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The Federal Aviation Administration is requiring aircraft to use more resilient radio altimeter systems. These devices measure an airplane’s height above the ground and are used by both pilots and automated safety systems during landing.

Why it matters: This is a technical safety requirement to prevent wireless signals from disrupting an airplane’s ability to know its altitude during flight and landing.

Who it affects

  • Aircraft manufacturers and owners

This is a final rule from the Federal Aviation Administration; readers should consult the official Federal Register document before making compliance decisions.

Agency: Transportation Department, Federal Aviation Administration
Source: Federal Register — read the official document

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