this post was submitted on 27 Feb 2024
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You Don’t Need to Use Airplane Mode on Airplanes | Airplane mode hasn't been necessary for nearly 20 years, but the myth persists.::Airplane mode hasn't been necessary for nearly 20 years, but the myth persists.

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[–] rrrurboatlibad@lemdro.id 131 points 9 months ago (7 children)

You should still set airplane mode when airborne for other reasons besides interference with the aircraft. For one, you'll save your battery. It takes a lot of "juice" for your device to search for cell towers that are likely out of reach. You may also want to avoid connecting to a tower outside where you have coverage. E.g. for a flight from Anchorage to Minneapolis, maybe you don't want to connect to Canadian cell towers and potentially receive charges in another country. Obviously this depends on your plan limits. But, yeah, it's not really about protecting the airplane, in most cases

[–] n01getsout@sh.itjust.works 27 points 9 months ago* (last edited 9 months ago) (1 children)

Here is a video from TED-Ed that explains why. TLDR: phones looking for a signal broadcast on high power, but planes move so fast that you can end up right next to a cell tower so the high power signal can interfere with other phones trying to communicate.

https://youtu.be/iKYHf22qVdM

I disagree with how he phrases a few things, but I think it's mostly accurate.

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[–] cm0002@lemmy.world 4 points 9 months ago

Most flights I've been on had outlets and/or USB for charging, I've been leaving airplane mode off for every flight for years now

Come to think of it, I'm pretty sure battery drain is about normal anyways when I don't plug it in, the radio must eventually switch to a lower power lower search frequency at some point. Either that or the tower searching drains your battery thing is about as overblown as the leaving GPS on thing

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[–] GBU_28@lemm.ee 73 points 9 months ago (7 children)

If airplane mode really mattered they wouldn't let you even have a device

[–] Ottomateeverything@lemmy.world 29 points 9 months ago (2 children)

The idea that plane safety is tied to everyone together agreeing to and remembering to push a button on their devices is absolutely insane. You think that the regulating bodies that require multiple backups for every possible system also just trust that every passenger pushes a button and every flight attendant actually checks every passengers devices?

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[–] profdc9@lemmy.world 57 points 9 months ago (4 children)

I remember once when I accidentally turned on my phone during a flight instantly the plane started to plummet out of the sky. The phone slipped out of my hands and I groped for it while people and service items flailed around the cabin as the plane tumbled. Finally I slipped out of my belt and grabbed it. With only 10,000 feet of altitude to spare, I finally managed to get the phone to go into shutdown mode by holding the power button down. The plane righted itself immediately, and I slipped the phone into my pocket quietly and kept a low profile for the rest of the flight.

[–] dutchkimble@lemy.lol 23 points 9 months ago (1 children)

I was sitting across the aisle from you and saw the whole thing unfold. To be honest, no harm no foul so you're all good, however I'm just thankful those were the 3G days because with 5G airwaves I'm sure it would have been a faster drop.

[–] profdc9@lemmy.world 13 points 9 months ago

The problem with the 5G phones is that they effect the thought waves of the pilots and put them into a deep dive trance. I can't blame them for wearing those tinfoil hats. Modern aviation is not what they taught in flight school.

[–] emptiestplace@lemmy.ml 9 points 9 months ago

That was close, wow. I really admire your composure in zero gravity.

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[–] mrfriki@lemmy.world 44 points 9 months ago (1 children)

It’s not only the myth, is the airplane crew reminding you of that every single flight. Both on takeoff and landing.

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[–] bdonvr@thelemmy.club 42 points 9 months ago (14 children)

Absolutely still turn it on though, or your phone will be pushing it's power to the max screaming for cell towers the whole flight.

But sure if you want to pop it on when you get close to landing, you can usually get a signal that low.

[–] BananaTrifleViolin@lemmy.world 15 points 9 months ago

Not if there is a picocell on board - that's one of the major points of the article, including the EU mandating their installing on flights in Europe to enable people to connect.

However I agree with the airlines that lobbied in the US against this. It's going to be a source of air rage - people crammed in a small space do not want to listen to other people yapping loudly on cell phones or video calls. It's simpler to just ban it outright. Although I am sure the airlines also don't want to have to pay for data connections and their air staff be responsible for dealing with irate customers when the connection is out.

But airlines have already started monetising things by making WiFi available on board flights for a fee - that is already opening the door to calls. I suspect we'll end up with it as standard and a fight against exorbitant charges for connecting imposed by airlines.

[–] itsnotits@lemmy.world 8 points 9 months ago

pushing its* power

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[–] Duamerthrax@lemmy.world 29 points 9 months ago (1 children)

If Airplanes were that sensitive to RF, terrorists would just be using that to down planes over major cities or during landings at airports.

[–] Saik0Shinigami@lemmy.saik0.com 9 points 9 months ago (1 children)

Or they could just aim a directtv dish at a plane from a safe distance.

