Checks into the background of all the Chinese nationals on board the missing Malaysian jetliner have uncovered no links to terrorism, the Chinese ambassador in Kuala Lumpur said Tuesday.
The remarks will dampen speculation that Uighur Muslim separatists in far western Xinjiang province might have been involved with the disappearance of the Boeing 777 and its 239 passengers and crew early on March 8.
The plane was carrying 154 Chinese passengers, when Malaysian officials say someone on board deliberately diverted it from its route to Beijing less than one hour into the flight. A massive search operation in the Indian Ocean and beyond has yet to find any trace of the plane.
Chinese Ambassador to Malaysia Huang Huikang said background checks on Chinese nationals didn’t uncover any evidence suggesting they were involved in hijacking or an act of terrorism against the plane, according to the state Xinhua News Agency.
Uighur groups have been involved in attacks inside China, and some have a presence in the Afghan-Pakistan border area, where al-Qaida and other transnational jihadi groups are based.
Malaysian police are investigating the pilots and ground engineers of the plane, and have asked intelligence agencies from countries with passengers on board to carry out background checks on those passengers.
Malaysian authorities say that someone on board the flight switched off two vital pieces of communication equipment, allowing the plane to fly almost undetected. Satellite data shows it might have ended up somewhere in a giant arc stretching from Central Asia to the southern reaches of the Indian Ocean.
Huang also that authorities in China had begun searching for the plane on its territory.
Malaysian police say they are investigating the possibility of hijacking, sabotage, terrorism or issues related to the mental health of the pilots or anyone else on board, but have yet to give any update on what they have uncovered.
Malaysian military radar spotted the plane in the northern reaches of the Strait of Malacca at 2:14 a.m. on March 8, just over 1 ½ hours after it took off from Kuala Lumpur. That is the plane’s last known confirmed position. A signal to a satellite from the plane at 8:11 a.m. suggests that, by then, it was somewhere in a broad arc spanning from Kazakhstan to the Indian Ocean west of Australia.
Investigators are scouring over what little data they have to try and determine who was in control of the plane when it stopped communicating. They have indicated that whoever was in control must have had aviation experience and knowledge of commercial flight paths.
On Monday, Malaysian Airlines CEO Ahmad Jauhari Yahya said an initial investigation indicated that the last words ground controllers heard from the plane — “All right, good night” — were spoken by the co-pilot, Fariq Abdul Hamid.
On Sunday, the defense minister Hishammuddin Hussein said this were spoken before the jetliner’s data communications systems — the Aircraft Communications Addressing and Reporting System — had been switched off, suggesting the voice from the cockpit was knowingly deceiving ground controllers.
But Ahmad made a potentially significant change to that timeline.
Speaking alongside Hishammuddin, he said that while the final data transmission from ACARS, which gives plane performance and maintenance information, came before the co-pilot’s words, it was still unclear at what point the system was switched off. The search for the plane is one of the largest in aviation history, and now involves 26 countries.
It was initially focused on seas on either side of Peninsular Malaysia, in the South China Sea and the Strait of Malacca. It has since expanded to include the Indian Ocean and the Bay of Bengal and 11 countries to the northwest which the plane in theory could have crossed, including China and India.
But had the plane gone northwest to Central Asia, it would have crossed over countries with busy airspace. Some experts believe it more likely would have gone south, although Malaysian authorities are not ruling out the northern corridor and are eager for radar data that might confirm or rule out that.
U.S., Australian and Indonesian planes and ships are searching waters to the south of Indonesia’s Sumatra Island all the way down to the southern reaches of the Indian Ocean, the world’s third-deepest and one of the most remote stretches of water. The area being covered by the Australians is massive — 600,000 square kilometers (232,000 square miles) — and will take weeks to search thoroughly, said John Young, manager of Australian Maritime Safety Authority’s emergency response division.
“This search will be difficult. The sheer size of the search area poses a huge challenge,” Young said. “A needle in a haystack remains a good analogy.”
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