Nummer: 10711
| Area : | Western Area |
| Sea area : | Gulf of Mexico |
| Date of attack : | 02.07.1942 |
| Time of attack : | 06:16 |
| Nationality of U-boat : | German |
| U-boat : | U 129 |
| Commander : | Witt |
| Grid : | DL 4146 |
| presumed target type : | Steam Freighter id |
| presumed tonnage : | 1841 BRT |
| presumed result : | sunk |
| Used weapon(s) : | Torpedo(es) + Gunfire |
| Date of observation : | 02.07.1942 |
| Nationality of target : | Norwegian |
| Actual type of target : | Motor Freighter |
| Name of target : | Gundersen |
| Year of launch : | 1927 |
| Actual tonnage : | 1841 BRT |
| Actual result : | sunk |
| Position of target : | 23.33n 92.35w |
| updated on: | 00.00.0000 |