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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]
Gemini Sparkle

Key Takeaways:

  • The article emphasizes the critical role of "human factors" in aviation maintenance, contrasting its historical neglect (as experienced by the author) with its current recognition as essential for safety.
  • It introduces and explains "The Dirty Dozen," a framework of 12 common human error elements (e.g., fatigue, lack of communication, complacency, stress) that contribute to unsafe conditions in aircraft maintenance.
  • Successfully integrating human factors training in Maintenance, Repair, and Overhaul (MRO) shops requires making it relevant and demonstrating tangible individual value to overcome resistance.
  • The piece advocates for aviation maintenance personnel to prioritize their physical and mental well-being and proactively apply human factors knowledge by taking breaks, asking questions, and adhering to manuals to prevent errors and ensure safety.
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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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