| Turnpoint | Distance | Direction | Observation zone |
|---|---|---|---|
| HB start north | 5.17 km | 183.7° | Next, R=5.00 km, Angle=90.0°, Max.alt. is 1.68 km |
| Long Sutton | 83.82 km | 66.9° | Symmetric, Rmin=0.50 km, Rmax=20.00 km, Angle=90.0°, Cylinder R=0.50 km |
| Corby Glen | 42.83 km | 275.5° | Symmetric, Rmin=0.50 km, Rmax=20.00 km, Angle=90.0°, Cylinder R=0.50 km |
| HB control point east | 48.55 km | 211.4° | Symmetric, Rmin=0.50 km, Rmax=15.00 km, Angle=90.0°, Cylinder R=0.50 km |
| HB East | 9.76 km | 270.9° | Line 1.00 km (Radius 0.50 km) |
| Total: | 184.96 km | ||