The Meanings Behind the Mechanical Sounds You Hear on a Plane
by Elizabeth Yuko from Lifehacker on (#6FS5Q)
In addition to the beeps and chimes that you hear on an airplane, you may also pick up on a variety of mechanical sounds before and during a flight, as well as after you've landed. Unless you have aviation experience or knowledge (or are traveling with someone who does), you may be curious-or anxious-about what's...