Please note this is a region 2 DVD & will require a region 2 or region free DVD player in order to play A candid look at pilot errors technical failures near misses & emergency landings across the world&s crowded airways Everyone knows that air travel is statistically the safest form of transport but when things go wrong disaster looms Aeronautical engineer Professor Brendan Walker celebrates the unsung heroes who keep us airborne but warns that modern aviation is too technologically complex to be entirely safe Plane crashes are mercifully rare but in today&s congested skies near misses & narrow escapes are anything but Every day around the world over 100000 passenger planes take to the air each flight depending on the careful actions of thousands from assembly line workers to maintenance staff pilots cabin crew & air traffic controllers Tiny cracks circuit breaks & any number of computer errors can lead to catastrophe while flight & land crew must be alert to external forces from lightning & bird strikes to unexpected turbulence or volcanic eruptions Combining user-generated content cabin & control tower audio recordings & archive news footage including Captain Chesley Sullenberger&s heroic 2009 emergency landing of a passenger jet on the Hudson in central Manhattan this four-part series investigates all the perils & precautions from take-off to landing