Lio,

Based upon U 79's KTB, also show 9 patrols, but the dates are different:

6-Aug-16 to 25-Aug-16, S coast of Ireland via Scotland
26-Sep-16 to 14-Oct-16, Firth of Clyde
21-Dec-16 to 28-Jan-17, through Dover to coast of Portugal, home via Scotland
1-Apr-17 to 21-Apr-17, N of Ireland via Scotland
6-Jun-17 to 3-Jul-17, NW of Ireland via Scotland
12-Sep-17 to 17-Oct-17, N of Ireland via Scotland
17-Dec-17 to 21-Dec-17, Dutch coast
31-Dec-17 to 6-Jan-18, Dutch coast
7-Feb-18 to 20-Feb-18, Dutch coast

Best wishes,
Michael