Nummer: 13717a
| Area : | Western Area |
| Sea area : | North Atlantic |
| Date of attack : | 18.11.1942 |
| Time of attack : | 06:03 |
| Nationality of U-boat : | German |
| U-boat : | U 624 |
| Commander : | Soden-Fraunhofen |
| Grid : | AK 4858 |
| presumed target type : | Tanker |
| presumed tonnage : | 6000 BRT |
| presumed result : | sunk |
| Used weapon(s) : | Torpedo(es) |
| Convoy : | ONS.144 |
| Date of observation : | 18.11.1942 |
| Time of observation : | 05:00 |
| Nationality of target : | British |
| Actual type of target : | Steam Tanker |
| Name of target : | President Sergent |
| Year of launch : | 1923 |
| Actual tonnage : | 5344 BRT |
| Actual result : | sunk |
| Position of target : | 54.07n 38.26 |
| Footnote : | U-624 observed the damaged tanker four hours after the hit to have a heavy list and observed its sinking after seven hours, probably sunk by a corvette. - "Montbretia" was missed (see FN.2820). - "Yaka" was damaged and few hours later sunk by U-522 (see FN.2819). - "Parismina" sank in 9 min. |
| related attacks : | Angriff 1 Angriff 2 Angriff 3 |
| Convoy : | ONS.144 |
| Route of convoy : | United Kingdom - North America |
| Remark to convoy : | 1st series: Jul 1941 to Mar 1943 ON and ONS combined, later ON mit continuing and ONS with new numbering (counter traffic HX and SC) |