Aeronautical engineer Professor Brendan Walker presents this four-part documentary series looking at some of the most extreme incidents, disasters and near misses in the history of air travel. Incorporating eyewitness accounts, audio recordings and archive news footage, Walker pieces together the events that led to certain incidents and investigates how precautions and checks can prevent such disasters occurring in the future. Running Time: 180 min   No Disc: 1 Certification: E Format: DVD