Nummer: 00912
| Area : | Western Area |
| Sea area : | North Sea |
| Date of minelaying : | 16.11.1939 |
| Nationality of U-boat : | German |
| U-boat : | U 15 |
| Commander : | Frahm |
| Grid : | AN 7637 |
| presumed target type : | --- |
| presumed tonnage : | ---- --- |
| presumed result : | hit not ascertained |
| Used weapon(s) : | Sea mine(s) |
| Date of sinking : | 28.12.1939 |
| Time of sinking : | 22:53 |
| Nationality of target : | British |
| Actual type of target : | Trawler, Drifter |
| Name of target : | Resercho |
| Year of launch : | 1917 |
| Actual tonnage : | 258 BRT |
| Actual result : | sunk |
| Position of target : | 6sm SEzE Flamborough Head |