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Athens, January 4 - A significant technical malfunction in Greece's air traffic control system triggered widespread disruptions across the nation's aviation network, halting flights nationwide due to a sudden collapse in radio communication frequencies. The issue originated in the central radio systems of the Athens and Macedonia Area Control Centers, managed by the Hellenic Civil Aviation Authority, rendering controllers unable to maintain essential voice contact with aircraft in Greek airspace. As a precautionary measure to prioritize flight safety, authorities promptly suspended all departures and arrivals at airports, including Athens International Airport and regional hubs, while airborne planes were guided to safe landings using alternative procedures. This Greece air traffic control failure stranded thousands of passengers during a peak post-holiday travel period, with numerous inbound international flights diverted to neighboring countries.
The disruption, which began early in the morning, affected dozens of flights at major facilities like Athens Eleftherios Venizelos Airport and Thessaloniki's Macedonia Airport, leading to extensive delays and cancellations for carriers such as Aegean Airlines and international operators. Greek airspace, encompassing the vast Athens Flight Information Region over the Aegean Sea and key European routes, saw a sharp reduction in capacity, highlighting the critical role of reliable radio frequencies in modern air traffic management. Officials from the Civil Aviation Authority collaborated with technical experts to diagnose the problem, initially suspected to involve a circuit malfunction, though the exact cause remained under investigation as restoration efforts intensified throughout the day.
By afternoon, partial recovery was achieved through the activation of backup communication channels, allowing some Greek flights to resume operations gradually under reduced capacity. Athens airport authorities confirmed the progressive release of departures and arrivals in coordination with air traffic control, with hourly flight slots increasing as systems stabilized. While full normalization was anticipated in the coming hours, the incident underscored vulnerabilities in aviation infrastructure amid ongoing demands for seamless Greece flight operations and reliable air travel to popular destinations.
Passengers affected by the Greece ATC radio failure were advised to monitor updates from airlines and airports, as residual delays persisted into the evening. This event served as a reminder of the complexities involved in maintaining robust air traffic control systems, ensuring safe and efficient management of one of Europe's busiest airspace regions.

