The reason . . . is not usually laziness or unwillingness. The reason is more often that the necessary knowledge has not been translated into a simple, usable and systematic form. If the only thing people did in aviation was issue dense, pages-long bulletins . . . it would be like subjecting pilots to the same deluge of almost 700,000 medical journal articles per year that clinicians must contend with. The information would be unmanageable. Instead . . . crash investigators [distil] the information into its practical essence.
