The crashing Boeing machine "system design problem" Indonesian authorities October 25 23:46
Last year, an Indonesian transport authority crashed in the Indonesian Java Sea and killed 189 passengers. Indonesian transport authorities designed a system that automatically controls the attitude of the aircraft mounted on a crashed Boeing passenger aircraft. Announced a report that there was a problem.
In October of last year, Indonesian LCC = low-cost airline, "Lion Air" Boeing 737MAX8 crashed into the capital of Jakarta, crashed into the Java Sea, and 189 passengers died.
Indonesian transport authorities, who have been investigating the cause of the accident, released the findings on the 25th.
According to it, the system called “MCAS” that automatically controls the attitude of the aircraft mounted on the 737MAX8 is designed to rely on only one sensor for the function of measuring the tilt of the aircraft, causing a problem with the sensor. If there is a problem, it points out that there was a design problem that the aircraft was controlled based on incorrect data.
In addition, if this system malfunctions, there is a countermeasure to stop the system, but it is not described in the manual, and it is said that it was not well known to the pilot. .
On the other hand, the transport authorities said that the crashed aircraft had previously failed in the system, and the pilot who noticed took measures to shut down the system. Also pointed out that there was a problem.
Regarding the 737MAX8, there was an accident that the same type of passenger plane crashed in Ethiopia in March, and after the accident, the operation was stopped in various parts of the world, and there is no prospect of resumption.