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翻訳と辞書　辞書検索 [ 開発暫定版 ] スポンサード リンク Pilot fatigue ： ウィキペディア英語版 Pilot fatigue The International Civil Aviation Organization (ICAO) defines fatigue as "A physiological state of reduced mental or physical performance capability resulting from sleep loss or extended wakefulness, circadian phase, or workload." The phenomenon places great risk on the crew and passengers of an airplane because it significantly increases the chance of pilot error. Fatigue is particularly prevalent among pilots because of "unpredictable work hours, long duty periods, circadian disruption, and insufficient sleep". Often, these factors occur together to produce a combination of sleep deprivation, circadian rhythm effects, and 'time-on task' fatigue. Regulators attempt to mitigate fatigue by limiting the amount of hours pilots are allowed to fly over varying periods of time. Experts in aviation fatigue often find that these methods fall short on their goals. == Effect on flight safety == Fatigue has a significant impact on a pilot's ability to safely operate an airplane. It has been estimated that 4-7% of civil aviation incidents and accidents can be attributed to fatigued pilots. Accidents involving fatigue have been responsible for the death of hundreds of passengers. Symptoms associated with fatigue include slower reaction times, difficulty concentrating on tasks resulting in procedural mistakes, lapses in attention, inability to anticipate events, higher toleration for risk, forgetfulness, and reduced decision-making ability.〔 The magnitude of these effects are correlated to the circadian rhythm and length of time awake. Performance is effected the most when there is a combination of extended wakefulness and circadian influences. 抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』 ■ウィキペディアで「Pilot fatigue」の詳細全文を読む スポンサード リンク 翻訳と辞書 : 翻訳のためのインターネットリソース Copyright(C) kotoba.ne.jp 1997-2016. All Rights Reserved.