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by seppel
1261 days ago
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Was there ever a missed approach due to a cell phone not being in air plane mode? How was the cell phone located? What would happen if the cell phone was in the luggage in the cargo bay? Sorry, but this sounds all very hypothetical. This this was a real problem there should be other procedures by now. |
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Here's a story of an interference event where they went missed:
https://www.quora.com/On-my-last-flight-before-landing-the-p...
A quick search through the NASA ASRS database shows several reports where the ILS or VOR receiver was behaving erratically, sometimes during descent. In some cases the crew was able to land visually, in others the crew crew had enough time to ask passengers to switch off phones and the problem went away.
See: ACN 695049, 321746, 307150, 277118, 200510, 161347, 364464, 467979
https://asrs.arc.nasa.gov/search/database.html
Most of these are older reports, take that as you will. It's entirely possible LTE doesn't interfere with the ILS/VOR. I honestly don't know.
Note also that this only lists reports made through NASAs reporting system. There are other reporting systems used by commercial operators (i.e. ASAP) that I can't easily query.
If I expand the search to include 5G interference, I get 97 recent results. That's a different issue, but at least worth mentioning to show that interference is still a general concern. I'm not going to list all of those, but you're welcome to query for them at the above link.
> What would happen if the cell phone was in the luggage in the cargo bay?
Then they would use one of the other contingency options I already mentioned to land visually or using other sensors. Still not a "safe" situation if this happens when you're close to the ground. If this were to happen during a Cat III approach, it would be extremely bad.