target : | Destroyer Escort |
| Name of target : | Fiske (DE.143) |
| Year of launch : | 1943 |
| Actual tonnage : | 1300 ts |
| Actual result : | damaged |
| Position of target : | 47.11n 33.29w |
| Footnote : | U-804 fired three gnats. The first missed, the second hit "Fiske" after 3:00 min, the third hit "Fiske" after 4:30 min. |
| related attacks : | Angriff 1 |
| Convoy : | T.G.22.6 |
| Route of convoy : | |
| Remark to convoy : | US Task Group |