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5G Expansion in Limbo Due to FAA Safety Concerns

Experts disagree on whether it’s cause for concern

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  • The FAA has issued guidelines that AT&T and Verizon’s 5G services may interfere with in-flight radio altimeters.
  • The airline industry argues that deviations will result in significant monetary losses in delays and deviations.
  • The telecommunications industry believes the FAA’s concerns are unfounded.

Nanostockk/Getty Images

If the Federal Aviation Administration (FAA) succeeds, you won’t be able to use AT&T and Verizon’s 5G services as planned, starting January 2022.

The FAA was the first to ask about the launch delay, arguing that 5G C-band antennas could interfere with key airline equipment. He then went ahead and issued some airworthiness directives (AD) ordering airlines to divert flights under certain conditions, which industry experts said could cost billions of dollars.

“If DA applied to the operations of Airlines for America members with a delay in 2019, approximately 345,000 passenger flights, 32 million passenger and 5,400 cargo flights would have been affected in the form of delayed flights, diversions or cancellations.” The Impact Analysis of the FAA 5G Airworthiness Directive for the Americas by Airlines was shared with Lifewire.

holding pattern

In November 2021, AT&T and Verizon agreed to delay the commercial launch of its C-band 5G wireless service to January 5, 2022, after the FAA raised security concerns over its potential impact on critical airline equipment.

As the new launch date approaches, the FAA has issued ADs seeking revision of flight guidelines to prohibit certain flight operations that rely on the use of radio altimeters in the presence of C-band wireless broadband signals.

“Despite the lack of credible evidence of a risk to aviation security, US wireless service providers have voluntarily implemented the most comprehensive set of temporary protections in the world.”

Carter Yang, general manager of industry communications for airlines for America, told Lifewire that the FAA ADs identified safety concerns that would be “highly disruptive” to the national airspace system and the public.

ADs essentially ask airlines not to rely on radio altimeters when approaching an airport near the 5G C-band antenna and instead be diverted to another airport. Airlines for America believes it is the telecommunications companies’ responsibility to resolve the impasse.

“Failure for 5G telecommunications companies to drastically mitigate interference issues will disrupt and significantly harm the economy at a time when supply chains are already strained,” says Airlines for America Impact Analysis.

false flag

Michael Marcus, an assistant professor of electrical and computer engineering at Northeastern University and an independent expert on wireless technology and spectrum policy, told Lifewire in an email that some radar altimeters are indeed sensitive to 5G in the near bands. Still, he was unaffected by the FAA’s response.

“Since [the] “The FAA has allowed this problem to get worse, but they’ve only recently started collecting data on which patterns and how common they are.”

As the former Vice President of Engineering and Technology at the Federal Communications Commission (FCC), Marcus has witnessed similar situations in the past.

Describing adjacent band problems as “relatively common,” Marcus pointed to a thirty-year engagement between using FM broadcasting just below 108 MHz and using an aircraft’s Instrument Landing System (ILS) just above that frequency.

“The big question is whether cell phone operators will bear the brunt of solving this situation, or are the owners of certain radar altimeter models on board aircraft that do not meet reasonable interference immunity standards?” Marcus said. said.

half term

Meanwhile, Airlines for America’s Yang said the group continues to encourage the FCC and FAA to work together on a practical solution that would allow the deployment of 5G C-band technology while “prioritizing safety and avoiding any disruption to the security system.” “.

A similar view was shared by Meredith Attwell Baker, President and CEO of CTIA, a trade association representing the US wireless industry and a former member of the FCC. Baker told Lifewire that it is possible to have safe flights and a solid and reliable 5G service.

Communication towers against the backdrop of the sunset.

Anton Petrus / Getty Images

“Despite the lack of credible evidence of a risk to aviation security, US wireless service providers have voluntarily implemented the most comprehensive set of temporary protections in the world. We work closely with the aviation industry and in January have deployed 5G securely in band C to nearly 40 countries. We are on our way to joining.”

Things are currently in limbo, and it’s unclear whether 5G C-band services will be available from January 5, 2022, or whether the launch will be delayed further as the two federal bodies battle for supremacy.


