May 18, 2022 7:41 pm

American Airlines had to reschedule two flights from Argentina to the United States due to the dispute over 5G

The airline American Airlines had to reschedule last Tuesday two flights bound for the United States in the middle of the dispute over the deployment of 5G cellular technologies near US airports.

The affected flights were AA900, which connects Ezeiza with Miami, that it was supposed to leave on Tuesday at 10:05 p.m. and was rescheduled and left yesterday at 9:11 p.m.; and the AA954, which connects Ezeiza with New York and It was supposed to leave Tuesday at 10:25 p.m., but it left yesterday at 10:24 p.m.

According to the company, mobile phone operators AT&T and Verizon have agreed to delay the deployment of 5G antennas near certain airports to help mitigate the significant operational impact of all airlines at US airports.

In this sense, the company received alternative methods of compliance to be able to fly its Boeing 737, 777 and 787 aircraft, which implied that they would be able to operate these flights normally in most airports as they are implemented.

To travel from Argentina to the United States, American uses the models Boeing 777 and 787.

Meanwhile, consulted by THE NATION, Aerolineas Argentinas sources said they did not have to reschedule any flights to the United States, because the statement from the Federal Aviation Administration (FAA) only mentioned certain aircraft models that the flag carrier does not operate.

The FAA fears that the 5G C band could interfere with the radio altimeters. These instruments, which measure how high an aircraft is, are a crucial piece of equipment for flying, especially at night or in bad weather.

The FAA will allow aircraft with reliable and accurate altimeters to operate around powerful 5G towers. But aircraft with older altimeters will not be able to land in poor visibility conditions.

Part of the problem, according to the FAA, is the signal strength of 5G towers. “Base stations in rural areas of the United States are authorized to emit at higher levels compared to other countries, which may affect the accuracy and reliability of radio altimeter equipment,” the agency said in December.

The president of the Federal Communications Commission (FCC) of the United States, Jessica Rosenworcel, said in a statement that the deployment of 5G “can safely coexist with aviation technologies in the United States, as it does in other countries around the world.” . But he added that “it is essential that the FAA complete this process carefully and quickly.”

AT&T and Verizon last year spent tens of billions of dollars on C-band spectrum in a government auction organized by the FCC.

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