| Turnpoint | Distance | Direction | Observation zone |
|---|---|---|---|
| HB start east | 5.74 km | 284.0° | Next, R=5.00 km, Angle=90.0°, Max.alt. is 1.68 km |
| Belvoir | 52.69 km | 13.6° | 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 |
| Welford | 142.39 km | 219.6° | Symmetric, Rmin=0.50 km, Rmax=20.00 km, Angle=90.0°, Cylinder R=0.50 km |
| Thrapston | 120.74 km | 30.1° | 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: | 417.18 km | ||