<div id="ooyalaplayer" style="width: 800px; height: 450px;"></div><div style="display:none;" id="kalturavideoplaceholder">kalturavideoplaceholder</div><div><div><script src="https://apis.google.com/js/platform.js"></script><div class="g-ytsubscribe" data-channelid="UCVLZmDKeT-mV4H3ToYXIFYg" data-layout="full" data-count="&quot;hidden&quot;"></div></div></div><p class="embed-spacer"></p><p><span style="line-height: 1.5em;">Ever wonder why you have to put your phone on "Airplane Mode" on flights? Most people think it's because active cell phones could interfere with the plane's navigation equipment. But that's not the real reason why your phone has to be on "Airplane Mode."</span></p><p><strong>Follow TI:&#xa0;</strong><a href="https://www.facebook.com/techinsider">On Facebook</a></p><p class="tagline"></p><div id="categorypromo" style="border:1px solid silver; min-height:90px; padding:10px;vertical-align:top;"><a href="http://www.businessinsider.com/intelligence/25-big-tech-predictions-for-2016?IR=T&amp;utm_source=businessinsider&amp;utm_medium=ctgr&amp;utm_term=ctgr_leadgen_2016-predictions&amp;utm_content=iphone_ctgr_leadgen_2016-predictions&amp;utm_campaign=iphone_ctgr_leadgen_2016-predictions"><img src="http://static-bii.businessinsider.com/image/5693ca34771aea1a1fc67bb6/bigtechcover-2.png" style="margin-right:15px;width:75px;float:left !important;" /></a><strong> EXCLUSIVE FREE REPORT:</strong><br>25 Big Tech Predictions by BI Intelligence. <strong><a href="http://www.businessinsider.com/intelligence/25-big-tech-predictions-for-2016?IR=T&amp;utm_source=businessinsider&amp;utm_medium=ctgr&amp;utm_term=ctgr_leadgen_2016-predictions&amp;utm_content=iphone_ctgr_leadgen_2016-predictions&amp;utm_campaign=iphone_ctgr_leadgen_2016-predictions">Get the Report Now »</a></strong></br></div>

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Here's why you need to put your phone on 'Airplane Mode' before you take off

kalturavideoplaceholderEver wonder why you have to put your phone on "Airplane Mode" on flights? Most people think it's because active cell phones could interfere with the plane's navigation equipment. But that's not the real reason why your phone has to be on "Airplane Mode."Follow TI:&#xa0;On Facebook EXCLUSIVE FREE REPORT:25 Big Tech Predictions by BI Intelligence. Get the Report Now »

kalturavideoplaceholderEver wonder why you have to put your phone on "Airplane Mode" on flights? Most people think it's because active cell phones could interfere with the plane's navigation equipment.

Here's why you need to put your phone on 'Airplane Mode' before you take off

Will Wei

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