From the fearless test pilots and the very first commercial jet airliners of the post war years the Constellation and the Comet. With in depth analysis of some of the most well known plane crashes and the investigations by the worlds leading experts in a race to discover the causes of each crash. This exclusive edition includes 2 DVDs of the television series Mayday, Air Crash Investigation investigating air crashes, near-crashes, hijackings, bombings and other disasters. Mayday uses re-enactments and computer generated imagery to reconstruct the sequence of events leading up to each disaster. In addition, aviation experts, retired pilots and crash investigators are interviewed explaining how these emergencies came about, how they were investigated and how they could have been prevented.