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WASHINGTON: The U.S. Federal Aviation Administration<\/a> (FAA) said Monday it is proposing a requirement that passenger and cargo aircraft in the United States have 5G<\/a> C-Band-tolerant radio altimeters or install approved filters by early 2024.
Concerns that 5G service could interfere with airplane altimeters, which give data on a plane's height above the ground and are crucial for bad-weather landing, led to disruptions at some U.S. airports earlier this year.
The proposed airworthiness directive, which would take effect in February 2024, is similar to one that took effect in December 2021, prohibiting passenger and cargo flight operations in the vicinity of 5G C-Band wireless transmitters unless the FAA specifically approved them.
The FAA is also proposing a requirement that airlines revise airplane flight manuals to prohibit low-visibility landings after June 30 unless retrofits have been completed on that airplane.
Verizon and AT&T in June voluntarily agreed to delay some C-Band 5G usage until July 2023 as air carriers work to retrofit airplanes to ensure that they will not face interference. The December 2021 FAA directive relied on the voluntary agreement.
Some international<\/a> airlines have privately expressed reluctance to install filters absent a legal requirement from the FAA, officials told Reuters.
Airlines for America, a trade group representing American Airlines<\/a>, Delta Air Lines, United Airlines and others, said \"carriers are working diligently to ensure fleets are equipped with compliant radio altimeters, but global supply chains continue to lag behind current demand. Any government deadline must consider this reality.\"
Wireless group CTIA said \"the FAA's schedule for altimeter updates is reasonable and practical. 5G in the C-band coexists safely with air traffic.\"
FAA acting Administrator Billy Nolen in October sought a delay in some 5G C-Band transmissions from smaller operators over aviation safety concerns.
Nolen said in an Oct. 21 letter the agency wanted the Federal Communications Commission<\/a> (FCC) to mandate the voluntary mitigations AT&T and Verizon had agreed to earlier this year to 19 smaller telecoms and other spectrum holders.
Airline CEOs in January 2022 had warned of an impending \"catastrophic\" aviation crisis that could ground almost all traffic because of the 5G deployment.
A deal struck shortly before a 2022 deadline did not prevent dozens of foreign carriers from canceling international flights to the United States.
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美国联邦航空局提出要求5 g保障在2024年初在飞机上
担心5 g服务可能干扰飞机高度计,这给数据上飞机离地面的高度和至关重要;降落,导致中断今年早些时候在美国的一些机场。
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华盛顿:美国联邦航空管理局(FAA)周一说,提议要求客运和货运飞机在美国5克C-Band-tolerant无线电测高计或安装过滤器在2024年初批准。
担心5 g服务可能干扰飞机高度计,这给数据上飞机离地面的高度和至关重要;降落,导致中断今年早些时候在美国的一些机场。
拟议的适航指令将于2024年2月生效,类似于2021年12月生效,禁止客货航班运营5克附近的c波段无线发射器,除非美国联邦航空局特别批准。
联邦航空局也提出修改要求航空公司飞机飞行手册,禁止在能见度低的着陆后6月30日,除非飞机改造已经完成。
6月Verizon和AT&T自愿同意推迟一些c波段5 g的使用,直到2023年7月在航空公司努力改造飞机,以确保他们不会面临干扰。2021年12月美国联邦航空局指令依赖自愿协议。
一些国际航空公司私下表达了不愿安装过滤器从联邦航空局没有法律规定,官员对路透表示。
航空公司对美国贸易代表美国航空公司达美航空公司,美国联合航空公司和其他人,说:“运营商正在努力确保舰队配备兼容广播高度计,但全球供应链继续落后于当前的需求。任何政府的最后期限必须考虑这一现实。”
CTIA无线集团表示:“美国联邦航空局高度计更新的时间表是合理和实用的。5 g的c波段与空中交通安全共存。”
FAA代理管理员比利诺兰寻求推迟一些10月5 g c波段从小型运营商在航空安全问题。
诺兰说,该机构希望在10月21日信联邦通信委员会(FCC)要求自愿应对AT&T和Verizon已经同意今年早些时候19小电信和其他频谱持有者。
公司首席执行官在2022年1月曾警告说,即将到来的“灾难性”航空危机,地面几乎所有流量,因为5 g的部署。
前不久一个2022年的最后期限所达成的协议并不能阻止数十家外国航空公司取消国际航班到美国。
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