Nummer: 12907a
| Area : | Western Area |
| Sea area : | North Atlantic |
| Date of attack : | 22.10.1942 |
| Time of attack : | 21:45 |
| Nationality of U-boat : | German |
| U-boat : | U 443 |
| Commander : | Puttkamer |
| Grid : | BD 3544 |
| presumed target type : | Steam Freighter |
| presumed tonnage : | 5000 BRT |
| presumed result : | damaged ? |
| Used weapon(s) : | Torpedo(es) |
| Convoy : | ON.139 |
| Footnote : | U-443 heard two hits without detonations after 1:14 min, when she had fired the first 2-torpedo spread. They were probably duds. |
| related attacks : | Angriff 1 Angriff 2 |
| Convoy : | ON.139 |
| 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) |
| updated on: | 00.04.2002 |
| Remark: | ON.139 |