A paper, minimum 4 pages in length written according to APA format standards. Th

A paper, minimum 4 pages in length written according to APA format standards. The initial paper will define the principles and concepts of human factors, and explain, compare, and contrast the SHEL and HFACS models for classifying human errors. In the paper summary describe how the duties associated with the duties of a first officer employed under a part 121 Regional airline in the US and how the job can develop a broader understanding of the impact of human error in aviation accidents and incidents.