Nummer: 14805b
| Area : | Western Area |
| Sea area : | Canada |
| Date of attack : | 03.02.1943 |
| Time of attack : | 04:52 |
| Nationality of U-boat : | German |
| U-boat : | U 223 |
| Commander : | Wächter |
| Grid : | A 3852 |
| presumed target type : | Steam Freighter |
| presumed tonnage : | 4000 BRT |
| presumed result : | damaged |
| Used weapon(s) : | Torpedo(es) |
| Convoy : | SG.19 |
| Nationality of target : | Norwegian |
| Actual type of target : | Steam Freighter |
| Name of target : | Biscaya |
| Year of launch : | 1939 |
| Actual tonnage : | 1323 BRT |
| Actual result : | hit not ascertained |
| Footnote : | U-223 fired 5 single shots. Two hit the US Army transport "Dorchester", and a second ship was missed. |
| related attacks : | Angriff 1 Angriff 2 |
| Convoy : | SG.19 |
| Route of convoy : | Sydney (Nova Scotia) - Greenland |
| Remark to convoy : | Since 1942 (counter traffic = GS) |