Why Can't We Use Phones on Planes?

Why Can't We Use Phones on Planes?

If you have ever been on a plane, then you are familiar with the “Please switch your phones to airplane mode.” announcement. This might be annoying, especially if you have just settled in and are ready to update your loved ones.

But have you ever wondered why we can’t use our phones on planes and if it is really that big of a deal? Well, let’s break it down.

Image: A close-up photo of a person holding a smartphone, with their fingers gently tapping the screen, writing a text message.

Interference with Aeroplane Signals

One of the main reasons we are told to switch off our phones or put them in airplane mode is to avoid interference with the aeroplane's communication systems. Planes use special radio frequencies to talk to air traffic control and to navigate. If too many phones are trying to connect to the network while the plane is flying, it could create some signal interference.

Now, it is not like one phone will make the plane fall out of the sky, but if you have hundreds of passengers with their phones constantly searching for a signal, it might mess with the important equipment on board. 

The Search for Signal

When you are up in the sky, far away from cell towers, your phone has to work extra hard to find a signal. The higher you go, the weaker the connection gets. Your phone basically freaks out and keeps trying over and over again to connect to a tower. This not only drains your battery super fast but could also add to the interference issue.

Airplane mode stops your phone from trying to connect to any network. You can still use your phone for things like listening to music, watching movies, or even playing games. Just no calls, texts, or internet unless the plane has Wi-Fi.

Distraction During Takeoff and Landing

Another reason we are told to keep our phones away during certain times, like takeoff and landing, is because these are the most critical parts of a flight. The crew needs your full attention in case anything goes wrong or if there are important instructions.

Imagine if something important happened and half the plane was glued to their phones, not paying attention. That would not be very safe, right? Having everyone alert and ready during these moments makes it easier for the crew to do their job and keep everyone safe.

What About In-Flight Wi-Fi?

You might be wondering, if you can’t use your phone’s cellular network, then why can you use in-flight Wi-Fi? Well, in-flight Wi-Fi works differently. Planes that offer Wi-Fi use satellite connections or ground stations to give you access to the internet, which is completely separate from your regular cell service.

Wi-Fi on a plane does not cause the same type of interference as using a regular phone signal. That is why you can send messages, browse social media, or even stream shows, all without needing to switch your phone out of airplane mode.

Conclusion

So, why can’t we use phones on planes? It comes down to avoiding interference with the plane’s systems, making sure everyone is focused during takeoff and landing, and preventing chaos with mobile networks.

While the chances of something going wrong may be slim, it is better to be safe than sorry. You can also consider it a chance to unplug, relax, and enjoy the flight without distractions.