The Greek Civil Aviation Authority said the problem was reported by pilots over a mountain range in north-western Greece, where radio and television stations have illegally fixed antennae about 49ft from an air traffic control relay.

• 希腊民航当局说这个问题是一名在希腊西北山区飞行的飞行员报告的；那个地方无线电台和电视台的固定天线距空中交通管制中继台只有49英尺.