Add Yahoo as a preferred source to see more of our stories on Google. Airplane passengers were blown away after learning that those ubiquitous "dings" on an airplane are actually a code crew members ...

A pilot demystifies the "ding" sound heard on airplanes. It's not an alarm, but a signal for the crew. One ding signifies takeoff clearance, another at 10,000 feet allows cabin service to begin, and ...

Those 'dings' on planes are more than just noise. They are coded signals between pilots and flight attendants. A chime during taxi means prepare for takeoff. Another at 10,000 feet signals it is safe ...