Simple Flying - Gaurav Joshi

The Boeing 747-8, 747-8F, and 777 airplanes are not yet out of the woods in the 5G interference issue at some US airports. The latest directive by the Federal Aviation Administration (FAA) raises questions about the safe functioning of critical instruments of these airplane types at affected US airports and suggests changes in the airplane flight manual (AFM).

In a new airworthiness directive (AD), the FAA has asked for changes in the AFMs of Boeing 747-8, 747-8F, and 777. The AD was prompted after determining that the radio altimeters of these aircraft types can be compromised and not perform accurately if they experience interference from wireless broadband operations in the 3.7-3.98 GHz frequency band.

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