US media: aircraft instrument readings mistake into Indonesia lion crash investigation focus

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 US media: aircraft instrument readings mistake into Indonesia lion crash investigation focus


Boeing has privately hinted to at least one airline executive and an external security expert that it is interested in pilots receiving unreliable speed data, the Wall Street Journal reported Wednesday. Boeing is the manufacturer of the Boeing 737Max8 twin engine aircraft that crashed.

The plane, delivered to Lion Airlines in August, crashed into the Java Sea ten minutes after taking off from Jakarta, in good weather conditions and the crew did not send a message for help. The Indonesian rescue team conducted a seabed survey on Tuesday to search for the aircraft.

Boeing, an independent security expert close to Boeing, also hinted that company experts would particularly like to know about the maintenance of the airspeed measurement and reporting system for the plane before the crash, which was reportedly partially maintained before the crash.

Boeing has told more than one airline executive that it knows the problem of airspeed monitoring was solved by maintenance the day before the crash, according to a briefing person.

According to a previous report by the British Broadcasting Corporation (BBC), the technical log of the airliner the day before the crash (28) showed that the flight speed data displayed by the pilots instrument was unreliable, unlike the deputys meter reading, the pilot had to hand over the control authority of the airliner to the deputy, after which the pilot decided to continue the journey, the aircraft in Jakarta. Safe landing.

On October 2, 1996, Peruvian Airlines Flight 603 crashed in Lima, Peru, resulting in 61 passengers and 9 crew members of a total of 70 deaths. It was found that the altimeter and the speedometer of the aircraft were in a state of malfunction at the same time. The flight altitude of the aircraft was dropping at a very fast speed, but the altimeter had no corresponding change. A series of erroneous information led to the crash of the aircraft.

According to the Wall Street journal reported that a spokesman for Boeing will not comment on the instrument fault statement, the spokesman pointed out that Boeing before announcement, the company is to provide technical assistance for the investigation, the matter should be left Indonesia relevant departments reply. Any comment on details of Indonesia and the United States government investigators had not yet been investigated; air traffic control officials have said the flight crew in the request to return to the airport and get approval without specific explanations. Indonesias National Transportation Safety Board led the investigation of the person in charge of the SoerjantoTjahjono report said airspeed and maintenance problems will be a part of the investigation. He did not elaborate. He confirmed that investigators would check the specific maintenance checks before the crash. The source of this article: surging news editor: Gu Ying _NN6577

According to the Wall Street journal reported that a spokesman for Boeing will not comment on the instrument fault statement, the spokesman pointed out that Boeing before announcement, the company is to provide technical assistance for the investigation, the matter should be left Indonesia relevant departments reply.

Government investigators in Indonesia and the United States have yet to comment on any details of the investigation; air traffic control officials have said the flight crew did not specify the circumstances when they requested to return to the airport and were approved.

Soerjanto Tjahjono, head of Indonesias National Transportation Safety Commission, which led the investigation, said airspeed reports and maintenance issues would be part of the investigation. He did not elaborate. He confirmed that investigators would check the specific maintenance checks before the crash.