As you're sitting on the plane and waiting for takeoff, your airline pilot could activate a "ding" sound mid-flight — but what does that sound really mean? In a now-viral video garnering nearly 10 ...

If you're a nervous flyer, it's always better to know more about what's going on around you when you're on a plane. Like, those "ding," or chiming, sounds you hear — what are those, really? You may ...