The job of an air traffic controller is stressful and offers ample exposure to fatigue-producing conditions-rotating shifts, long hours and a demanding, heavy workload. Because mistakes can cost people's lives, all stakeholders are working to mitigate fatigue's insidious effects on human performance.rnInvestigators have identified operational drivers of air traffic controller fatigue in several accidents and incidents. NTSB investigators discussed several of those events at the FAA's Fatigue Management Symposium in June 2008.rnThey included the Aug. 19, 2004, runway incursion involving an Asiana Airlines Boeing 747-400 and a Southwest Airlines 737 at Los Angeles International Airport.
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