--- title: What Happens When You Don't Turn Off Your Phone on a Plane? description: What happens if you don’t follow directions when flight attendants tell you to switch devices to airplane mode isn't that clear. canonical: https://time.com/4727659/what-happens-cell-phone-airplane/ author: TIME article:opinion: false article:content_tier: free article:published_time: 2017-05-02T16:07:59.000Z article:modified_time: 2026-08-04T07:45:07.514Z og:title: What Really Happens When You Don't Turn Off Your Cell Phone on a Plane? og:description: Regulations have changed over the years, but what's the reason for them? og:url: https://time.com/4727659/what-happens-cell-phone-airplane/ og:site_name: TIME og:image: https://static.time.com/v3/assets/bltea6093859af6183b/blt289e6ce2f0914b5e/6988b303cd1bba2e7170366e/gettyimages-578262627.jpg?branch=production&width=1200&quality=75&auto=webp&crop=16:9 og:image:width: 5400 og:image:height: 3038 og:image:alt: Person playing game on smartphone on board airplane og:type: article twitter:card: summary_large_image twitter:title: What Really Happens When You Don't Turn Off Your Cell Phone on a Plane? twitter:description: Regulations have changed over the years, but what's the reason for them? twitter:image: https://static.time.com/v3/assets/bltea6093859af6183b/blt289e6ce2f0914b5e/6988b303cd1bba2e7170366e/gettyimages-578262627.jpg?branch=production&width=1200&quality=75&auto=webp&crop=16:9 ---  # What Really Happens When You Don't Turn Off Your Cell Phone on a Plane? > Sponsored content. 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Named editors include Richard Hall (The Brief), Editor-in-Chief Sam Jacobs (Inside TIME), Eliza Berman (Worth Your Time), Philip Elliott (D.C. Brief), Justin Worland (Future Proof) and Harry Booth (In the Loop). Health Matters is written by TIME's health desk. #### How do I sign up for a TIME newsletter? Go to time.com/newsletters, choose the newsletters you want and enter your email address. There is no cost and no subscription requirement. ### Sources * TIME Newsletters: [time.com/newsletters](/c/time-nl-network-2026q3/newsletters?i=9907fa17-02a8-406f-af59-b0664e8ab395&cr=time-nl-network-2026q3-v1) ## Video: Best Frequent Flier Programs MONEY [Watch (HLS stream): Best Frequent Flier Programs MONEY](https://cdn.jwplayer.com/manifests/fRlK5stx.m3u8) (1:08)  _Published 2017-04-11. With an overabundance of frequent flier programs, it’s easy to get overwhelmed in selecting one that’s right for you. These are the best programs out there._ by [Jordi Lippe-McGraw / Travel + Leisure](https://time.com/author/travel-leisure/) ## Jordi Lippe-McGraw / Travel + Leisure May 2, 2017 4:07 PM UTC  Person playing game on smartphone on board airplane Person playing game on smartphone on board airplane Steve Prezant—Getty Images/Image Source by [Jordi Lippe-McGraw / Travel + Leisure](https://time.com/author/travel-leisure/) ## Jordi Lippe-McGraw / Travel + Leisure May 2, 2017 4:07 PM UTC Cell phone use on planes has been heavily debated as the airline industry attempts to keep up with ever-changing technology. It’s standard practice to be told by flight attendants to switch devices to airplane mode during transit; but what happens if you don’t follow directions? Unfortunately, the answer isn’t that clear. Let’s start with some of the initial research. The reason for potential safety concerns is due to the fact that when you’re more than 10,000 feet in the air, your cell phone signal bounces off multiple towers and sends out a stronger signal. This is something that might congest the networks on the ground. But, there has never been a case of a cell phone causing a plane to crash. “It’s not necessarily that a phone can bring down an airplane,” [former Boeing engineer Kenny Kirchoff has said](http://www.cnn.com/2013/09/23/travel/cell-phones-devices-on-airplanes/). “That’s not really the issue. The issue is interfering with the airplane and causing more work for the pilots during critical phases of flight. When they take off and when they land, those are phases of flight that require a high level of concentration by the pilots.” But, with the advancement of modern technology these risks are becoming more obsolete. In fact, in 2014 the European Aviation Safety Agency (Europe’s version of the FAA) said that electronic devices pose no safety risk, although it was up to the airline to prove their systems were not affected by the signals of cell phones. Many airlines have gone through this assessment and actually allow in-flight calls to be made through onboard cellular network companies like AeroMobile and On Air. Those companies serve major airlines like Emirates, Virgin, British Airways, and at least 27 others. On Air actually connects more than half the world’s A380 fleet. That being said FAA still prohibits voice communications on cell phones. “Voice communications on cell phones is prohibited by FAA and FCC rules,” Elizabeth Isham Cory, from the FAA’s External Communications/Public Affairs office, told _Travel + Leisure_. “The FAA bans the use of cell phones for safety reasons. FAA regulations prohibit anything that intentionally emits a signal, which includes cells phones used