Last year over 1,000 people died in 32 air accidents. In the near future, it would be possible for a similar number to die in one cataclysmic mid-air collision between two jumbo jets. But will it ever happen? How safe is this new era of flying? And what of the aircraft of today that already have that second-hand appearance? In tonight's Panorama, What Price Air Safety?, Richard Kershaw reports on the world of flying and how far it can be made safer.