Details have begun to emerge of the final moments of an Ethiopian Airlines flight which crashed less than a month ago.
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The Pilots Tried to Save Ethiopian Plane in Vain - Investigations Reveal
An investigation of the Lion Air flight suggested the anti-stall system malfunctioned, and forced the plane's nose down more than 20 times before it crashed into the sea.
In both cases flight tracking data showed the aircraft's altitude had fluctuated sharply, as the planes seemed to experience erratic climbs and descents.
In the six minutes that the plane was in flight, US media outlet, Wall Street Journal, reported, the pilots tried following through the manual that the manufacturer had provided but it failed.
Specifically, they allegedly switched off the Maneuvering Characteristics Augmentation System (MCAS) to regain control but the option did not work.
The pilots then deviated from the steps in a last minute attempt to save the plane but it also hit a dead end with the plane crashing shortly after.
Getting Closter To The Facts
Details have begun to emerge of the final moments of an Ethiopian Airlines flight which crashed three weeks ago.
Proberbly Boeings Fault
Boeing Chairman and CEO Dennis Muilenburg in a statement; "...that Boeing was going ahead with a software update that will address the behaviour of the flight control system "in response to erroneous sensor inputs".
"Optional Safety Feature"
As part of the upgrade, Boeing will install an extra warning system on all 737 Max aircraft, which was previously an optional safety feature.
Neither of the two planes that were involved in the fatal crashes carried the alert systems, which are designed to warn pilots when sensors produce contradictory readings.
Boeing said that the upgrades were not an admission that the system had caused the crashes.
Boeing said, it had now reprogrammed software on its 737 MAX to prevent erroneous data from triggering an anti-stall system that is facing mounting scrutiny in the wake of two deadly nose-down crashes in the past five months.
An anti-stalling system on the plane, a Boeing 737 Max, has been blamed for the disaster which killed all 157 people on board.
Soon after take-off - and just 450ft (137m) above the ground - the aircraft's nose began to pitch down.
One pilot, according to the Wall Street Journal, said to the other "pitch up, pitch up!" before their radio died.
The plane crashed only six minutes into its flight.
The Wall Street Journal - which says it has spoken to people close to the ongoing investigation - says the information it has "paints a picture of a catastrophic failure that quickly overwhelmed the flight crew".
Leaks this week from the crash investigation in Ethiopia and in the US suggest an automatic anti-stall system was activated at the time of the disaster.
The Manoeuvring Characteristics Augmentation System (MCAS) flight-control feature was also implicated in a fatal crash involving a Lion Air flight in Indonesia last October.
The Boeing 737 Max went down shortly after take-off from Jakarta, killing all 189 people on board.
And Boeing simulator tests have now found the MCAS behaved much more powerfully than expected, repeatedly forcing the aircraft nose down.
In a simulation of the Lion Air flight, test pilots found they had less than 40 seconds to overcome the problem before the plane went into a unrecoverable nose-dive, the New York Times reported.
Boeing subsequently issued guidance to pilots on how to manage MCAS, but a software fix to remedy the problem was delayed and has only just been rolled out.
A warning light which could have alerted pilots to a problem with the flight sensors was not fitted to either of the planes that crashed.
U.S. lawsuit filed against Boeing over Ethiopian Airlines crash
A first lawsuit against Boeing Co was filed in US federal court on Thursday in what appeared to be the first suit over an Ethiopian Airlines 737 MAX crash that killed 157 people.
The crash of Boeing’s passenger jet in Ethiopia raised the chances that families of the victims, even non-U.S. residents, will be able to sue in U.S. courts, where payouts are much larger than in other countries, some legal experts have said.
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