Nummer: 20406
| Area : | Arctic Ocean |
| Sea area : | North Norway |
| Date of attack : | 25.01.1944 |
| Time of attack : | 20:12 |
| Nationality of U-boat : | German |
| U-boat : | U 278 |
| Commander : | Franze |
| Grid : | AC 4572 |
| presumed target type : | Steam Freighter |
| presumed tonnage : | 7000 BRT |
| presumed result : | sunk |
| Number of torpedoes/mines : | - |
| Used weapon(s) : | Torpedo with preset course |
| Convoy : | JW.56A |
| Footnote : | U-278 fired a spread of three FAT and heard two detonations and sinking noises. |
| Convoy : | JW.56A |
| Route of convoy : | Loch Ewe - (Iceland) - Kola Fjord - (Arkhangelsk) |
| Remark to convoy : | Since Dec 1942, former PQ (counter traffic = RA) |