Nummer: 02305
| Area : | Western Area |
| Sea area : | North Atlantic |
| Date of attack : | 11.07.1940 |
| Time of attack : | 07:06 |
| Nationality of U-boat : | German |
| U-boat : | U 34 |
| Commander : | Rollmann |
| Grid : | BE 3328 |
| presumed target type : | Steam Freighter id |
| presumed tonnage : | 2197 BRT |
| presumed result : | sunk |
| Number of torpedoes/mines : | 1 |
| Used weapon(s) : | Torpedo(es) |
| Convoy : | HX.54 s |
| Date of observation : | 11.07.1940 |
| Time of observation : | 04:30 |
| Nationality of target : | Norwegian |
| Actual type of target : | Steam Freighter |
| Name of target : | Janna |
| Year of launch : | 1919 |
| Actual tonnage : | 2197 BRT |
| Actual result : | sunk |
| Position of target : | 50.34n 12.10w |
| Convoy : | HX.54 s |
| Route of convoy : | (New York) - Halifax - United Kingdom |
| Remark to convoy : | Sep 1939 to Sep 1942 ab Halifax, then from New York (counter traffic = ON), vgl. HXF und SC. |