A fault in radio communications caused air traffic control centers in Greece to temporarily halt aircraft arrivals and departures, leading to widespread delays and stranded travelers across Europe. The malfunction impacted multiple airports within the region, disrupting scheduled flights and requiring coordination among aviation authorities to restore normal operations. The outage highlights the reliance on reliable communication systems for aviation safety and operational efficiency. Authorities are investigating the cause of the fault, which affected the communication links vital for real-time aircraft management. In response, air traffic control services are implementing contingency procedures while working to fully restore all communication channels to prevent further disruptions. Airlines and passengers are advised to check with their service providers for updated flight information and to anticipate potential delays resulting from this incident. Ongoing assessments aim to enhance the resilience of communication infrastructure to mitigate similar issues in the future.