Dirty Dozen of Human Factors
The Dirty Dozen of Human Factors (alternatively known as Dirty Dozen in Aviation or, simply, the Dirty Dozen; hereinafter, the Dozen) is the twelve most common maintenance-related human factors that are responsible for the most of incidents and accidents in aviation. The Dozen was initially developed by Transport Canada.
Definitions
According to the FAA AC 120-72,
- Dirty Dozen. The twelve most common maintenance-related causes of errors. These twelve causes are: (a) lack of communication, (b) complacency. (c) lack of knowledge, (d) distraction, (e) lack of teamwork, (f) fatigue, (g) lack of resources, (h) pressure, (i) lack of assertiveness, (j) stress, (k) lack of awareness, (l) norms
Components
These twelve causes are: (a) lack of communication, (b) complacency. (c) lack of knowledge, (d) distraction, (e) lack of teamwork, (f) fatigue, (g) lack of resources, (h) pressure, (i) lack of assertiveness, (j) stress, (k) lack of awareness, (l) norms.
