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Fatigue is a major safety concern in many fields, but especially in transportation, because fatigue can result in disastrous accidents. Fatigue is considered an internal precondition for unsafe acts because it negatively affects the human operator's internal state. Research has generally focused on pilots, truck drivers, and shift workers.
AIA Flight 808 was the first aviation accident where pilot fatigue was cited as a probable cause. [4] The NTSB issued a recommendation to the Federal Aviation Administration to review and update regulations on crew scheduling and duty time limits to incorporate the latest research into the effects of fatigue. [1]
The aircraft experienced a loss of control due to a malfunction of the left engine propeller control unit, which was attributed to a design flaw. March 3, 1991 25 1 0 United Airlines Flight 585: Colorado Springs: Colorado: Boeing 737-200: The aircraft experienced a loss of control during approach due to a rudder hardover caused by a design flaw.
The list of aircraft accidents and incidents caused by structural failures summarizes notable accidents and incidents such as the 1933 United Airlines Chesterton Crash due to a bombing and a 1964 B-52 test that landed after the vertical stabilizer broke off. Loss of structural integrity during flight can be caused by:
Implementation of fatigue prediction models, such as the Sleep, Activity, Fatigue, and Task Effectiveness model, optimize scheduling by being able to predict pilot fatigue at any point in time. Although the mathematical model is limited by individual pilot differences it is the most accurate existing prediction because it takes into account ...
The US Code of Federal Regulations defines an accident as "an occurrence associated with the operation of an aircraft, which takes place between the time any person boards the aircraft with the intention of flight and all such persons have disembarked, and in which any person suffers death or serious injury, or in which the aircraft receives substantial damage;" an incident as "an occurrence ...
The report concluded that "the probable causes of the accident were the flight crew's mismanagement of the aircraft's speed, altitude, headings, and attitude through inconsistent flight control inputs resulting in a loss of control and their failure to abide by CRM (Crew Resource Management) principles of mutual support and calling deviations". [8]
Scientists in the Warfighter Fatigue Countermeasures Branch (WFC, now AFRL/RHPF) and operators used FAST to identify and avoid fatigue in more than 2,000 hours of B-2 Spirit bomber operations from Whiteman AFB [13] and night operations at Shaw AFB, to optimize shift work schedules for security forces at Brooks AFB, to assess the impact of sleep ...