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Forgot to turn on flight mode – Will the plane crash?

Oskar de Felice - CLO

Approved by Oskar de Felice

Air passenger rights expert

Updated on
7/23/2026
Forgot to turn on flight mode - Will the plane crash?

Key Points about “Flight mode”

  • Flight mode disables cellular and Wi-Fi connections.

  • Required during takeoff and landing.

  • May be used during flight if airline allows it.

  • Facilitates offline use of device features like music or games.

  • Passengers should follow crew instructions regarding devices.

Actually, it goes without saying. On an airplane, smartphones, tablets or laptops should be switched to flight mode. Activating flight mode deactivates all wireless communication interfaces of the device, while other functions remain active. But what happens if air travelers forget to switch on flight mode? Will the plane crash? Or could this lead to turbulence?

What does flight mode mean?

Flight mode is the setting option on technical devices that switches off all wireless communication interfaces of the tablet, smartphone, or laptop. However, with flight mode turned on in the airplane, air travelers still have the option, for example, to watch movies on their laptops, play games offline with their cell phones or read an e-book.

What does flight mode mean? In short, flight mode allows air travelers to continue using their devices during the flight without disturbing the pilot with signals.

How does flight mode work?

Flight mode turns off all radio signals from a device. Thus, it is no longer necessary to turn off the smartphone. When you set flight mode, firstly the connection to the cellular network is cut, and secondly, the connection to WLAN, Bluetooth, and NFC connections is also cut.

Why does the phone need to be in flight mode?

Don’t worry. If you ever forget to put your phone in flight mode, the plane won’t crash right away. In the worst case scenario, the pilot could hear jamming noises. This could then lead to the pilot no longer being able to correctly understand radio signals that are important to him or her. So turning on flight mode is definitely the wiser idea.

Are you affected by an overbooking, flight delay, cancellation, or missed connection?

Use our free compensation calculator to check whether you can receive compensation for your problem flight and instruct Flightright online to enforce your claim. You can get up to 600 euros of compensation per person (minus commission fee). Check flight now. Simple ✔ fast ✔ & without risk ✔

When should you turn on flight mode?

Even though forgetting flight mode won’t cause the plane to crash right away, it’s still important to have flight mode on. You should turn on flight mode so that the pilot can manoeuvre the aircraft undisturbed and hear important radio signals clearly. That is the reason why flight mode should be turned on in the aircraft.

Activating the flight mode, by the way, is quite simple. To enable or disable it, just click the airplane icon on your device.

What happens if you fly without flight mode?

You should not turn off flight mode during a flight. If you fly without flight mode, the pilot may be distracted by noise similar to that of a speaker feedback. Furthermore, he or she may not correctly understand the radio signals necessary for safe manoeuvring of the aircraft. This in turn can lead to dangerous situations, though it is exceedingly rare.

We hope you enjoyed this article!

How can Flightright help you?

Your suitcase is packed, and your smartphone is already in flight mode, but then your flight is delayed or even cancelled, or you have been removed from the passenger list (denied boarding)?
In each of the situations described, you have a right to compensation as an air passenger.

Tip: Flightright helps you enforce your air passenger rights! With us, you can check your claims free of charge in two minutes. ✔️Easy, ✔️fast & without ✔️risk

According to the EU Passenger Rights Regulation, passengers are entitled to compensation in the event of a delay, cancellation, overbooking, or missed connection. You can claim up to 600 euros of compensation per person (minus commission fee). This compensation is independent of the ticket price. Flightright enforces your right for you. If necessary also in court.

As experts on the subject of air passenger rights, we enforce your right to compensation against the airline! Flightright’s air passenger rights experts are also happy to help you with ticket reimbursements and refunds for cancelled package tours.

Hannes is a passionate traveler and an active contributor to the Flightright blog. With a strong interest in aviation and travel, he regularly shares helpful travel tips, practical tricks, and the latest news from the world of flying. His articles also focus on passenger rights and EU Regulation 261/2004, helping readers better understand their rights in cases of flight delays, cancellations, and denied boarding.

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