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Office of Aviation Safety
Bali Hai Helicopter Tours Bell 206B, Kalaheo, HawaiiBali Hai Helicopter Tours Bell 206B, Kalaheo, Hawaii
Human PerformanceWilliam J. Bramble, Jr., Ph.D.
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Local Weather ChallengesLocal Weather Challenges
• Unusually challenging local climate• Weather briefings of limited use• Local flying experience important
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Pilot ExperiencePilot Experience
• Experienced helicopter pilot• Less than 2 months flying on Kauai• Company training focused on
helicopter, tour routes, and SFAR 71• No formal company weather training
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Need for TrainingNeed for Training
• Pilot’s decision indicates poor assessment
• No FAA guidance to help companies train pilots to better utilize local cues
• Human factors research indicates such training can improve in-flight decisions
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Pilot-Scheduling PracticesPilot-Scheduling Practices
• Pilots often at controls 8 hours• No restroom facilities• No scheduled rest
breaks• No scheduled
lunch break
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Pilot’s SchedulePilot’s Schedule
• 8.7 hours on duty• 7.7 hours sustained operations• Mix of low-level and higher altitude
flight• Deteriorating weather• Witness reports
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Impact of Pilot’s ScheduleImpact of Pilot’s Schedule
• Increased risk of dehydration• Increased risk of physiological
distractions• Increased risk of fatigue• Adverse impact on decision-making
and performance
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