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PreAccident Investigation Podcast

PAPod 480 - ETTO and Goal Conflicts and A Doorway

Jan 20, 2024
The podcast delves into the concept of Efficiency Thoroughness Trade-Off through the Boeing 737 MAX9 incident, emphasizing the balance between efficiency and safety. It explores resilience in adversity with a plane incident, highlighting the importance of design resilience. The discussion navigates the challenges of balancing efficiency and safety in high-risk environments, emphasizing the need for transparency and continuous learning for improved reliability.
25:17

Podcast summary created with Snipd AI

Quick takeaways

  • Efficiency Thoroughness Trade-Off (ETTO) emphasizes balancing worker efficiency with operational thoroughness to prevent failures.
  • Operational Goal Conflict highlights the challenges of navigating conflicting priorities in real-time scenarios, emphasizing the need for effective tools and awareness.

Deep dives

Efficiency Thoroughness Trade-Off (ETTO)

The podcast delves into Eric Hollenaugal's concept of Efficiency Thoroughness Trade-Off (ETTO), highlighting the balance between worker efficiency and operational thoroughness. Hollenaugal suggests that workers are as thorough as needed to be efficient, cautioning against excessive thoroughness impacting efficiency and vice versa. By discussing the Boeing 737 MAX-9 incident with a blown hatch, the podcast emphasizes how operational failures can relate back to the delicate ETTO balance, showcasing the critical link between operational reliability, safety, and efficiency.

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