| Turnpoint | Distance | Direction | Observation zone |
|---|---|---|---|
| HB start west | 5.44 km | 80.2° | Next, R=5.00 km, Angle=90.0°, Max.alt. is 1.68 km |
| Belvoir | 55.85 km | 24.6° | Symmetric, Rmin=0.50 km, Rmax=20.00 km, Angle=90.0°, Cylinder R=0.50 km |
| Ramsey | 66.25 km | 137.3° | Symmetric, Rmin=0.50 km, Rmax=20.00 km, Angle=90.0°, Cylinder R=0.50 km |
| Oxford South | 111.97 km | 224.5° | Symmetric, Rmin=0.50 km, Rmax=20.00 km, Angle=90.0°, Cylinder R=0.50 km |
| Thrapston | 88.99 km | 33.3° | Symmetric, Rmin=0.50 km, Rmax=20.00 km, Angle=90.0°, Cylinder R=0.50 km |
| HB East | 35.11 km | 279.1° | Line 1.00 km (Radius 0.50 km) |
| Total: | 358.17 km | ||