*5.1.14.1 Human cause*

The human nature of the cause is considered when either the main cause or the secondary cause is human. There are 33 cases (78.6%) without human cause, while 9 cases (21.4%) were having a human error origin. The incidents end in an excursion in 10 cases (76.9%) when there is no human cause, and in 3 cases (23.1%) when there is a human cause. When there is not a loss of position, incidents without a human cause occur in 23 cases (79.3%), and incidents with a human cause happen in 6 cases (20.7%).
