2 June 1983, Air canada Flight 797, a small mechanical problem in the back of a Canadian aircraft quickly led to an all-out emergency. Thick, toxic smoke filled the plane before it burst into flames, killing 23 people.

3 March 1991 - United Airlines Flight 585 - - A Boeing 737 jet spins out of control on its descent, and ten seconds later all 20 passengers are dead. What resulted was one of the longest and most expensive enquiries in US aviation history.