Nummer: 05811
| Area : | Western Area |
| Sea area : | North Atlantic |
| Date of attack : | 29.06.1941 |
| Time of attack : | 00:51 |
| Nationality of U-boat : | German |
| U-boat : | U 103 |
| Commander : | Schütze |
| Grid : | DG 9541 |
| presumed target type : | Steam Freighter |
| presumed tonnage : | 6600 BRT |
| presumed result : | sunk |
| Number of torpedoes/mines : | 2- |
| Used weapon(s) : | Torpedo(es) |
| Date of observation : | 28.06.1941 |
| Nationality of target : | Italian |
| Actual type of target : | Steam Freighter |
| Name of target : | Ernani |
| Year of launch : | 1910 |
| Actual tonnage : | 6619 BRT |
| Actual result : | sunk |
| Position of target : | 450sm W Las Palmas |
| Footnote : | "Ernani" was an Italian blockade runner going from Teneriffa to Bordeaux. She sailed under cover as the Dutch "Enggano" and was sunk from U-103 by mistake. |