The Ethiophian pilots did everything Boeing had recommended before crashing – 03/04/2019

Ethiopian Airlines Boeing 737 MAX pilots crashed in March they followed the emergency steps stipulated by the builderbut they could not regain control of the plane, the US newspaper reported Wednesday. The Wall Street Journal.

The plane crashed on March 10 shortly after taking off from Addis Ababa, an episode that claimed the lives of 157 people on board. was the second fatal accident of a 737 MAX in less than five monthswhich resulted in the suspension of the flight authorization of this model worldwide.

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The first case occurred in October, when 189 people died when a plane of this model of the Lion Air airline in Indonesia crashed. After this accident, Boeing issued a circular recalling the emergency instructions to cancel a system developed specifically for the 737 MAX aircraft.

Pilots attempting to regain control of the Ethiopian aircraft had initially followed these procedures to stop the stabilization system, called the Maneuverability Enhancement System (MCAS), but were unable to control the maneuvering system. plane, he said. The Wall Street Journal citing sources having access to the preliminary findings of the accident investigation.

Then they tried to regain control in another way, but to no avail, adds the newspaper, whose sources are based on "in the data downloaded from the recorders of the black box of the aircraft".

The preliminary report on the accident will be released this week, announced the Ethiopian government.

MCAS was thought to be a key factor in both 737 MAX accidents. This system is designed to automatically lower the nose of the plane if it detects a blockage or loss of aerodynamic speed.

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Prior to the accident, the pilots of the 737 MAX Lion Air were struggling to control the aircraft when the MCAS sunk the nose of the aircraft, according to a flight data recorder.

The Lion Air and Ethiopian Airlines aircraft – both 737 MAX 8 models – experienced uneven highs and lows and variable flight speeds before crashing shortly after takeoff.

Ethiopia sees "obvious similarities" between the two accidents.

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Last week, Boeing, looking for ways to make the model fly again, brought together hundreds of pilots and journalists to present the changes to the MCAS. One of them allows the system stop making corrections when pilots try to regain control.

Source: AFP.

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