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Everything we know about the Ethiopian plane crash
Ethiopian Airlines crash report released
By Helen Regan and Ben Westcott, CNN
Updated 2 min ago0906 GMT (1706 HKT) April 4, 2019
Investigators have not identified any damage to aircraft sensors in relation to crash
From CNN’s Gregory Wallace
Ethiopian accident investigators have not identified any damage to the aircraft’s sensors that could have contributed to the March 10 crash.
“We can confirm that we haven’t found any foreign object damage,” Amdeye Ayalew, AIB investigation chairman, told reporters at a news conference on Thursday, speaking through a translator.
He also said investigators have not identified any “structural design problem” with the aircraft.
Dagmawit Moges, the Ethiopian Minister of Transport, said investigators have reviewed the cockpit voice and flight data recorders, as well as records such as “additional documents gathered from the operator” of the plane.
Ethiopian investigators make two major recommendations
Ethiopian Minister of Transport Dagmawit Moges said that based on initial information gathered during the investigation, two safety recommendations have been forwarded in the preliminary report.
They are:
- Since repetitive and commanded aircraft nose down conditions are noticed in this preliminary investigation, it is recommended that the aircraft flight control system relative to the flight controllability shall be reviewed by the manufacturer.
- Aviation authorities shall verify that the review of aircraft control system related to flight controllability has been adequately addressed by the manufacturer before release of the aircraft to operations.
Ethiopian Airlines release statement on report
Ethiopian Airlines put out a statement on Twitter following the press conference in Addis Ababa.
It said: The preliminary report "clearly showed" that pilots on Flight 302 followed the Boeing recommendations.
Airline CEO Tewolde GebreMariam said: "All of us at Ethiopian Airlines are still going through deep mourning for the loss of our loved ones."
Adding: "Meanwhile we are very proud of our pilots' compliances to follow the emergency procedures."
#Ethiopia|n Airlines Statement on the Preliminary Report of the Accident on ET 302
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Aircraft had a valid certificate of air worthiness
Initial findings from Ethiopian investigators found that:
- The aircraft possessed a valid certificate of air worthiness
- The crew obtained the necessary license and qualifications to conduct the flight
- The take off role appeared very normal
- The crew performed all the procedures repeatedly provided by the manufacturer but were not able to control the aircraft
Preliminary report says crew 'performed all procedures repeatedly'
Ethiopian transport minister Dagmawit Moges addresses a news conference on the preliminary report to the Ethiopian Airlines ET 302 plane crash in Addis Ababa, Ethiopia April 4, 2019
The preliminary report finds that the Ethiopian Airlines crew "performed all procedures repeatedly provided by the manufacturer but were unable to control the aircraft," according to Ethiopian safety investigators in the capital Addis Ababa.
Ethiopian crew 'followed all expected procedures without regaining control of aircraft' says source
From CNN's Robyn Kriel
The preliminary report into the Ethiopian Airlines crash has determined that “the crew followed all expected procedures without managing to take back control of the aircraft,” according to a Western diplomatic source briefed on the investigation.
The report is expected to say that the aircraft had normal certification and the crew was certified for flying this aircraft and had the necessary training.
The recommendations will include that the manufacturer should review the anti-stall system and that the certifying authority ensures that this issue has been dealt with before authorizing any further flights of this aircraft, the source added.
Will the report offer any conclusions?
Probably not. Preliminary reports often don’t come to conclusions, but rather offer early raw data as a way to help safety officials take initial steps.
It's the first official report from the disaster and is required by the investigating authority to be produced within 30 days of an incident.
'Horrifying' that following procedure may not have been enough
Speaking to CNN, pilot and aviation analyst Miles O'Brien gave his take on what could have happened in the cockpit once pilots reportedly turned off the automatic flight control system.
"They were left with a manual wheel to try to get the nose in the proper orientation and evidently what we are hearing is, that maybe the wheel didn’t have enough authority, that it was too hard to move, or could not move fast enough, given the amount of altitude they had in order to recover. So that put them in a situation where they followed the book, and the recovery procedure was not good enough.
"The idea that they would have this troubleshooting system, they followed the book and it wan’t good enough, is just horrifying," said pilot and CNN aviation analyst Miles O'Brien.
This comes in response to reports in the Wall Street Journal with those familiar with the investigation said that Ethiopian Airlines pilots had initially followedBoeing's emergency procedure but were unable to regain control of the MAX 8 jet.
This included turning off the automated flight-control system, called the MCAS.
What we know so far
From CNN's Helen Regan
One of two sensors that measures the angle of attack is pictured at bottom on a Boeing 737 MAX 8 airplane outside the company's factory on March 22, 2019 in Renton, Washington.
The release of the official report caps off weeks of leaks and speculation about the cause of the crash, much of it centering on the role of the MCAS anti-stall software.
Reports from the Wall Street Journal suggest that the MCAS automatically activated before the plane nose-dived into the ground.
In the Lion Air crash, the MCAS forced the plane's nose down more than 24 times before it finally hit water, according to a preliminary investigation by Indonesia's National Transportation Safety Committee, which found the system was responding to a faulty sensor.
The Wall Street Journal has also reported that pilots initially followed emergency procedures that were laid out by Boeing before the crash.
Questions have also been asked over whether pilotshad sufficient training with the system.
Pilots transitioning to the Boeing 737 Max 8 aircraft from older 737 models were given a short, self-administered online course that made no mention of the MCAS system, pilots' unions spokesmen for two American carriers told CNN.
Ethiopian Airlines CEO Tewolde GebreMariam has also said that the flight simulator that pilots trained on to learn how to fly the Boeing 737 Max 8 plane did not replicate the MCAS automated feature.
GO DEEPER
Ethiopian Airlines pilots followed Boeing's emergency procedures before crash: report
Automatic anti-stall system activated before Ethiopian Airlines crash: report
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