Nummer: 02519
| Area : | Western Area |
| Sea area : | North Atlantic |
| Date of attack : | 20.08.1940 |
| Time of attack : | 00:27 |
| Nationality of U-boat : | German |
| U-boat : | UA |
| Commander : | Cohausz |
| Grid : | AL 8723 |
| presumed target type : | Steam Freighter id |
| presumed tonnage : | 4397 BRT |
| presumed result : | sunk |
| Number of torpedoes/mines : | 2- |
| Used weapon(s) : | Torpedo(es) |
| Convoy : | OB.198 |
| Date of observation : | 20.08.1940 |
| Time of observation : | 00:05 |
| Nationality of target : | Panamanian |
| Actual type of target : | Steam Freighter |
| Name of target : | Tuira |
| Year of launch : | 1912 |
| Actual tonnage : | 4397 BRT |
| Actual result : | sunk |
| Position of target : | 54.46n 20.30w |
Steam Freighter Tuira ex Greek Andriotis (bis 1940)
| Convoy : | OB.198 |
| Route of convoy : | Liverpool - North America (out) |
| Remark to convoy : | Sep 1939 to Jul 1940 via South Ireland, Jul to Okt 1940 via North Cannel, then ON. |