HAZARDS of ALPINE FLYING: A Survey of its Problems and the Way in Which They Are Overcome
... Much valuable information with regard to Alpine flying has been obtained from the experience of glider and sail plane pilots. It is necessary for them to make use of thermal up-currents to obtain height, and it is these currents and their corresponding down- currents and air-pockets that are the cause of many of the hazards of Alpine flying. Recently, Swiss sailplane pilots were catapulted ...