China cruise ship tragedy caused by freak weather: official probe

2015-12-31 08:37Xinhua Editor: Mo Hong'e
Rescuers work at the site of the overturned ship in the Jianli section of the Yangtze River, central China's Hubei Province, June 3, 2015. (Photo: Xinhua/Cheng Min)

Rescuers work at the site of the overturned ship in the Jianli section of the Yangtze River, central China's Hubei Province, June 3, 2015. (Photo: Xinhua/Cheng Min)

It was heavy storms during freak weather that caused a cruise ship on the Yangtze River to capsize in June, killing 442 people, an official investigation has declared.

A State Council investigation team concluded that the incident was "an extraordinarily serious disaster" caused by strong winds and heavy rains resulting from a squall line accompanied by a downburst, a very rare weather phenomenon, according to an official report released on Wednesday.

Problems were also uncovered in the shipping company's daily management and local regulators' supervision. Investigators suggested 43 people be punished, the captain's certification be revoked and that the judiciary decide whether he committed a crime.


The cruise ship Eastern Star encountered the squall line during a trip from Nanjing to Chongqing on the night of June 1, and a downburst, instead of a tornado as reported previously, produced strong winds that overturned the vessel, the report showed.

In a very short time, winds reached level 12 to 13 on the Beaufort scale while rainfall rose to 94.4 millimeters per hour, forcing the ship to capsize within just over a minute, according to the report.

The captain took measures to stabilize the vessel, but the wind force was more than double the maximum level the ship could take, investigators found.

A downburst can be detected by Doppler weather radars, but there is no time left for alerts to be sent when the radars are more than 45 kilometers away from where the downburst occurs, said Xu Xiangde, a weather scientist on the investigation team.

The site of the shipwreck was 50 kilometers away from nearby radars, Xu said.

Investigators found that the ship's ability to resist wind pressure conforms to regulations but was not strong enough to stand the extreme weather, according to the report.

The Eastern Star was built in 1994 as a vessel for passenger transport, converted into a cruise ship in 1997 and reconstructed in 2008.

The ship's stability against wind decreased gradually after those projects but was still in line with official requirements, said Wu Yousheng, a ship expert who participated in the probe.

Apart from the Eastern Star, another two ships were hit by the storm on the same river section but did not capsize, because they had much higher wind resistance, said Wu.

Experts participating in the probe clarified several issues about the incident, saying a tornado, which had been thought to be the cause for the shipwreck, hit a nearby port minutes before the disaster but did not affect the river area.

The investigation also ruled out speculation that the Eastern Star was in a hurry before the accident occurred, as the bus scheduled to pick up the ship passengers at the next stop was late and the ship was actually slowing down.

Neither did the ship turn around after encountering the adverse weather, according to Song Jiahui, director general of the China Diving & Salvage Contractors Association, who was also in the investigation team.

The captain, Zhang Shunwen, didn't abandon ship before it capsized, Song said.

Zhang climbed out of the window after the ship overturned and swam to the river bank. Later, he and three other crew members came across another ship and reported the accident to the local maritime administration with a borrowed cell phone, Song said.

With 403 tourists, 46 crew members and five travel agency staff aboard, the Eastern Star was on an 11-day trip along the Yangtze River when it capsized. Only 12 people survived.


Though extreme weather was found to have caused the tragedy, the investigation also pointed to "problems in daily management and supervision", with 43 people held accountable.

The owner of the Eastern Star, Chongqing Eastern Shipping Corp., modified the ballast tanks without requesting an official inspection afterward, according to the official report.

The firm also failed to give proper training to its crew on how to respond to inclement weather conditions, the report said.

The investigation team said the captain and his chief mates had "insufficient knowledge" about extreme weather and possible dangers, and "responded inadequately."

Other flaws by the firm included insufficient checks on cabin facilities and lax monitoring over the ship's condition.

Local authorities, including port and maritime safety administrators, were accused of inadequate ship examination and lax water transport permit issuance.


Authorities defended the length of the investigation, which lasted for six months, citing difficulties in the work and saying there are no written rules on the time limit for investigation of "extraordinarily serious disasters."

"The team upheld a high sense of responsibility for people's lives during the investigation," said Shan Chunchang, head of the emergency response team under the State Council, who participated in the probe.

The investigation team gathered 1,607 original files with more than seven million words in total, centering around three key factors -- wind, ship and people, according to the report.

To understand the wind condition when the accident occurred, the team carried out multiple field investigations and aerial photography in 14 key areas, the size of 360 square kilometers, near the accident site.

The team analyzed data from meteorological satellites, weather radars, ground meteorological stations as well as aerial photos and interviews of witnesses.

It also held seven studies with more than one hundred Chinese and foreign experts from institutions including Peking University and the China Meteorological Administration participating.


Ministry of Transport (MOT) said Wednesday measures will be taken to improve inland river shipping safety management, echoing the investigation team's suggestions to learn a lesson from the tragedy.

The MOT will increase checks on market access for inland river passenger and dangerous goods shipping and hold those responsible accountable for life.

Meanwhile, the authorities will upgrade old vessels, set up specific disaster detection and warning mechanisms, and improve the emergency rescue system.

Much stricter standards for ship operation must be set to ensure that vessels will not sail with technical problems or in excessively adverse weather conditions, according to the experts.


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