FAA issues safety alert on 5G interference to aircraft

U.S. aviation regulators are warning airlines and other aviators that a new band of 5G mobile phone service might interfere with key safety devices on aircraft.

Canada recently imposed restrictions on locating new 5G cell towers near the runways of large airports. Australia, France and other nations have taken steps to limit the chances of aircraft interference. Foto: AP/Eric Risberg

The Federal Aviation Administration on Tuesday issued a Special Airworthiness Information Bulletin warning that "action might be required to address potential interference with sensitive aircraft electronics."

The 5G spectrum abuts radio signals used by so-called radar altimeters, which measure how close an aircraft is to the ground...

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