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Airlines Have Until 2024 To Make 5G Upgrades Under FAA AD

The proposed airworthiness directive would require passenger and cargo aircraft in the U.S. be equipped with 5G C-Band tolerant altimeters by next February.

The FAA has proposed a requirement that passenger and cargo aircraft in the U.S. be equipped with 5G C-Band tolerant altimeters by 2024. [Credit: Adobe Stock]
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Key Takeaways:

  • The FAA is proposing an Airworthiness Directive (AD) to mandate that all U.S. passenger and cargo aircraft be equipped with 5G C-Band tolerant altimeters or radio frequency filters by February 2024.
  • This directive addresses safety concerns arising from 5G C-Band signals interfering with aircraft radio altimeters, which are critical for flight operations, especially in low visibility.
  • Although wireless carriers previously implemented voluntary signal mitigations, over 100 incidents of potential 5G interference have been documented, prompting the FAA to make these aircraft retrofits mandatory.
  • The AD aims to provide a long-term solution that ensures aviation safety while allowing wireless companies to fully utilize their 5G networks.
See a mistake? Contact us.

The FAA is proposing an airworthiness directive (AD) that would require passenger and cargo aircraft in the U.S. be equipped with 5G C-Band tolerant altimeters or appropriate radio frequency filters by February 2024.

According to a statement sent to FLYING, “the proposed AD will continue to allow aviation and the 5G C-Band to safely coexist.”

Meg Godlewski

Meg Godlewski has been an aviation journalist for more than 24 years and a CFI for more than 20 years. If she is not flying or teaching aviation, she is writing about it. Meg is a founding member of the Pilot Proficiency Center at EAA AirVenture and excels at the application of simulation technology to flatten the learning curve. Follow Meg on Twitter @2Lewski.

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