Nummer: 01711
| Area : | Western Area |
| Sea area : | Norway West Coast |
| Date of attack : | 16.04.1940 |
| Time of attack : | 15:19 |
| Nationality of U-boat : | German |
| U-boat : | U 13 |
| Commander : | Schulte |
| Grid : | AF 7890 |
| presumed target type : | Destroyer |
| presumed tonnage : | 1870 ts |
| presumed result : | damaged |
| Number of torpedoes/mines : | 1 |
| Used weapon(s) : | Torpedo(es) |
| Actual tonnage : | ---- -- |
| Actual result : | hit not ascertained |
