Boeing 737 MAX 8 black box data show similarity to the same plane crash in Indonesia

The company Boeing consider such findings premature.

Фото: Depositphotos

Ethiopian Transport Minister Dagmavit Moges said that the “black boxes” of the crashed 10 March Boeing 737 MAX 8 speak of an “obvious similarity” to the crash of an airplane of the same model in Indonesia in October 2018, Esquire.

However, the company Boeing believe that the findings do too early, since the investigation is still underway. In a statement, the CEO of the corporation Dennis Melenberg wrote that the investigators, who are investigating the causes of the disaster in Ethiopia, only have to “come to a final conclusion.”

“Clear similarities were observed between Ethiopian Airlines Flight 302 and Indonesian Lion Air Flight 610, which will be the subject of further investigation during the investigation,” Moges said.

However, she refused to provide detailed information about the similarities of the two catastrophes, as well as to confirm the information that the cause of the tragedy in both cases could be software defects.

Moges told reporters that a preliminary report on the causes of the disaster in Ethiopia will be made public within 30 days.

Melenberg also said that Boeing is completing the development of software updates, which was announced earlier. We are talking about systems used to automatically determine the position of the nose of the aircraft relative to the horizon line.

Decryption results surprised specialists

Flight recorders of the Boeing 737 MAX 8 crashed in Ethiopia were decrypted in France by experts of the Bureau of Civil Aviation Security Investigation and Analysis (BEA) and transferred to representatives of the Ethiopian Aviation Administration, writes "Russian newspaper ".

The results of the decryption have not yet been officially published, but information has been leaked to the media. According to Reuters, from the decrypted data it became clear that the plane was moving at an unusually high speed before the fall, about 700 km/h, while the normal speed in the first minutes after takeoff was about 400 km/h.

In addition, the pilot asked for permission to fly to 4200 meters above sea level due to problems with the control of the car, which means less than 2000 meters of the actual distance to the ground in this area - Addis Ababa is located on a plateau with an altitude of 2300 to 3000 meters. The ship's commander then requested permission to return to the airport. Permission was given to return through a right turn, since there was a city to the left of the plane. About a minute after this, communication with the liner was lost.

According to the expert quoted by Reuters, pilots are usually asked to allow them to climb when they need room to maneuver, especially over terrain with difficult terrain. When studying the wreckage found at the site of the crash, a detail of the stabilizer was found, on which the trimmer was deflected similarly to the inclination of the Boeing 737 MAX 8, which crashed in October in Indonesia.

Meanwhile, the company Boeing 16 March resumed test flights 737 MAX, these two aircraft performed short flights in the region of Seattle, Washington, where the main production facilities of the aircraft manufacturer are located. Aviation specialists are trying to analyze the problems that have arisen with the Boeing 737 MAX 8, taking into account two tragedies in the past five months.

Most experts agree that Boeing Corporation, possibly trying to win a competitive race with Airbus, has relied on upgrading the Boeing 737 model, which first took off in 1967 year. The car was very successful, which made it possible to upgrade it many times. However, improvements and increase in the size of the aircraft led to the fact that the original model with its excellent flight characteristics and a sophisticated control system began to be equipped with new wings, more powerful engines, to lengthen the fuselage to accommodate more passengers. All this led to the fact that the new aircraft was less stable, and that he kept in the air, he needed more and more new support systems. One of them was the electronic system MCAS, which should take the nose of the plane down if it turns up to a dangerous angle beyond which there is a threat of stalling. According to preliminary data, this system was the cause of two crashes of MAX model aircraft.

Boeing promised to release new software at the end of March. As it turned out, they began to develop it after the tragedy of Lion Air, and after the catastrophe in Ethiopia they sharply accelerated the process.

Recall that 13 March US President Donald Trump ordered to immediately stop flights of Boeing 737 Max 8 and Max 9 aircraft in connection with the wrecks in Ethiopia in Indonesia. When the planes start flying again is currently unknown. The company is expected to release a software patch by April.

10 March Ethiopian Airlines' Boeing 737 Max 8 aircraft flying from Addis Ababa to Nairobi crashed 60 km east of the capital of Ethiopia. Plane crash claimed the lives of 157 people.

The collapse of 8MAX in Ethiopia happened 4 a month after the crash in Indonesia. Then the new Boeing 737 MAX 8 aircraft fell into the Java Sea shortly after departure from Jakarta. Killed 189 people aboard. The investigation has previously established that the aircraft of the new model may erroneously interpret data on the flow of air and arbitrarily lower the nose of the aircraft, directing it at the peak.

In November, the 2018 The US Federal Aviation Administration warned that problems with the flight control sensors that have occurred at the Boeing 737 Max crashed in Indonesia may also occur in the case of this series of 250 liners.

The Boeing 737 MAX is the model that has sold most successfully in the entire history of Boeing. According to the manufacturer, orders for it have already placed more than 100 airlines worldwide.

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