Nummer: 01209
| Area : | Western Area |
| Sea area : | North Sea |
| Date of attack : | 31.01.1940 |
| Time of attack : | 19:54 |
| Nationality of U-boat : | German |
| U-boat : | U 21 |
| Commander : | Stiebler |
| Grid : | AN 4245 |
| presumed target type : | Steam Freighter |
| presumed tonnage : | 1365 BRT |
| presumed result : | sunk |
| Number of torpedoes/mines : | 1 |
| Used weapon(s) : | Torpedo(es) |
| Date of observation : | 31.01.1940 |
| Time of observation : | 19:14 |
| Nationality of target : | Danish |
| Actual type of target : | Steam Freighter |
| Name of target : | Vidar |
| Year of launch : | 1915 |
| Actual tonnage : | 1353 BRT |
| Actual result : | sunk |
| Position of target : | 58.39n 02.00e |
