Flight crew fatigue study for eastward and westward international flights

doi:10.16265/j.cnki.issn1003-3033.2023.05.1628

Abstract

Abstract:

In order to reduce fatigue for international flight crews and establish the Fatigue Risk Management System (FRMS), multi-modal individual alertness and fatigue evaluation were used to study the fatigue level of international flight crews. The sleep conditions of international flight crews in the east-west direction were collected by sleep monition bracelets. The Karolinska Sleepiness Scale (KSS), Samn-Perelli Fatigue Scale (SP) and Continuous Performance Test (CPT) were used to measure crew alertness in different flight phases. Also, the consistency of the biomathematical fatigue prediction model System for Aircrew Fatigue Evaluation (SAFE) and the actual operating results were compared and verified. The study shows that the subjective fatigue of the crews flying from west to east is higher than that of the crews flying from east to west, and their sleep duration is shorter and more fragmented. The alertness of the crew decreases after the take-off mission, and the SAFE fatigue prediction results have a significant correlation with data from China's operating environment.

Key words: east-west flight direction, international flights, flight crew, flight direction, fatigue prediction system, alertness

LI Jingqiang, ZHOU Yanru, ZHANG Xining, FAN Tianchen, LIU Annan. Flight crew fatigue study for eastward and westward international flights[J]. China Safety Science Journal, 2023, 33(5): 206-212.

Figures/Tables 5

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状态		TST/min	SE/%	WASO/min	SFI/%
飞行任务前	欧洲	392.5±79.3	90.6±4.9	36.7±16.8	16.2±9.3
飞行任务前	北美洲	439.8±72.3	92.6±5.2	30.8±22.3	16.9±11.9
飞行任务中	欧洲西飞出港	147.3±11.2^*	89.9±1.2	16.7±3.2	18.7±2.3
	欧洲东飞进港	120.0±6.6^**	82.8±1.6	25.0±4.2	34.7±16.2^**
	北美洲东飞出港	153.5±27.6^*	86.0±1.6	14.5±9.1^*	31.3±6.6^*
	北美洲西飞进港	152.4±30.1^*	88.3±4.5	20.0±7.8	18.4±10.6
国外过站	欧洲	370.7±149.3	91.0±4.9	30.4±26.9	25.1±11.9
国外过站	北美洲	380.5±123.2	90.8±5.0	34.0±12.9	23.5±15.2
飞行任务后	欧洲	388.3±138.9	91.2±5.6	32.4±14.4	21.1±14.2
飞行任务后	北美洲	363.3±149.2	93.2±3.4	26.6±18.1	19.9±7.9