Lessons from turbulent United flight

The story of a United Airlines flight that ran into severe turbulence over Missouri on Monday night, resulting in injuries to 21 people, has been widely covered by the media. The followup reporting is just as important, reminding travelers that there are good reasons to stay seated when the fasten seatbelts sign is on, and to strap down whenever you're seated. Several times over the last year or so I've posted reports of similar midair incidents caused by turbulence in which passengers were injured. Here's a good story, with a repeat of that admonition to buckle up, from USA Today.