Civil Aviation guides pilots using radar in the southern Jura region. This is where the precision approach with ILS 33 begins at a minimum altitude of 1,700 metres above sea level. The landing follows a level flight phase followed by a descent path at an angle of 3.5° along the axis of runway 33. The fly-over heights are approximately 1,100 m above ground level at Balsthal, approximately 700 m above ground level at Birstal, and approximately 300 m above ground level at Binningen and Allschwil.