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5G and Aviation Safety: What you need to know

Updated: Jan 28, 2022

Fort Lauderdale/Press/January 21, 2022 ( airlines have asked that AT&T, T-Mobile and Verizon not used Band 5G network. Cell towers near the busiest airports, could cause radio signal disruption with aircraft systems.


The FAA is working on measures to ensure that radio signals from newly activated wireless telecommunications systems can coexist safely with flight operations in the United States, with input from the aviation sector and telecommunications industry.

THE SAFETY ISSUE (Radar Altimeters)

Frequencies in a radio spectrum called the C-band, can be close to those used by radar altimeters. Radio altimeters provide highly accurate information about an aircraft’s height above the ground. Data from these radio altimeters informs other safety equipment on the plane, including navigation instruments, terrain awareness, and collision-avoidance systems.

To make sure that this does not lead to disruptions, the FAA requires that radar altimeters are accurate and reliable.

The 5G release involves a new combination of power levels, frequencies, proximity to flight operations, the FAA will need to impose restrictions on flight operations using certain types of radar altimeter equipment close to 5G cell tower networks.


AT&T, T-Mobile and Verizon spent billions last year, to secure repurposed C-Band spectrum in the Federal Communication Commission auction. The carriers have agreed to delay the network deployments as they negotiated with the Federal Aviation Administration. They would deploy their 5G service but delayed turning on some 5G towers near airport runways.

About AvSea, Corp.

AvSea, Corp. is an education development company. We encourage and support continuing education to create high-quality workforce training that are accessible to the community.

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