The Causes form is structured around the human performance factors and the 10 incident factors. Human performance factors include errors or intentional rule breaking by a person. The 10 incident factors include weaknesses or failures in an organisation’s systems such as in the design of equipment or provision of training. This encourages the industry to consider the role of system failures as well as human failures, thus contributing to a fair culture. In addition, if accident and incident causes are well understood, this supports the identification of targeted recommendations that will be more effective to prevent similar events from happening again.