The Ethiopian Airlines and Lion Air crashes show eerie similarities ' here are all the things they have in common (BA)

Boeing has come under scrutiny after two deadly crashes involving its 737 Max 8 aircraft in five months.While investigators have not released their final reports about the crashes, there appears to be a number of similarities between them.The similarities include erratic flight paths and the possible involvement of plane-control software.Boeing has come under scrutiny after two deadly crashes involving its 737 Max 8 aircraft in five months.The first, an October 2018 crash of a Lion Air flight, killed 189 people. The second, an Ethiopian Airlines crash on March 10, killed all 157 people on board.Many countries, including the US, China, France, and Britain, have grounded the 737 Max 8 as investigators work to determine what caused each crash. While investigators have not released their final reports, there appears to be a number of similarities between the crashes.These are five ways in which the crashes are or appear to be similar.Boeing declined a request for comment.SEE ALSO:53% American adults say they don't want to fly on a Boeing 737 MaxBoth involved Boeing 737 Max 8s.Each crash involved Boeing's 737 Max 8 aircraft, which went into service in 2017. Pilots recorded at least nine complaints about the aircraft in the Federal Aviation Administration's incident database in the months before the second crash.Both flights crashed minutes after takeoff following erratic flight paths.The Lion Air flight crashed 13 minutes after takeoff, while the Ethiopian Airlines flight crashed six minutes after takeoff. Both flights displayed erratic flight patterns before they crashed, The New York Times reported.Plane-control software may have played a role.Investigators are looking into the possible role played in each crash by the 737 Max's Maneuvering Characteristics Augmentation System (MCAS), which points an aircraft's nose downward if the plane is flying at too steep an incline.Boeing installed the system on 737 Max aircraft because they feature larger engines that had to be mounted in a different way from those on prior 737 aircraft. The new engines created a tendency for 737 Max aircraft to tilt upward, which makes it more likely that they will stall in midair. The MCAS was designed to counter this tendency.Evidence from both incidents indicates that the pilots on each flight struggled against the MCAS before their planes crashed, and speculation from observers has suggested that the sensor that causes the MCAS to point the plane downward may have activated in each case because of an error.See the rest of the story at Business Insider
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