Monitoring and Managing Cabin Crew Sleep and Fatigue During an Ultra-Long Range Trip

Of the 134 cabin crew approached, 41% provided data suitable for analysis during an ultra-long range trip.

• Sleep averaged 7.0 hours in the 24 hours before departure, with 40% of crew taking a preflight nap.
• During the flight, crewmembers recorded an average sleep time of 3.6 hours outbound and 2.9 hours inbound.
• Fatigue and sleepiness levels were lower, and performance was better on the longer outbound flight compared to the inbound flight.
• Post-trip, crewmembers slept more on day 1 (average 7.9 hours) compared to baseline days, but sleep duration did not change from day 2 onwards.
• Data collection methods used for flight crew may be applicable to cabin crew under a fatigue risk management system.

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