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Doomed Lion Air jet was no longer airworthy and should not have kept flying, say crash investigators

  • Indonesian investigators say airline kept putting the plane back into service despite repeatedly failing to fix a problem with the airspeed indicator

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Indonesian National Transportation Safety Committee investigator Nurcahyo Utomo with a Boing 737 aircraft model. Photo: EPA

A crashed Lion Air jet should have been grounded over a recurrent technical problem before its fatal journey, Indonesian authorities said on Wednesday.

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The preliminary crash report from Indonesia’s transport safety agency also took aim at the budget carrier’s poor safety culture, but did not pinpoint a definitive cause of the October 29 accident, which killed all 189 people on board.

Details in the report from the new jet’s flight data recorder suggest that pilots struggled to control its anti-stalling system. A final report is not likely to be filed until next year.

The Boeing 737 MAX vanished from radar about 13 minutes after taking off from Jakarta, slamming into the Java Sea moments after pilots had asked to return to the capital.

Investigators said Lion Air kept putting the plane back into service despite repeatedly failing to fix a problem with the airspeed indicator, including on its penultimate flight from Bali to Jakarta.

“The plane was no longer airworthy and it should not have kept flying,” Nurcahyo Utomo, aviation head at the National Transport Safety Committee, told reporters.

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The findings will heighten concerns there were problems with key systems in one of the world’s newest and most advanced commercial passenger planes.

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