Most passenger planes cleared by FAA to land at Sea-Tac with 5G signals limited to buffer zones

Airlines voiced concerns this week over new 5G frequencies have been activated by cell phone companies, which they fear could interfere with landing airplanes. On Wednesday, the Federal Aviation Administration cleared most large passenger aircraft to land at Seattle-Tacoma Airport, which was among the airports where there were concerns over 5G signals.

Major US airlines warn of flight disruptions Wednesday as new 5G service starts

The new C-Band 5G frequencies that have gone active are close to the frequencies used by the radio altimeters on planes. These altimeters use data from the ground to determine a plane’s altitude on landing.

Initially, the FAA and the major airlines were worried

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