clear-air turbulence

Trinity Moss/Unsplash     By Doug Drury, CQUniversity Australia     A little bit of turbulence is a common experience for air travellers. Severe incidents are rare – but when they occur they can be deadly. The recent Singapore Airlines flight SQ321 from London to Singapore shows the danger. An encounter with extreme turbulence during normal flight left one person dead from a presumed heart attack and several others badly injured. […]