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The Human Factor: Unstable Personalities

Gemini Sparkle

Key Takeaways:

  • Failure to go around during unstable approaches is the leading cause of approach and landing accidents, with an estimated 97% of aircrews continuing unstable approaches.
  • Pilots who tend to continue unstable approaches often demonstrate lower situational awareness, reduced ability to anticipate risk, and greater confidence in their ability to compensate for instability.
  • Organizational culture, including crew pressure, cockpit authority structures, and a perceived lack of support for go-around decisions, contributes to a "normalization of deviance" where unsafe practices are tolerated.
  • Addressing this requires redefining stable approach criteria, enhancing communication, developing automated monitoring, and fostering a safety culture through pilot involvement in SOPs and management support for go-arounds.
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After my article on overcoming go-around hesitation was published in the November 2012 issue of Flying, I received a message from Dr. Martin Smith about a study he and his associates at Presage Group Inc. conducted in conjunction with the Flight Safety Foundation. The goal of the study was to try to determine how commercial pilots’ situational awareness affects their safety and compliance with procedures and why pilots disregard go-around decisions required by FARs and company regulations on both visual and instrument unstable approaches. The study is part of a larger effort by the Flight Safety Foundation to identify the risks associated with a go-around.

Failure to go around during an unstable approach is the leading factor in approach and landing accidents and is also the primary cause of runway excursions. It is estimated that 97 percent of aircrews that find themselves in an unstable approach condition continue the approach and land. While the study was conducted mostly with professional airline pilots from many different areas of the world, with a median of 10,000 hours total time, I believe the same results would be true for general aviation pilots.

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