International Federation of Airworthiness. Promoting AirworthinessInternationalImpartial
International Federation of Airworthiness. Promoting AirworthinessInternationalImpartial

RTCA Warns of 5G’s Effect on Radar Altimeters

Home Articles RTCA Warns of 5G’s Effect on Radar Altimeters

The task force was formed in April to address this issue. In December, the FCC plans to auction licenses in the 3.7– to 4.2-GHz frequency band.

By evaluating radar altimeter performance in light of the “expected 5G emissions in the 3.7– to 3.98-GHz band,” the task force was able to test radar altimeters to determine their tolerance to the expected 5G interference signals, according to the report. Other research included a risk assessment of how much this interference might happen and its impact on aviation safety.

According to the task force, “The results presented in this report reveal a major risk that 5G telecommunications systems in the 3.7– to 3.98-GHz band will cause harmful interference to radar altimeters on all types of civil aircraft—including commercial transport airplanes; business, regional, and general aviation airplanes; and both transport and general aviation helicopters.” The problem isn’t limited to the 5G band allocation of  3.7– to 3.98-GHz, however, but also “the spurious emissions from such systems within the protected 4.2– to 4.4-GHz radar altimeter band directly.”

The report further warned of “the possibility of catastrophic failures leading to multiple fatalities, in the absence of appropriate mitigations.”

Link to full RTCA Report

Link to RTCA website and full press release

Leave a Reply

We are using cookies to give you the best experience. You can find out more about which cookies we are using or switch them off in privacy settings.
AcceptPrivacy Settings

  • Cookie Consent
  • GDPR consent

Cookie Consent

We use cookies to help bring you the best viewing experience of our site. By clicking Accept, you agree to us doing so. Please see our full privacy policy here.

GDPR consent

By entering data into any of our contact forms or signing in as a member you agree for IFA to store your credentials for use on the website and marketing.