The investigation of the civil aviation accidents is very crucial procedure for revealing the truth regarding these accidents. The most important procedural aspects of this investigation are represented in determining the state entrusted with conducting it, and the procedures of collecting and preserving evidence in order to prepare the investigation minute .

The investigation must be conducted in the technological progress context by adopting electronic evidence to prove the truth about the accident, for example: the flight data recorder report that contains all the data of the flight, and the DNA report, which is useful in identifying the bodies of the victims .

After preparing the minute, if the accident constituted a criminal offense, it will be placed at the disposal of the Public Prosecution to conduct its investigation regarding it. If the accident was only civil, the minute will be placed at the disposal of the injured to claim compensation . The minute should also be placed at the disposal of the civil aviation authorities in the country in order to find out its causes and work to avoid them in order to avoid the occurrence of other accidents in the future in the same circumstances