US airlines urge FAA to extend 5G upgrade deadline – ET TravelWorld

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A group representing major US airlines “strongly urged” the Federal Aviation Administration (FAA) to extend a proposed deadline to June 2024 to retrofit airplane altimeters to ensure they are not susceptible to 5G wireless interference.Airlines for America (A4A), which represents American Airlines, Delta Air Lines, United Airlines and others also asked the FAA to revise a proposed 5G safety directive “to reflect technical realities and the continued safe operation of many aircraft.” The group warned a “material number of aircraft” in US fleets will not be modified by July and without changes it could “severely limit operations” and lead to flight delays and cancellations.

Wireless carriers opposed the request. In January, the FAA proposed requiring passenger and cargo aircraft in the United States to have 5G C-Band-tolerant radio altimeters or approved filters by February 2024. The agency reiterated on Friday it will evaluate all comments.

Concerns that 5G service could interfere with airplane altimeters, which give data on a plane’s altitude and are crucial for bad-weather landing, led to disruptions at some US airports last year involving international carriers.


A total of 1,897 flights within, into or out of the United States were canceled, while 750 flights were delayed as of 8.41 a.m. ET, according to flight-tracking website FlightAware. “This week’s winter storm is having an impact on our operations, accounting for a significant number of cancelations,” American Airlines Group Inc said in a statement.

Also Friday, a coalition including Boeing, Airbus Lockheed Martin, Raytheon, pilots unions, and airlines said the directive “does not provide sufficiently robust controls to ensure safety as both aviation operations and wireless services co-evolve” and does not include a realistic cost estimate.

Verizon Communications and AT&T in June voluntarily agreed to delay some C-Band 5G use until July as air carriers work to retrofit airplanes to ensure they will not face interference.

Wireless carries spent more than $80 billion on the C-Band 5G spectrum, including USD 52.9 billion by Verizon in auction and clearing costs. The FCC did not comment.

Wireless trade group CTIA, which represents Verizon and AT&T, said the FAA provided ample time for airlines and should not extend the deadlines.

“By requiring accountability, the FAA is taking important steps to ensure radio altimeter performance is more resilient while enabling timely C-Band 5G deployment,” CTIA said.

The International Air Transport Association (IATA), which represents more than 100 carriers flying to the United States, warned costs would be far higher than the USD 26 million estimated by FAA. IATA said costs could be at least USD 637 million and said many airlines risk missing deadlines.

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