Was the individual mentally or physically capable of responding properly? If not, why?
Did this failure occur due to a self induce state such as alcohol intoxication or fatigue?
Had the individual been properly trained in how to cope with the situation that lead to the accident?
If not who was responsible for the training deficiency and why?
Was the individual given adequate operational information on which to base decisions?
If they were not given proper information, who failed to provide the information and why?
Was the individual distracted to the point that he/she was not paying proper attention to their duties?
If so who or what created the distraction and why?