Nummer: 18102b
| Area : | Western Area |
| Sea area : | North Atlantic |
| Date of attack : | 29.05.1944 |
| Nationality of U-boat : | German |
| U-boat : | U 549 |
| Commander : | Krankenhagen |
| Grid : | DH 41 |
| Used weapon(s) : | Acoustic homing torpedo (gnat) |
| Convoy : | T.G.21.11 |
| Date of observation : | 29.05.1944 |
| Time of observation : | 20:40 |
| Nationality of target : | American |
| Actual type of target : | Destroyer Escort |
| Name of target : | Barr (DE.576) |
| Year of launch : | 1943 |
| Actual tonnage : | 1400 ts |
| Actual result : | damaged |
| Position of target : | 31.14n 23.00w |
| Footnote : | U-549 hit an escort carrier with three T-3 torpedoes and then an escort destroyer with a gnat. "Eugene E. Elmore" evaded one gnat torpedo. |
| related attacks : | Angriff 1 |
| Convoy : | T.G.21.11 |
| Route of convoy : | |
| Remark to convoy : | US Task Group |