| Turnpoint | Distance | Direction | Observation zone |
|---|---|---|---|
| Leighton Buzzard NE | 9.03 km | 140.1° | Next, R=5.00 km, Angle=90.0°, Max.alt. is 1.37 km |
| Grafham Water | 46.25 km | 31.0° | R=60.00 km, Radial1=71.0°, Radial2=23.0° |
| Olney | 32.34 km | 241.4° | Cylinder R=6.00 km |
| Banbury | 42.80 km | 258.7° | R=100.00 km, Radial1=288.0°, Radial2=258.0° |
| Stony Stratford | 30.42 km | 91.1° | Cylinder R=8.00 km |
| Dunstable Airfield | 30.78 km | 134.6° | Line 3.00 km, Angle=125.0° |
| Total: | 177.81 km / 512.77 km (182.59 km) | ||