
Catastrophic incidents in aviation history are meticulously re-enacted, providing insight into what went wrong and if the crashes and near-disasters could have been prevented; accounts from survivors combine with cockpit recordings and computer images to weave the gripping tales and expert testimony reveals the hows and whys behind the events, some of which have resulted in important changes to aviation safety and regulations.

A Russian pilot allowed his teenage son to take control of Aeroflot Flight 593, setting in motion a chain of events that caused the deaths of 70 people.

With its conductors sound asleep, a freight train fails to stop and collides with an oncoming train, resulting in tragedy.

A Greek ferry, the Express Samina, is pushed off course by strong waves and crashes into a rock formation causing eighty passengers to lose their lives in the freezing water as they wait for rescue.

A freight train carrying an excess of cargo loses its brakes while descending a mountain causing it to gain speed and derail into a neighborhood killing several people.