Experienced crash investigators have said that various parties involved in any crash investigation have an interest in blaming the pilot: the cost associated with a mechanical failure are potentially vast.

A crash investigation previously found pilot error caused the accident.

They are usually a traffic officer who has investigated a great number of nonfatal crashes and have advanced towards more in-depth crash investigation.

The summaries are not considered official reports of a highway crash investigation, but merely a summary of preliminary information presented to an investigating officer.

Flight testing continued some months later after the crash investigation was concluded.