How software glitches this summer grounded aircraft
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Software issue at United Airlines caused temporary system slowdown and flight delays before being fixed
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UK air traffic control outage in August caused by rare duplicate waypoint names in flight plan
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Failure caused air traffic control systems to shut down and require manual intervention, causing chaos
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Pilots and passengers faced canceled and delayed flights during both airline and air traffic control outages
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Aviation authorities investigating causes of software issues and outages to prevent recurrences