Nummer: 20914
| Area : | Arctic Ocean |
| Sea area : | North Norway |
| Date of attack : | 03.12.1944 |
| Time of attack : | 01:04 |
| Nationality of U-boat : | German |
| U-boat : | U 1163 |
| Commander : | Balduhn |
| Grid : | AW 2163 |
| presumed target type : | Armed Trawler |
| presumed result : | sunk |
| Number of torpedoes/mines : | 1 |
| Used weapon(s) : | Torpedo(es) |
| Convoy : | KB.35 |
| Date of observation : | 03.12.1944 |
| Time of observation : | 03:00 |
| Nationality of target : | Soviet |
| Actual type of target : | Steam Freighter |
| Name of target : | Revolutsiya |
| Year of launch : | 1909 |
| Actual tonnage : | 433 BRT |
| Actual result : | sunk |
| Position of target : | 68.44n 37.49e |
| Convoy : | KB.35 |
| Route of convoy : | Kola Fjord - White Sea (soviet) |
| Remark to convoy : | Since Sommer 1941, annual new numbering (counter traffic = BK) |