One dead, several injured after London-Singapore flight hit severe turbulence

Representational Pic/File

A Singapore Airlines flight hit severe turbulence over the Indian Ocean and descended 6,000 feet (around 1,800 meters) in a span of about three minutes, the carrier said Tuesday, leaving a British man dead and more than two dozen other passengers injured.

The flight was then diverted and landed in stormy weather in Bangkok.

Authorities said the 73-year-old British man may have suffered a heart attack, though that hasn't been confirmed. His name wasn't immediately released.

The Boeing 777 flight from London's Heathrow airport to Singapore, with 211 passengers and 18 crew members aboard, landed at Bangkok's Suvarnabhumi Airport, the airline said in a Facebook post.

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British passenger Andrew Davies told Sky News that ¿anyone who had a seatbelt on isn't injured."

He said that the seatbelt sign was illuminated, but crew members didn't have time to take their seats.

"Every single cabin crew person I saw was injured in some way or another, maybe with a gash on their head," Davies said. "One had a bad back, who was in obvious pain."

Emergency medical crews rushed to help the passengers. Videos posted on the LINE messaging platform by Suvarnabhumi Airport showed a line of ambulances streaming to the scene.

Kittipong Kittikachorn, general manager of Suvarnabhumi Airport, told a news conference on Tuesday night that the British man appeared to have suffered a heart attack, but medical authorities would need to confirm that.

He said that seven passengers were severely injured, and 23 passengers and nine crew members had what he described as moderate injuries. Sixteen other people with less serious injuries received hospital treatment, while another 14 were treated at the airport, according to Kittipong.

Kittipong said the sudden descent happened as passengers were being served their food. It was Suvarnabhumi Airport's first time handling a midair turbulence related death, he added.

Thai airport authorities said that the passengers with minor injures, and those who are not injured, are being assisted at a specially assigned location inside the airport terminal.

Thailand's transport minister, Suriya Jungrungruangkit, said Singapore was dispatching another plane to transport those who could travel to the city-state's Changi airport.

Tracking data captured by FlightRadar24 and analyzed by The Associated Press show the Singapore Airlines flight SQ321 cruising at an altitude of 37,000 feet (11,300 meters).

At one point, the Boeing 777-300ER suddenly and sharply descends to 31,000 feet (9,400 meters) over the span of about three minutes, according to the data. The aircraft then stayed at 31,000 feet (9,400 meters) for under 10 minutes before diverting and landing in Bangkok less than a half-hour later.

The sharp descent in turbulence happened as the flight was over the Andaman Sea, near Myanmar. The aircraft sent a 'squawk code' of 7700 at that time, an international emergency signal.

Details of the weather at the time weren't immediately revealed.

Most people associate turbulence with heavy storms. But the most dangerous type is so-called clear air turbulence. Wind shear can occur in wispy cirrus clouds or even in clear air near thunderstorms, as differences in temperature and pressure create powerful currents of fast-moving air.

The problem of turbulence was highlighted last December, when a total of 41 people on two separate flights hit by turbulence in the United States were hurt or received medical treatment on two consecutive days.

According to a 2021 report by the U.S. National Transportation Safety Board, turbulence accounted for 37.6% of all accidents on larger commercial airlines between 2009 and 2018. The Federal Aviation Administration, another U.S. government agency, said after the December incidents that there were 146 serious injuries from turbulence from 2009 to 2021.

Boeing, the maker of the Singapore Airlines plane that ran into turbulence , extended condolences to the family of the dead man and said it was "in contact with Singapore Airlines regarding flight SQ321 and stand ready to support them."

The widebody Boeing 777 is a workhorse of the aviation industry, used mainly for long-haul flights by airlines around the world.

The 777-300ER variant of the twin-engine, two-aisle plane is larger and can carry more passengers than earlier models.

Singapore Airlines, the city-state's flag carrier, operates 22 of the aircraft as part of its fleet of more than 140 planes. The airline's parent company is majority owned by Singapore's Temasek government investment conglomerate, and also operates the budget airline Scoot.

Singapore Transport Minister Chee Hong Tat also extended condolences on his Facebook page. He said that his ministry and Singapore's Foreign Ministry, as well as the country's Civil Aviation Authority and Changi Airport officials, along with airline staff, "are providing support to the affected passengers and their families."

The Transport Safety Investigation Bureau of the ministry said that it's investigating the incident and is in touch with its Thai counterpart and will be deploying investigators to Bangkok.

Singapore Airlines said that the nationalities of the passengers are: 56 Australians, two Canadians, one German, three Indians, two Indonesians, one from Iceland, four from Ireland, one Israeli, 16 Malaysians, two from Myanmar, 23 from New Zealand, five Filipinos, 41 from Singapore, one South Korean, two Spaniards, 47 from the United Kingdom and four from the United States.

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