How does a survivable airline emergency turn into one of British aviations most horrific disasters? Investigators face this question after 55 passengers perish aboard a plane that never even leaves the ground. Experience the tragic events that befell Airtours Flight 28M in 1985, and see how an engine fire proved far less deadly than the toxic fumes it produced. The findings of this catastrophe led to sweeping changes in the design of commercial aircrafts to increase passengers survival chances in the future.