[–] n3m37h@sh.itjust.works 4 points 9 months ago (1 children)

Think ya gotta scrape all that rust off first

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[–] obinice@lemmy.world 27 points 9 months ago (4 children)

Aeroplane mode is incredibly, incredibly useful, I use it a lot and I'm almost never on an aeroplane haha.

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[–] Coreidan@lemmy.world 25 points 9 months ago (1 children)

I disagree. I don’t see the point of having my phone waste battery searching for a cell signal. Airplane mode saves your battery.

I could just turn my phone off entirely but then I can’t listen to music.

For me it has nothing to do with aircraft safety.

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[–] ILikeBoobies@lemmy.ca 24 points 9 months ago (2 children)

Last flight I was on had a no electronics at all rule

A person was told they couldn’t have their kindle out during the flight

[–] shneancy@lemmy.world 11 points 9 months ago (2 children)

fucking hell, I'd think about leaving because having to survive the rabid child always behind me, that guy over there coughing the entire flight, that lady next to me who immediately started snoring, and the bi hourly "buy our perfume" plane wide adnnouncements would be hell without headphones

[–] Alexstarfire@lemmy.world 11 points 9 months ago (1 children)

Simple. Bring a record player. Spin it by hand.

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[–] eclipse@lemmy.world 10 points 9 months ago (1 children)

Name and shame the airline.

I fly a lot for work, internationally most of the time. Haven't seen this in many years.

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[–] homesweethomeMrL@lemmy.world 17 points 9 months ago

Everyone should leave airplane mode on whenever and wherever possible.

[–] notannpc@lemmy.world 15 points 9 months ago (3 children)

The most amusing part is that I highly doubt any staff on a commercial flight is capable of telling if people have actually enabled airplane mode or not. It’s an honor system in a country where half of the people don’t even have the decency to try to mitigate the spread of illness.

[–] user1234@lemmynsfw.com 9 points 9 months ago

It's not that they don't try to mitigate the spread of illness, it's that they blatantly do the opposite.

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[–] KingThrillgore@lemmy.ml 14 points 9 months ago

Airplane mode isn't for them, its for me having a quiet moment.

[–] Crewman@sopuli.xyz 13 points 9 months ago

You shouldn't risk it, because no one knows how planes work.

[–] nomadjoanne@lemmy.world 12 points 9 months ago

Believe it or not Vodafone will charge you for air and sea usage quite a lot. So be careful if you use them.

[–] irotsoma@lemmy.world 11 points 9 months ago (2 children)

Use it if instructed to because many people don't understand what airplane mode is.

Use it if you have 2G service still enabled on your phone as there is a very low chance of 2G interfering with certain plane components due to the higher power involved, though that is extremely unlikely, there's no benefit to leaving it on. Also, you really shouldn't have 2G enabled on any phone since it's commonly hijacked to send unsolicited text messages or enable man in the middle attacks, etc., and few providers use it anymore outside of some low density areas and other limited uses.

Use it if you have 5G, for now, since there is still research being done on whether the telecom industry is correct that the new C-band frequencies they're using won't interfere with altimeters that use close frequencies. This can especially be worrisome for low budget wireless chips that don't regulate their frequencies to spec on mass produced models. And poorly maintained altimeters that might not be well calibrated with age. The gap is small enough that it's possible that there might be some interference in real world situations.

So, for the average person, it's still worth telling them to just use it. There's no benefit to having cell service turned on during a flight. The real issue is that airplane mode should really only affect cell signals now and leave WiFi alone since planes have WiFi now and a lot of applications share between devices with WiFi, and leave Bluetooth and NFC alone since they're short range and low power and unlikely to cause issues. Just my opinion as an IT professional with electronics and wireless communication experience, but not an airplane specialist.

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[–] nodsocket@lemmy.world 11 points 9 months ago

Airplane mode is still useful for lots of other things. I'd be pretty upset if the feature was removed.

[–] nucleative@lemmy.world 9 points 9 months ago

A lot of things are annoying about flying but one of the top is when phones are ringing and beeping unanswered (or worse, answered) non-stop.

I think airplane mode is more for the sanity of the crew than anything having to do with safety any more.

[–] lipilee@feddit.nl 8 points 9 months ago

I use it at home. Preserves battery.

[–] Ilgaz@lemm.ee 5 points 9 months ago (1 children)

It will be there forever since it got stuck as a "offline" button. People go offline for many reasons and they look for a "plane" icon.

Since when did you see/use a diskette or s dot matrix printer? You use their icons.

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[–] filister@lemmy.world 3 points 9 months ago (6 children)

Imagine the number of plane crashes if this wasn't the case.

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[–] CRMascot@dmv.social 3 points 9 months ago (1 children)

The real reason to enable airplane mode is to avoid insane in plane roaming fees, I think Ethihad just did this to me!

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