Nummer: 17511
| Area : | Western Area |
| Sea area : | Carribean Sea |
| Date of attack : | 16.12.1943 |
| Time of attack : | 10:21 |
| Nationality of U-boat : | German |
| U-boat : | U 516 |
| Commander : | Tillessen |
| Grid : | EC 9232 |
| presumed target type : | Tanker |
| presumed tonnage : | 10000 BRT |
| presumed result : | sunk |
| Used weapon(s) : | Acoustic homing torpedo (gnat) |
| Date of observation : | 16.12.1943 |
| Nationality of target : | American |
| Actual type of target : | |
| Name of target : | McDowell |
| Year of launch : | 1943 |
| Actual tonnage : | 10195 BRT |
| Actual result : | sunk |
| Position of target : | 13.08n 70.02w |