Airworthiness Directives; The Boeing Company Airplanes

The Federal Aviation Administration has issued a new airworthiness directive for Boeing 747-8 and 777-series aircraft. The directive addresses interference between five-G wireless broadband and the planes' radio altimeters when operating in Canadian airspace. The FAA determined that fifth-generation lower C-band frequencies can prevent altimeters from functioning properly, which could affect multiple aircraft systems, including pitch control and tail strike protection. Airlines will need to update airplane flight manuals with restrictions on certain operations when flying in Canadian airspace. The directive ensures aircraft safety as next-generation wireless networks continue to expand.

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