| Turnpoint | Distance | Direction | Observation zone |
|---|---|---|---|
| HB start west | 5.44 km | 80.2° | Next, R=5.00 km, Angle=90.0°, Max.alt. is 1.83 km |
| Chatteris | 78.34 km | 87.9° | Symmetric, Rmin=0.50 km, Rmax=20.00 km, Angle=90.0°, Cylinder R=0.50 km |
| Oxford East | 114.24 km | 228.3° | Symmetric, Rmin=0.50 km, Rmax=20.00 km, Angle=90.0°, Cylinder R=0.50 km |
| Norman Cross | 102.94 km | 36.6° | Symmetric, Rmin=0.50 km, Rmax=20.00 km, Angle=90.0°, Cylinder R=0.50 km |
| HB East | 50.78 km | 262.4° | Line 1.00 km (Radius 0.50 km) |
| Total: | 346.30 km | ||