Nummer: 16701b
| Area : | Western Area |
| Sea area : | Central Atlantic |
| Date of attack : | 13.05.1943 |
| Time of attack : | früh |
| Nationality of U-boat : | German |
| U-boat : | U 176 |
| Commander : | Dierksen |
| Grid : | DM 69 |
| presumed target type : | Tanker id |
| presumed tonnage : | 1983 BRT |
| presumed result : | sunk |
| Used weapon(s) : | Torpedo(es) |
| Convoy : | NC.18 |
| Date of observation : | 13.05.1943 |
| Nationality of target : | Cubanian |
| Actual type of target : | Steam Tanker |
| Name of target : | Mambi |
| Year of launch : | 1883 |
| Actual tonnage : | 1983 BRT |
| Actual result : | sunk |
| Position of target : | 21.25n 76.40w |
| related attacks : | Angriff 1 |
| Convoy : | NC.18 |