The Federal Aviation Administration has said 5G networks could disrupt aircraft operations. The main concern is that cellular towers and antennas near airports could interfere with radio altimeters , which are electronic devices in aircraft that help pilots gauge their altitude above the terrain.
Read moreDoes 5G interfere with radio altimeter?
There is a major risk that 5G telecommunications systems in the 3.7–3.98 GHz band will cause harmful interference to radar altimeters on all types of civil aircraft—including commercial transport airplanes; business, regional, and general aviation airplanes; and both transport and general aviation helicopters.
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