| Turnpoint | Distance | Direction | Observation zone |
|---|---|---|---|
| Leighton Buzzard NE | 9.03 km | 140.1° | Next, R=5.00 km, Angle=90.0°, Max.alt. is 1.31 km |
| Bicester Rail Bridge | 34.83 km | 263.9° | Symmetric, Rmin=0.50 km, Rmax=10.00 km, Angle=180.0°, Cylinder R=0.50 km |
| Thame Church | 19.77 km | 146.6° | Symmetric, Rmin=0.50 km, Rmax=10.00 km, Angle=180.0°, Cylinder R=0.50 km |
| Mursley | 25.56 km | 26.8° | Symmetric, Rmin=0.50 km, Rmax=10.00 km, Angle=180.0°, Cylinder R=0.50 km |
| Dunstable Airfield | 20.30 km | 117.3° | Line 5.00 km, Angle=125.0° |
| Total: | 100.46 km | ||