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Maybe I'm missing something obvious but why just Boeing? Does Airbus use a different band and if so, why doesn't Boeing switch to solve the problem?
by United857 5y ago
Maybe I'm missing something obvious but why just Boeing? Does Airbus use a different band and if so, why doesn't Boeing switch to solve the problem?
- ummonk 5y agoBoeing’s receivers are picking up radio signals well outside the band allocated to radio altimeters - they got away with this until now because the nearby bands were unused.
- reincarnate0x14 5y agoFrom my understanding, Boeing's radars will receive a much wider band than Airbus', combined with most other countries allocating 5G spectrum further away from the expected radar frequencies. They could switch but it would involve massive effort and possible recertification of the airframes.
- p_l 5y agoBoeing and Airbus (and others) buy radar altimeters from the same vendors. It just happens that Boeing finished checking out a bunch of configurations that they have sold in the past against interference from 5G under FCC allocation (AFAIK they previously checked against setups allowed in other countries), and published results. Airbus and others are also performing extra tests now.
- p_l 5y agoBad reporting, simply. This issue hits ALL PLANES that use standard frequency radar altimeters. Including Airbus, Bombardier, Cessna, Learjet, Dassault, etc. What happened is that aside from trying to put limits on transmission characteristics for C-band near airports, there is a concerted action to verify how the many different models of radar altimeters interact with 5G interference. This is a report on configurations sold by Boeing, from Boeing, as they went over all configurations they've sold of specific types.