Lion Air jet should have been grounded before fatal flight, Indonesia says

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AFP Jakarta
Last Updated : Nov 28 2018 | 12:10 PM IST

A Lion Air jet that crashed last month should have been grounded over a recurrent technical problem and never permitted to make the fatal flight, Indonesian authorities said Wednesday in a report that took aim at the carrier's poor safety culture.

The Boeing 737 MAX vanished from radar about 13 minutes after taking off from Jakarta on October 29, slamming into the Java Sea moments after it had asked to return to the capital.

The preliminary crash report from Indonesia's transport safety agency did not pinpoint a definitive cause of the accident, which killed all 189 people on board, including an Indian pilot, with a final report not likely to be filed until next year.

But investigators said that Lion Air kept putting the plane back into service despite repeatedly failing to fix a problem with the airspeed indicator in the days leading up to the fatal flight.

Its second last flight was from Denpasar in Bali to Jakarta. "During (that) flight, the plane was experiencing a technical problem but the pilot decided to continue," Nurcahyo Utomo, aviation head at the National Transport Safety Committee, told reporters.

"The plane was no longer airworthy and it should not have kept" flying, he added.

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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.

Investigators have previously said the doomed aircraft had problems with its airspeed indicator and angle of attack (AOA) sensors, prompting Boeing to issue a special bulletin telling operators what to do when they face the same situation.

The report confirmed that initial finding, saying the plane's data recorder detected an issue with the AoA.

It also said the plane's "stick shaker" -- the steering-wheel like handles in front of the pilots that vibrates to warn of a system malfunction -- was "activated and continued for most of the fight."

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First Published: Nov 28 2018 | 12:10 PM IST

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