Incident investigators have arrived from the United States in China Saturday to help The look of the authorities for Evidence for what? caused last months crash of Boeing 737-800 with 132 people on the board of a ship.
seven members team From the US National Transportation Safety Board (NTSB) will participate in Civil Aviation Administration of China Investigation (CAAC) of March 21 crash of (a) China Eastern Airlines Boeing 737-800.
as part of That help, the cockpit of the plane voice The recorder is downloaded and analyzed in an American lab in Washington, federal officials said Friday.
Investigators hope the recording will explain why the plane descended from an altitude of about 8,800 meters (29,000 feet). over mountainous region in Southeast China.
Chinese officials said so air Traffic controllers were unable to get a response from the pilots while the plane was landing.
cockpit voice will be registered pick up Voices and more sounds From microphones worn by pilots and stationary ones over their heads.
Researchers also Restore plane flight data recorder, which constantly captures speed, altitude, heading, etc. information and the performance of key systems on The plane, but this recorder has not been evaluated in Washington on Friday.
The NTSB said its investigators would limit contact with people outside Investigate so they can start they work Immediately without going through the quarantine period.
The plane that crashed was not a 737 Max, a newer model Temporarily grounded around the world after two deadly accidents in Indonesia and Ethiopia.
the influence caused by crash in China has built a hole 20 meters (65 feet) deep, set off a fire in The surrounding forest and crashed the plane small scattered parts over wide areaSome of They were buried underground. More than 49,000 pieces of The wreckage has been recovered, along with some people remains and personality items.
Chinese Airlines safety official He said the preliminary investigation report will be completed within 30 days of The crash.
Flight MU5735 with 123 passengers and 9 crew members were heading from the southwest city of Kunming, the capital of Yunnan Province, to Guangzhou, major city And export manufacturing center near Hong Kong in Southeast China.
The 737-800 has a feature safety record The Chinese airline industry has seen relatively few mishaps in Last few years.
before last month accident, and last fatal crash of Chinese passenger plane happened in August 2010, when the Embraer ERJ 190-100 was operated by Henan Airlines hit Earth is short of runway in the Northeast city of Yichun caught fire killing 44 people. Investigators blamed the pilot error.
