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Jan 24, 2022 · The frequencies used by the 5G C-band are adjacent to those used by some radar altimeters, a piece of essential safety equipment used throughout a flight and during landing procedures. This means that when a plane flies near a 5G tower, like when coming in for a landing, it could interfere with its radar altimeter, creating the potential for a ...
- Sherri Gardner
Jan 19, 2022 · – Jan 18, 2022. Canadian officials and airline leaders are weighing the potential impacts of 5G technology on “critical” aircraft technology amid warnings from American air industry heads...
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What is the potential for interference between 5G radiofrequencies and the operation of aircraft radio altimeters? Learn how 5G interacts with aviation services.
- Background/Current Status
- Flight Safety Concerns
- Radio Altimeter Flight Restrictions
- Guidance and Limitations by Aircraft Manufacturers
- Alternate Methods of Compliance
- Additional Alpa Recommendations
- Report Radar Altimeter Anomalies
- Canadian Operations
United States In early 2021, the Federal Communications Commission (FCC) awarded the mobile wireless industry radio spectrum to operate 5G transmissions in the “C-Band,” or 3.7-3.98 GHz, adjacent to the spectrum used by radar altimeters. This approval was made despite the aviation industry informing the FCC since 2018 of the need to ensure that rad...
Radar altimeter interference from 5G signals can take the form of loss of radar altitude information or, worse, incorrect radar altitude information unknowingly being generated. There have been fatal accidents associated with incorrect radar altitude, most recently Turkish Airlines Flight 1951 in Amsterdam in 2009. Altitude information derived from...
Through June 30, 2023, when flying in U.S. airspace, the following operations requiring radio altimeters are prohibited in the presence of 5G C-Band wireless broadband interference as identified by NOTAM (NOTAMs will be issued to state the specific airports where the radio altimeter is unreliable due to the presence of 5G C-Band wireless broadband ...
In addition to the blanket AD, aircraft manufacturers have published guidance, and FAA has issued additional ADs against specific aircraft models. These restrictions will continue to be required for aircraft not meeting Group 4 performanceafter June 30, 2023, and will apply everywhere in the CONUS after that date. 1. Airbus has issued Flight Operat...
From January 19, 2022, to June 30, 2023, the FAA has issued Alternate Methods of Compliance (AMOCs), which lists airports and runways where particular combinations of aircraft and radar altimeters could safety disregard the 5G NOTAMs and ADs. However, these AMOC lists will be rendered obsolete after June 30, 2023. After this date, all aircraft will...
It is critical for pilots to be aware of and comply with any restrictions imposed via AD, AFM, and NOTAMs by the FAA and airline. The flight manual restrictions from the airworthiness directive coupled with NOTAMs that inform of the presence of 5G (C-Band) or restrictions of specific instrument procedures are important triggers, with which pilots m...
If a radar altimeter anomaly is seen in operations: 1. Report issues immediately to ATC. 2. Report any issues or experiences via ASAP/SMS after the flight is complete. 3. Also, after flight completion, submit a radar altimeter anomaly report:
Canadian Aviation Regulation 605.84 already requires U.S.-type-certificated aircraft registered in Canada to comply with U.S. ADs when operating in the United States. Transport Canada has issued the updated Canadian Airworthiness Directive CF-2023-46 extending this requirement to all Canadian-registered aircraft that fly in the United States, and C...
Mar 21, 2024 · The Canadian restrictions propose exclusion zones around airport runways where no 5G base stations are permitted plus protection zones where 5G services face restrictions.
Nov 13, 2020 · In mid-2021, the government will auction a prime chunk of fresh, clear airwaves around 3.5GHz for 5G. Until then, Canada's carriers have to work with the airwaves they have now.
Jan 19, 2022 · Why is 5G such an issue for aviation? It’s not 5G, but the spectrum it’s being used on. Neubauer says 5G in the U.S. can be deployed at different frequency band: 700MHz, 850MHz, 1.9GHz, 2.5GHz ...
