Document Type

Article

Publication Date

2007

City

Dayton

Abstract

The effects of 34 hr of continuous wakefulness on flight performance, instrument scanning, subjective fatigue and EEG activity were measured. Ten fixed-wing pilots flew a series of 10 simulator profiles, and root-mean-square error was calculated for various flight parameters. Ocular scanning patterns were obtained by means of infrared tracking. The results showed that flying errors peaked after about 24-28 hr of continuous wakefulness, in line with peaks in subjective- and EEG-measured fatigue. Instrument scanning was very consistent across pilots but was mostly unaffected by the sleep deprivation.


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