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Flight Crew Performance: Human Factors

Flight Crew Performance: Human Factors. Evan Byrne, Ph.D. Human Performance Group Chairman. Wayfinding. Multiple sources of information used to navigate airport surfaces Knowledge of standard airport features and marking standards Airport charts Taxi instructions Pilots experienced

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Flight Crew Performance: Human Factors

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  1. Flight Crew Performance:Human Factors Evan Byrne, Ph.D. Human Performance Group Chairman

  2. Wayfinding • Multiple sources of information used to navigate airport surfaces • Knowledge of standard airport features and marking standards • Airport charts • Taxi instructions • Pilots experienced • Straightforward taxi

  3. Supporting Cues and Aids • External cues on airport surface • Taxiway signs • Holding position signs • Runway markings • Aids in cockpit • Heading bugs • Airport diagram • Communications with controller • Cues and aids should have enabled successful navigation to runway 22

  4. Actions During Taxi • No evidence of time pressure • Noncompliance with sterile cockpit rule • Distraction likely contributed to loss of positional awareness Nonpertinent conversation

  5. Confirmation Bias • Allows mistaken perception to persist • Tendency to see features that support perception • Less emphasis on contradictory information

  6. Crew Performance • Performance was uncharacteristic • Favorably assessed by others • Made other errors

  7. Crew Performance • Role of fatigue • 6 to 7 hours available sleep time; early awakening • Insufficient evidence to determine if fatigue affected performance

  8. Crew Performance • Cockpit discipline • Breakdown in adherence to standard operating procedures • Research shows increased risk for subsequent error

  9. Prevention • Other accidents and incidents demonstrate pilots vulnerable to surface navigation errors • Need to cross-check and confirm position

  10. Prevention • Enhanced taxiway centerline markings • Surface painted holding position signs 26 26

  11. Prevention • Moving map displays and cockpit runway alerting systems

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