What Is the Human Factors Dirty Dozen
According to Skybrary, The Human Factors “Dirty Dozen” refers to twelve of the most common human error preconditions, or conditions that can act as precursors, to accidents or incidents.
The Dirty Dozen highlights how everyday factors can influence people to make mistakes, particularly in safety critical environments.
Origins of the Dirty Dozen
The Dirty Dozen concept was developed by Gordon Dupont in 1993 while working for Transport Canada. It was originally created as part of an introductory training program for Human Performance in Maintenance.
Since then, it has become a cornerstone of Human Factors training courses worldwide, particularly within aircraft maintenance and airport operations.
The Twelve Common Human Error Preconditions
- Lack of communication
- Distraction
- Lack of resources
- Stress
- Complacency
- Lack of teamwork
- Pressure
- Lack of awareness
- Lack of knowledge
- Fatigue
- Lack of assertiveness
- Norms
Each of these factors can reduce performance and increase the likelihood of errors if not properly managed. For those seeking more in depth information on each of these twelve elements, detailed explanations are available on the Skybrary website.
The Role of Human Factors Safety Training
Human Factors safety training plays a critical role in addressing the error preconditions identified by the Dirty Dozen. Effective training helps organizations recognize risks early and build stronger defences against human error.
Our Human Factors Safety Training Course
Our Human Factors Safety Training course supports airports in strengthening their safety culture by improving awareness of the factors that influence human performance.
This online course provides participants with a comprehensive introduction to core Human Factors concepts. It enables learners to recognize, understand, and prevent human errors in airside operations.
Upon completion, participants are equipped to apply practical Human Factors strategies within their day to day airport industry roles.
