Identifying flight fatigue factors: An econometric modeling approach

Identifying flight fatigue factors: An econometric modeling approach

Journal: Air Transport Management

Author: Jin-Ru Yen
, Chiung-Chi Hsu, Hero Ho, Fong-Fu Lin, Shih-Hsiang Yu

Published: 2005

Abstract

The paper looks at responses of crew members of six Taiwan air carriers who were asked to report their levels of fatigue before
takeoff and after landing. Ordinal probit models are employed to estimate three fatigue models for different flight operations and
serve as vehicles to investigate flight fatigue factors and identify their relative significance. The top three factors for long haul flights
are found to be sleep quality at home, sleep quality on aircraft and ‘‘nod-off ‘‘experiences; for regional flights, age, extra non-flying
tasks on the ground, and experiences of fatigue during flight operations are important; and for domestic flights poor cockpit
environment, age, and experiences of fatigue during flight operations are relevant.

Keywords: Flight fatigue; Ordinal probit model; Circadian disruption; Human error

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