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5G Expansion in Limbo Due to FAA Safety Concerns

Experts disagree whether there is cause for concern

Key Takeaways
The FAA has issued directives concerned that 5G services from AT&T and Verizon could interfere with radio altimeters in aircraft.
The diversions will cause significant monetary losses in delays and diversions, suggests the airline industry.
The telecom industry believes the FAA’s concerns are unfounded.
Nanostockk / Getty Images

If the Federal Aviation Administration (FAA) has its way, you won’t be able to use 5G services from AT&T and Verizon from January 2022, as planned. 

Calling for the rollout delay, the FAA first argued that 5G C-band antennas could interfere with crucial airline equipment. It then went ahead and issued a couple of airworthiness directives (AD) ordering airlines to divert flights under certain conditions, which industry insiders say could cost billions of dollars.

“If the AD were applied in arrears to Airlines for America members’ 2019 operations, approximately 345,000 passenger flights, 32 million passengers, and 5,400 cargo flights would have been impacted in the form of delayed flights, diversions, or cancellations,” concludes an Impact Analysis of FAA’s 5G Airworthiness Directive by Airlines for America, shared with Lifewire.

Holding Pattern

In November 2021, AT&T and Verizon agreed to delay the commercial launch of the C-band 5G wireless service until January 5, 2022, after the FAA raised safety concerns about its potential impact on critical airline equipment.

As the new date of the rollout approaches, the FAA issued the ADs calling for the revision of flight manuals to prohibit some flight operations that depend on using radio altimeters when in the presence of 5G C-band wireless broadband signals.

“Despite no credible evidence of a risk to aviation safety, US wireless providers have voluntarily put in place the world’s most comprehensive set of temporary protections.”

In a statement to Lifewire, Carter Yang, Managing Director, Industry Communications for Airlines for America, said the ADs from the FAA identify safety concerns that will be “highly disruptive” to the national airspace system and the public.

The ADs essentially ask airlines not to rely on radio altimeters when approaching an airport near a 5G C-band antenna and instead divert to another airport. Airlines for America believes the onus for resolving the impasse lies with the telecom companies.

“The lack of serious mitigations on the part of 5G telecom companies to address interference issues will significantly disrupt and harm the economy at a time when supply chains are already stretched thin,” reads the Airlines for America Impact Analysis.

False Flag

Michael Marcus, an adjunct professor of electrical and computer engineering at Northeastern University and an independent expert on wireless technology and spectrum policy, told Lifewire in an email that certain radar altimeters are indeed susceptible to 5G in nearby bands. Still, he isn’t impressed by the FAA’s response.

“Since [the] FAA let this problem fester, they only recently started collecting data on which models and how common they are,” he said.

As a former Associate Chief of the Federal Communication Commission (FCC) ‘s Office of Engineering and Technology, Marcus has witnessed situations like these in the past. 

Calling the adjacent band issues “relatively common,” Marcus pointed to a three-decade-old concern between the use of FM broadcasting just below 108 MHz and an airplane’s Instrument Landing System (ILS) just above that frequency.

“The real issue is whether cellular carriers will have the major burden in solving this situation, or the owners of certain models of radar altimeters in aircraft that do not meet reasonable interference immunity standards,” said Marcus.

Middle Ground

Meanwhile, Airlines for America’s Yang said that the group continues to urge the FCC and FAA to work together on a practical solution that will enable the rollout of 5G C-band technology “while prioritizing safety and avoiding any disruption to the aviation system.”

A similar view was shared by Meredith Attwell Baker, President and CEO of CTIA, a trade association representing the wireless communications industry in the US, and a former member of the FCC. In a statement issued to Lifewire, Baker said that it was possible to have both safe flights and robust and reliable 5G service.

Anton Petrus / Getty Images

“Despite no credible evidence of a risk to aviation safety, US wireless providers have voluntarily put in place the world’s most comprehensive set of temporary protections. We are working closely with the aviation industry and are on track to join the nearly 40 countries safely using 5G in the C-Band in January,” assured Baker.

Things are in limbo now, and it isn’t clear whether the 5G C-band services will be available starting January 5, 2022, or if the rollout will be delayed further as the two federal bodies jostle for one-upmanship.

#Expansion #Limbo #Due #FAA #Safety #Concerns


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