Several media outlets, including AVweb and the Wall Street Journal, are reporting that the FAA will soon release updated guidance aimed at maintaining the safety of the US National Airspace System by mitigating the negative effects of 5G wireless communications on radar altimeter performance.

HAI is monitoring the situation closely. Updated information, including any regulatory guidance on the issue released by the FAA, can be found on

The new 5G wireless standard is expected to be deployed in the United States on Dec. 5, 2021. An independent study by RTCA documented that 5G networks operating in the C band will pose a major risk for interference with radar altimeters on all types of civil aircraft.

HAI’s Government Affairs and Member Services staff have been monitoring the effects of the rollout of 5G wireless communications on aviation operational safety since 2017. You can find more information about 5G interference at:

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