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 ...

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 ...

Air travel is a marvel of modern engineering, but many passengers remain curious about the subtleties of the in-flight experience. Among the most enigmatic are the soft "ding" sounds that echo through ...