Nummer: 07307
| Area : | Western Area |
| Sea area : | North Atlantic |
| Date of attack : | 21.12.1941 |
| Time of attack : | 21:37 |
| Nationality of U-boat : | German |
| U-boat : | U 751 |
| Commander : | Bigalk |
| Grid : | BE 8719 |
| presumed target type : | Fleet Carrier |
| presumed tonnage : | 23000 ts |
| presumed result : | sunk |
| Number of torpedoes/mines : | 7 |
| Used weapon(s) : | Torpedo(es) |
| Convoy : | HG.76 |
| Date of observation : | 21.12.1941 |
| Time of observation : | 20:35 |
| Nationality of target : | British |
| Actual type of target : | Escort Carrier |
| Name of target : | Audacity ex Empire Audacity |
| Year of launch : | 1939 |
| Actual tonnage : | 11000 ts |
| Actual result : | sunk |
| Position of target : | 44.00n 20.00w |
Escort Carrier Audacity ex Empire Audacity ex German Hannover (bis 1940)
| Convoy : | HG.76 |
| Route of convoy : | Gibraltar - United Kingdom (home) |
| Remark to convoy : | Sep 1939 to Sep 1942, then MKF und MKS |