Raymarine ST60+ Owner's Handbook Manual page 43

50 mm
Drill hole, 4 mm
34.5 mm
diameter
27.5 mm
7 mm
Center
Front
Line
10 mm
Drill hole, 4 mm
If cable is to leave base from
diameter
underneath, drill hole, 8 mm diameter
(not required if cable to exit from rear)
Wind vane drilling template
D6955-1