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Evaluating Human Factors in Aviation Evaluating Human Factors in Aviation Related Accidents and IncidentsRelated Accidents and IncidentsMelissa BrownMelissa Brown
How Common is Human Error?How Common is Human Error?•1903–20% Human factors–80% Machine causes•2007–80% Human factors–20% Machine causes(Rankin, 2007)
Planning vs. ExecutionPlanning vs. Execution•Planning–Mistakes•Rule-based: applying inappropriate rules to a specific situation•Knowledge-based: inexperience or a lack of training or education•Execution–Slips: experienced (complacency)–Lapses: inexperienced or not paying attention
Contributing FactorsContributing Factors•Situational awareness•Workload•Training and Experience/Expertise•Familiarity•Memory•FATIGUE
JFK, Jr. (1999)JFK, Jr. (1999)•Crashed in Atlantic Ocean near Martha’s Vineyard.•Inexperienced, 310 hrs total, 55 hrs night•Spatial disorientation•3 people killed(NYC99MA178, 2000)
Asiana Flight 214 (2013)Asiana Flight 214 (2013)•Crashed into seawall at SFO•Captain: 43 hours in Boeing 777•First Officer: PIC; First flight as instructor•Automatic speed control system accidentally disabled•Pilots over relied on automation; did not keep track of speed or altitude•3 people killed(Descent, 2014)