WASHINGTON—The Federal Aviation Administration (FAA) said Monday it is proposing a requirement that passenger and cargo aircraft in the United States have 5G C-Band-tolerant radio altimeters or install approved filters by early 2024.
Concerns that 5G service could interfere with airplane altimeters, which give data on a plane’s height above the ground and are crucial for bad-weather landing, led to disruptions at some U.S. airports earlier this year.