By Brian Fung
Updated 1:00 PM ET, Wed December 8, 2021

(CNN Business)The Federal Aviation Administration announced a new rule on Tuesday that forbids pilots from using auto-landing and other certain flight systems at low altitudes where 5G wireless signals could interfere with onboard instruments that measure a plane's distance to the ground.

The rule, which affects more than 6,800 US airplanes and dozens of aircraft manufacturers, could lead to disruptions in some flight routes involving low-visibility conditions where pilots typically must rely on equipment known as radio altimeters to land safely, the FAA said.

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