Four-part documentary exploring the unfortunate circumstances that led to some of the worlds most tragic air disasters. Factors such as faults in design, mechanical failure, weather problems and human error are all examined as the series tries to find out what went wrong on these fateful flights. Genre: Documentary Release Date: 7th March 2011 Year of production: 2010 Running Time: 188 min Cat No: 132712 Barcode: 5019322327127 No Disc: 1 Certification: E Format: DVD