Nummer: 18115a
| Area : | Western Area |
| Sea area : | West African Coast |
| Date of attack : | 14.06.1944 |
| Time of attack : | 01:36 |
| Nationality of U-boat : | German |
| U-boat : | U 547 |
| Commander : | Niemeyer |
| Grid : | EU 4989 |
| presumed target type : | Armed Trawler |
| presumed tonnage : | 4000 BRT |
| presumed result : | sunk |
| Used weapon(s) : | Acoustic homing torpedo (gnat) |
| Convoy : | unknown |
| Date of observation : | 14.06.1944 |
| Nationality of target : | British |
| Actual type of target : | Armed Trawler |
| Name of target : | Birdlip (T.218) |
| Year of launch : | 1941 |
| Actual tonnage : | 750 BRT |
| Actual result : | sunk |
| Position of target : | 05n 09w |
| related attacks : | Angriff 1 |
| Convoy : | unknown |