U.S. FAA Issues Safety Alert on 5G Interference to Aircraft (3)

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

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.

While FAA took pains to say it is working with the Federal Communications Commission and other agencies to allow the new technology to safely coexist with aviation, the safety alert creates ...