Cold blood, know-how and humility are three key qualities for any helicopter pilot in the high mountains. With nearly 50 rotations per day in high season, these pilots must constantly maintain extreme concentration levels. For every rescue or load operation holds its own inherent risk of accident. In the high mountains' ever changing environment, a careless fraction of a second can be fatal. Pascal Brun, a seasoned pilot of the legendary Swiss company Air Glaciers, knows this better than anyone: his son passed away with both hands bolted to the cyclic. Meet the pilots of snow-covered mountain peaks.