| Turnpoint | Distance | Direction | Observation zone |
|---|---|---|---|
| LBZ Leighton Buzzard NE | 9.03 km | 140.1° | Next, R=5.00 km, Angle=90.0°, Max.alt. is 1.31 km |
| SILverstone | 29.91 km | 301.3° | Symmetric, Rmin=0.50 km, Rmax=20.00 km, Angle=90.0°, Cylinder R=0.50 km |
| NOS Northampton South | 14.75 km | 31.6° | Symmetric, Rmin=0.50 km, Rmax=10.00 km, Angle=180.0°, Cylinder R=0.50 km |
| DUNstable Airfield | 42.18 km | 145.8° | Line 1.70 km, Angle=125.0° |
| Total: | 86.85 km | ||