The plane, which was en route from London to Singapore, was approximately 11,000 meters above southern Myanmar when the turbulence occurred. According to a preliminary report by the country's Civil Aviation Authority, the plane initially rose quickly, likely due to updrafts, prompting the autopilot to correct the plane's altitude.
When this was discovered, the pilot called on the passengers to fasten their seat belts. A few seconds later, there was a strong fall, which, according to the report, is believed to have caused severe damage. Pictures from the plane show how food, bottles and broken glass were scattered on the plane.
The pilot hit The autopilot manually steered the plane for 21 seconds, the news agency wrote AP.
After the violent fall, the plane made a controlled landing without major disturbances before finally making an emergency landing in the Thai capital, Bangkok, an hour later.
A British man died in connection with the incident. 26 people were still being treated in hospital on Wednesday, many of them suffering from skull and spinal injuries.
According to experts, the plane was likely affected by what is called clear air turbulence, which can occur when air currents moving at different speeds meet each other.
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