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Home5G knowledgeIs there any impact of 5G on Aviation Altimeters ?

Is there any impact of 5G on Aviation Altimeters ?

The global media reacted to concerns from the aviation industry, in late 2021 to early 2022, that aircraft altimeters authorised to use the 4.2-4.4 GHz band would be impacted by 5G operating in the 3.5 GHz range.

So far, there have been no instances of interference between 5G and aviation. This 3.5 GHz range has been under consideration and development for mobile over the past 15 years and has been constantly studied at the ITU and by national governments during this period.

Below some quotes confirming this result :

1- “Conversations with other NAAs has established that there have been no confirmed instances where 5G interference has resulted in aircraft system malfunction or unexpected behaviour.”
CAA UK, 17 January 2022

2- “Based on our assessment of all the information that is currently available to us, we consider that there is no immediate need for risk mitigation actions nor for States to act.”
European Aviation Safety Agency, December 2020
“Results showed no abnormalities on the Radio Altimeters during the test.”
Nkom Norway, August 2021

3-“The emission of 5G NR base station had no impact on the operational behaviour of the radio altimeter fitted on the French gendarmerie’s EC135 helicopters, which gives us a good level of confidence in the resilience of this type of radio altimeter to conduct its missions.”
ANFR France, September 2021

4- “Many countries around the world are already deploying wireless networks in the bands from 2200-4200 MHz. There have not yet been reports of harmful interference due to wireless broadband operations internationally.”
FAA US, 23 December 2021

5- “There has been no concrete influence on the instruments so far.”
BNetzA Germany, January 2021

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