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Why The Human Factors of Aviation Maintenance Matter

Our A&P tells you about ‘The Dirty Dozen’ and why each of them is so important.

Frequently, aircraft maintenance professionals are placed in uncomfortable situations when maintaining aircraft. [Courtesy: Richard Scarbrough]
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Key Takeaways:

  • The article uses the author's grueling past as an aircraft mechanic to introduce the critical but historically overlooked concept of "human factors" in aviation safety.
  • Human factors are defined as applying knowledge of human capabilities and limitations to improve performance, ensuring safe and effective work.
  • Gordon Dupont's "Dirty Dozen" is presented as a crucial framework outlining 12 common human error elements, including fatigue, lack of communication, and complacency, that contribute to unsafe conditions.
  • Implementing human factors training in Maintenance, Repair, and Overhaul (MRO) organizations faces resistance, necessitating relevant, scenario-based activities to demonstrate their tangible value to mechanics.
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The alarm sounds at 0605 local, and I barely register that I am alive, let alone awake. Struggling to my feet, I dress and move slowly toward the kitchen, where my mother greets me with a red-and-white 16-quart Igloo Playmate cooler, packed with all three meals I would need for the next 18 hours and snacks. I shoulder my faded black Jansport backpack, hoist my Sears Craftsman toolbox into the truck, and fight to stay awake on my early morning drive to airframe and powerplant (A&P) school.

A&P school concludes at 1500. Next, my shift starts at the ATL T Gates. As a mechanic’s helper, my duties ranged from interior cabin work to hauling Lockheed L-1011 tires and nitrogen bottles. We sometimes entered aircraft logbooks into the computer.

Richard Scarbrough

Richard is a US Navy Veteran, A&P Mechanic, and Embry-Riddle Aeronautical University alumni. His experience ranges from general and corporate aviation to helicopters, business jets, and commercial airliners. Former owner of a 145 repair station, he currently has an aerospace product management role and is a member of the T-C-Alliance. Follow him on X (Twitter) at @RScarCo.

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