Details have emerged from the last moments of an Ethiopian Airlines crashed three weeks ago.
A plane crash system, a Boeing 737 Max, was blamed for the disaster that killed all 1
Soon after the launch – and only 137 meters above the ground – the nose of the aircraft began to tip over.
One pilot, according to the Wall Street Journal, said to the other "field", open!
The plane crashed for only six minutes.
The Wall Street Journal says it is being talked to by people close to the ongoing investigation "paints a picture of a catastrophic failure that quickly overwhelmed the flight crew."
This week's crash surveys in Ethiopia and the US reveal that an automatic anti-stall system was activated at the time of the disaster.  The flight control function of the maneuver characteristic augmentation system (MCAS) was also involved in an accidental crash last October with a Lion Air flight in Indonesia.
The Boeing 737 Max left Jakarta shortly after takeoff, killing all 189 people on board
An investigation of the Lion Air flight indicated a malfunction of the anti-stall system and forced the nose of the aircraft more than 20 times before it crashed into the sea.
The Ethiopian authorities have already established "clear similarities". between the incident of Lion Air and the crash of Ethiopian Airlines.
The airline and the authorities have refused to comment on the leak of the investigation.
Concern about the Boeing 737 Max has led to a global grounding of the aircraft.
Boeing has redesigned the software so that MCAS is disabled when conflicting data is received from its sensors.
As part of the upgrade, Boeing will install an additional warning system for all aircraft previously in the 737 Max, an optional security feature.
None of the two aircraft involved in the fatal crashes carried alarm systems designed to warn pilots when sensors provide conflicting readings.  The update of the aircraft is to ensure that the MCAS does not make repeated corrections when a pilot attempts to regain control.
Boeing is also revising pilot training to provide a better understanding of the 737 MAX's flight system and crewing procedures. 19659016] Image copyright
Earlier this week, Boeing said the upgrades were not an admission that the system had caused the crashes.
Investigators have not yet established the cause of the accidents, but a preliminary report by the Ethiopian authorities is expected within a few days.
Boeing has been trying to rebuild his bad reputation, but still insists that the 737 Max is safe.