Communications issue blamed for flight delays at airports in Melbourne, Adelaide and Perth

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Normal operations will resume on Wednesday after a major technical issue delayed flights at several Australian airports. A hiccup with communication systems at the Melbourne Air Traffic Service Centre forced delays at airports in Melbourne, Adelaide and Perth from 5pm AEDT on Tuesday. [{ "selector": ".skidi-a", "duration": "500ms", "fill": "forwards", "delay": "0ms", "keyframes": [ {"offset": 0, "transform": "translateX(calc(360px - 30px))", "opacity": "1", "visibility" :"visible"}, {"offset": 1, "transform": "translateX(0)", "opacity": "1", "visibility" :"visible"} ] }]