Nummer: 13802a
| Area : | Western Area |
| Sea area : | North Atlantic |
| Date of attack : | 18.11.1942 |
| Time of attack : | 08:05 |
| Nationality of U-boat : | German |
| U-boat : | U 522 |
| Commander : | Schneider |
| Grid : | AK 4874 |
| presumed target type : | Steam Freighter |
| presumed tonnage : | 4500 BRT |
| presumed result : | sunk |
| Used weapon(s) : | Torpedo(es) |
| Convoy : | ONS.144 |
| Date of observation : | 18.11.1942 |
| Time of observation : | 07:14 |
| Nationality of target : | American |
| Actual type of target : | Steam Freighter |
| Name of target : | Yaka |
| Year of launch : | 1920 |
| Actual tonnage : | 5432 BRT |
| Actual result : | sunk |
| Position of target : | 54.07n 38.26w |
| Footnote : | U-522 observed one hit between bridge and funnel after 2:47 min, and observed the ship burning heavily. - "Yaka" had already been damaged by U-624 two hours before. |
| related attacks : | Angriff 1 |
| 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) |