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SINGAPORE (Reuters) – Preliminary findings of an investigation right into a Singapore Airways (OTC:) flight hit by extreme turbulence final week confirmed a speedy change in gravitational power and a 54 metre altitude drop precipitated accidents, Singapore’s transport ministry mentioned on Wednesday.
One passenger died of a suspected coronary heart assault and dozens have been injured after Singapore Airline Flight SQ321, flying from London to Singapore, encountered what the airline described as sudden, excessive turbulence whereas flying over Myanmar. The ministry mentioned the investigation was ongoing.
The SQ321 London-Singapore flight on a Boeing (NYSE:) 777-300ER aircraft carrying 211 passengers and 18 crew diverted to Bangkok for an emergency touchdown after the aircraft was buffeted by turbulence that flung passengers and crew across the cabin, slamming some into the ceiling.
“The plane skilled a speedy change in G (gravitational power) … This doubtless resulted within the occupants who weren’t belted as much as develop into airborne,” the ministry mentioned in an announcement, citing a report by the Transport Security Investigation Bureau of Singapore.
“The vertical acceleration modified from damaging 1.5G to constructive 1.5G inside 4 seconds. This doubtless resulted within the occupants who have been airborne to fall again down.
“The speedy modifications in G over the 4.6 seconds length resulted in an altitude drop of 178 ft (54 m), from 37,362 ft to 37,184 ft. This sequence of occasions doubtless precipitated the accidents to the crew and passengers,” it mentioned.
The report additionally mentioned a pilot was heard calling out that the fasten seat belt signal had been switched on.
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