Nummer: 00922
| Area : | Western Area |
| Sea area : | North Sea |
| Date of attack : | 13.01.1940 |
| Time of attack : | 04:30 |
| Nationality of U-boat : | German |
| U-boat : | U 20 |
| Commander : | Moehle |
| Grid : | AN 4141 |
| presumed target type : | Steam Freighter |
| presumed tonnage : | 3000 BRT |
| presumed result : | sunk |
| Number of torpedoes/mines : | 1 |
| Used weapon(s) : | Torpedo(es) |
| Date of observation : | 13.01.1940 |
| Nationality of target : | Swedish |
| Actual type of target : | Steam Freighter |
| Name of target : | Sylvia |
| Year of launch : | 1883 |
| Actual tonnage : | 1524 BRT |
| Actual result : | sunk |
| Position of target : | NE Aberdeen |
| updated on: | 00.05.2000 |
| Remark: | TONN2 |
| Changes: | 1) Zimmerman, Mai 2005: 1524 BRT (Gröner) |