Aviation experts to begin probe of Singapore Airlines turbulence incident that left British man dead

Open this photo in gallery: Airport officials gather near the aircraft ladder attached to the Singapore Airlines aircraft for flight SQ321 parked on the tarmac after an emergency landing at Suvarnabhumi International Airport, in Bangkok, Thailand, on May 22.Athit Perawongmetha/Reuters Aviation investigators arrived in Bangkok Wednesday to learn how and why severe turbulence sent a Singapore Airlines plane into a sudden dive that tossed passengers and crew around the cabin, leaving a British man dead and dozens others injured. Twenty people remained in intensive care in hospital after Flight SQ321, which was flying from London's Heathrow airport to Singapore, hit…