It also does not apply to airports where 5G isn’t deployed," the agency said in its latest statement on the ongoing 5G C-band rollout. "The AD does not apply to landings at airports where the FAA determined the aircraft altimeters are safe and reliable in the 5G C-band environment. Other systems that could be impacted include the auto throttle, ground proximity warning, thrust reversers and Traffic Collision Avoidance System. Radio altimeter data featured on the Boeing aircraft models identified in the directive are vulnerable to interference that may affect "pitch control laws, that provide tail strike protection regardless of the visibility conditions or approach type being used at airports in regions where 5G C-band stations have been deployed," according to the directive. 25 requiring airplane flight manual (AFM) changes for Boeing 747-8, 747-8F and 777 after determining that the radio altimeters featured on these aircraft models "cannot be relied upon to perform their intended function if they experience interference from wireless broadband operations in the 3.7-3.98 GHz frequency band (5G C-Band)." The Federal Aviation Administration (FAA) issued a new airworthiness directive (AD) on Jan. Pictured here is the 747-8F aircraft that Boeing used to complete certification testing for the model in 2011. 25, requires airplane flight manual changes for all Boeing 777, 747-8 and 747-8F aircraft. A new airworthiness directive published by the FAA on Tuesday, Jan.
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