Air crash investigators will be piecing together the events leading up to the crash of a charter aircraft in Essendon this week.
The movie Sully, out today, tells the story of Captain Chesley "Sully" Sullenberger who landed an Airbus A320-214 in New York's Hudson River. To accident experts, this was no crash landing.
Further analysis of the debris from missing Malaysia Airlines flight MH370 point to a possible new search area in the Indian Ocean.
Without the details that flight recorders provide, crash investigators cannot fully understand the causes of catastrophe.
Air accident investigations are meticulous, thorough, and are the reason air travel is as safe as it is.
Speculating on the cause of any crash is very difficult, but several key explanations are far more likely than any others.