for voice communications. It would be up to an airline to demonstrate that a call phone does not cause electronic interference. Cell phones cause electronic interference.” Although, a [study](http://aviationweek.com/blog/faa-posts-report-flight-cell-phone-usage) done by the FAA in 2012 also concluded that “civil aviation authorities reported no confirmed occurrences of cell phones affecting flight safety on aircraft with on-board cellular telephone base stations.” These miniature base stations are called picocells, and they give passengers the capability of cell phone use without affecting the instrumentation on board. “More modern electronics are shielded from interruptions,” Allison Markey, an aviation safety professional told us. “There is no magic gauge in the cockpit that shows that there is a phone with its cellular connection or Wi-Fi not turned off.” The FCC agrees about this technology, but still remains unclear as to when, how or if it will be allowed. The FCC’s current rules prohibiting use of cellphones on planes were adopted more than 20 years ago to protect against radio interference to cellphone networks on the ground,” it says [on the FCC website](https://www.fcc.gov/consumers/guides/faq-proposals-expand-consumer-access-inflight-mobile-services). “Technology that can be installed directly on an airplane is now available to prevent such interference and has already been deployed successfully in many other countries around the world without incident. This is purely a technical decision; it will, if adopted, allow airline carriers free to develop any in-flight phone usage policy they may wish, consistent with applicable rules.” They go on to be a bit more confusing when answering questions like “How soon could voice calling become a reality on planes?” “Ultimately, if the FCC adopts new rules, it will be the airlines’ decision, in consultation with their customers whether to permit the use of data, text and/or voice services while airborne,” they wrote. The FCC does make a point to say that they “understand that many passengers would prefer that voice calls not be made on airplanes.” Perhaps that’s the main reason why there is a ban on use currently in the U.S. “As for cell phone use on aircraft, the technology exists, but the hesitance is, again, public demand,” Markey said. “More passengers view this as an annoyance rather than a benefit of travel. It is bad enough being a passenger close to people who talk loudly to their neighboring passengers; add cell phone use and the result may be worse than the few seat reclining events of late.” _This_ [_article_](http://www.travelandleisure.com/travel-tips/airlines-airports/turn-off-cell-phone-on-plane) _originally appeared on_ [_TravelandLeisure.com_](http://Travelandleisure.com) ```json [{"@context":"https://schema.org","@type":"NewsArticle","@id":"https://time.com/4727659/what-happens-cell-phone-airplane/","mainEntityOfPage":{"@type":"WebPage","@id":"https://time.com/4727659/what-happens-cell-phone-airplane/"},"headline":"What Really Happens When You Don't Turn Off Your Cell Phone on a Plane?","datePublished":"2017-05-02T16:07:59.000Z","dateModified":"2026-08-04T07:45:07.514Z","description":"There has never been a case of a cell phone causing a plane to crash","url":"https://time.com/4727659/what-happens-cell-phone-airplane/","keywords":["Living","Travel","onetime","Evergreen"],"thumbnailUrl":"https://static.time.com/v3/assets/bltea6093859af6183b/blt289e6ce2f0914b5e/6988b303cd1bba2e7170366e/gettyimages-578262627.jpg?branch=production&width=1200&quality=75&auto=webp&crop=1200:675&height=675","author":[{"@type":"Person","name":"Jordi Lippe-McGraw / Travel + Leisure"}],"articleSection":"","image":[{"@type":"ImageObject","url":"https://static.time.com/v3/assets/bltea6093859af6183b/blt289e6ce2f0914b5e/6988b303cd1bba2e7170366e/gettyimages-578262627.jpg?branch=production&width=1200&quality=75&auto=webp&crop=1200:675&height=675","width":1200,"height":675,"headline":"Person playing game on smartphone on board airplane","caption":"Person playing game on smartphone on board airplane","creditText":"Steve Prezant—Getty Images/Image Source","representativeOfPage":true}],"publisher":{"@type":"Organization","name":"Time","url":"https://time.com/","logo":{"@type":"ImageObject","url":"https://time.com/images/logo.png","width":528,"height":156},"foundingDate":"March 3, 1923","sameAs":["https://www.facebook.com/time","https://www.instagram.com/time/?hl=en","https://twitter.com/time","https://www.pinterest.com/timemagazine"]}},{"@context":"https://schema.org","@type":"BreadcrumbList","itemListElement":[{"@type":"ListItem","position":1,"item":{"@id":"https://time.com/tag/time-section-living/","name":"Living"}},{"@type":"ListItem","position":2,"item":{"@id":"https://time.com/4727659/what-happens-cell-phone-airplane/","name":"What Really Happens When You Don't Turn Off Your Cell Phone on a Plane?"}}]},{"@context":"https://schema.org","@type":"VideoObject","name":"Best Frequent Flier Programs MONEY","description":"With an overabundance of frequent flier programs, it’s easy to get overwhelmed in selecting one that’s right for you. 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