[ad_1]
Ethiopian Airlines' Boeing 737 MAX, which crashed in March and killed 157 people, was damaged by an angle of attack sensor taking off from a bird or foreign object. Wrong data and the activation of an anti-stall system have been activated. – Sending the plane down and finally collapsing on the ground, two sources close to aviation told ABC News.
While the jet plunged into the nose, the Boeing 737 MAX pilots did not attempt to electronically pull the nose out before following Boeing's emergency procedures of disengaging horizontal stabilizer power. in the back of the plane, according to sources.
A source told ABC News that it manually attempted to lift the nose of the aircraft using the compensation wheel. Shortly after, the pilots restored the horizontal stabilizer.
Once the diet was restored, the MCAS was reactivated, the sources said. The pilots were unable to regain control and the aircraft crashed.
The preliminary findings of the investigation into the accident are expected to be unveiled Thursday morning by transport officials in Ethiopia.
Earlier on Wednesday, Boeing issued a statement stating: "We recommend that you do not speculate and draw conclusions about the findings prior to the release of the flight data and preliminary report".
French and American investigators collaborate in the Ethiopian investigation. In the center of it is an automated anti-stall safety system on the MAX and its possible connection with problems related to the flight from Ethiopia and the accident of Lion Air in 2018.
In both accidents, the Boeing 737 MAX struggled to maintain a steady flight path. The planes have repeatedly lost and gained altitude before diving to the surface of the Earth. In both incidents, a new anti-stall safety system on the MAX Control Trim (MCAS) was activated, sources told ABC News.
Airline pilots of commercial aircraft are trained to disengage the system in the event of extreme compensation when the aircraft performs unexpected pitching movements. It is unclear what could have prevented Lion Air flight pilots from disengaging the system and adjusting the aircraft. Lion Air defended the training of its pilots.
In the days following the crash of Flight 302 of Ethiopian Airlines, airlines and aviation authorities around the world have failed the MAX. The United States was the last to do so on March 13, after the Federal Aviation Administration concluded that the sophisticated satellite data made available to the agency that day justified a temporary grounding of the MAX.
Last week, the FAA's interim administrator visited Capitol Hill to defend the government's response to both accidents. Daniel Elwell told Senators Wednesday that while the FAA was one of the last aviation regulators in the world to have anchored the MAX, she and Canada were the first to make a decision based reliable data from aircraft.
Boeing says he's working on a software update for the automated security system and that it should be approved by the FAA and offered to the airline in a few weeks.
[ad_2]
Source link