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Human Factors
Everything to know about human factors in aviation maintenance
Question | Answer |
---|---|
What percent of aviation accidents are human error caused? | 75-80% |
What percent of aviation accidents are maintenance related? | 12% |
What is human error? | human action w/ unintended consequences |
Is human error avoidable? | No |
What is an unintentional error? | an accidental deviation from accuracy (a mistake), caused by opinions, lapse in judgement, poor reasoning, carelessness, or a lack of knowledge |
What is an intentional error? | it is a violation in aviation |
What is an active error? | the obvious error in an event |
What is a latent error? | the less apparent error that led up to the active error |
What percent of maintenance errors involve human factors? | 80% |
What are human factors (the field)? | the field that focuses on the relationship b/w humans, technology, and the environment |
What is a user-centered design? | a design strategy that includes the physical, emotional, cognitive, and social aspects of the user |
What do human factors professionals study? | the human element in technology to improve the safety, efficiency, and user satisfaction |
What fields do human factors play critical roles in? | Aviation, manufacturing, and healthcare |
How do we solve human error? | we can't, we can only be prepared for them |
What is anthropometry? | the study of the dimensions and abilities of the human body |
Does one size fit all in aviation maintenance? | No |
What is computer science? | the study of the theoretical foundations of information and computation, and the practice techniques for their implementation and application in computer systems |
What is cognitive science? | the study of the human mind as an information processor |
What is safety engineering? | the assurance that the life-critical system will behave as needed even when the component fails |
What is medical science? | the study of designs to maintain and restore health through disease prevention and treatment |
What is organizational psychology? | the relationship b/w people and work |
What is educational psychology? | the study of how people learn, how to teach people, and how to teach in a way that relates to a wide range of people |
What does the PEAR model stand for? | P - people who do the job E - environment in which they work A - actions they perform R - resources necessary to complete the job |
What is the Maintenance Error Decision Aid (MEDA) comprised of? | 1) Data Collection 2) Event Description 3) Error Analysis 4) Risk Assessment 5) Prevention Strategies |
What does the SHEL model stand for? | S - software H - hardware E - environment L - liveware |
What is the swiss cheese model? | it is used for complex systems and views accidents as a result of multiple failures/weaknesses that align |
What are the layers of the swiss cheese model? | organizational influences, preconditions for unsafe acts, unsafe acts, and hazardous conditions |
What are the dirty dozen? | lack of resources/knowledge/communication/teamwork/assertiveness/awareness, complacency, stress, pressure, fatigue, norms, and distraction |