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Sina Finance and economics news on January 9, Iran's Civil Aviation Organization said in a preliminary report that the Boeing (331.37, - 5.91, - 1.75%) 737-800 plane crashed on Wednesday had tried to return shortly after taking off, but the pilot did not report any abnormalities. A few minutes after taking off, the Ukrainian international airline flight 752 to Kiev fell from the sky near Tehran, killing all 176 people on board.
According to the report, the plane disappeared from the radar at an altitude of 8000 feet (2440 meters), and witnesses reported seeing fire in the air before the crash. Both the flight data recorder and the cockpit voice recorder have been damaged, but the core memory appears to be accessible, the report said.
This is one of the first reports about the plane. At a time of tension in Iran and the United States, investigations are bound to be difficult and fraught with intrigue.
There have been conflicting signals about the cause of the crash, with Iranian authorities initially blaming technical problems and then engine fires. The Ukrainian Embassy in Tehran ruled out terrorism and then revised the statement, saying it would not comment on possible causes. Ukrainian International said it had "not even considered" the possibility of crew error.
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