US emergency directive after Boeing jet crash in Indonesia

Lester Mason
November 8, 2018

Lion Air flight JT610 crashed into the sea off of Indonesia's northern coast in October, likely causing the deaths of all 189 people on board.

Boeing is preparing to send a warning to all the operators that have taken delivery of its new 737 Max aircraft, according to an anonymous source cited by Bloomberg.

The airline faulted the airport's aircraft movement control personnel who directed the plane.

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Images distributed on social media showed passengers on the runway observing the broken part of the plane.

The advice is based on preliminary information gathered in the investigation of a Lion Air flight that crashed in Indonesia last week killing all 189 on board, a person familiar with the matter told Reuters.

The captain and first officer flying from Bali to Jakarta the night before the crash had indicators displaying differences in angle of 20 degrees, KNKT said, but that flight landed safely despite the issues in the air. Boeing released a bulletin about the issue on November 6. Service bulletins can be followed by airworthiness directives to airlines by the U.S. Federal Aviation Administration, giving the recommendations extra weight.

"We will.conduct a special audit of the crews' qualifications and staff communication", transportation minister Budi Karya Sumadi told reporters Monday as he announced the probe into Lion's operations.

KNKT said that there was a problem with the sensor on the last flight taken by the doomed plane, from the island of Bali to Jakarta, even though one sensor had been replaced in Bali.


The two Indonesian airlines that fly the Boeing 737 Max 8 planes, national carrier Garuda and Lion Air, both declined to comment on the bulletin.

On the fatal flight, the plane hit the water at very high speed after it had been cleared to return to the airport minutes after becoming airborne.

'This condition, if not addressed, could cause the flight crew to have difficulty controlling the airplane, and lead to excessive nose-down attitude, significant altitude loss, and possible impact with terrain, ' the FAA said.

"The Indonesian National Transportation Safety Committee has indicated that Lion Air flight 610 experienced erroneous input from one of its AOA (angle of attack) sensors", the warning said. Erroneous readings from the AOA sensor could push the plane into an aggressive, unwarranted dive.

Boeing has delivered 219 Max planes - the latest and most advanced 737 jets - since the models made their commercial debut past year with a Lion Air subsidiary.

Meanwhile, the search operation to recover the passengers, crew and the airplane's cockpit voice recorder is ongoing.

Certainly, Indonesian search and rescue officials had trouble locating the wreck, despite encountering a large amount of wreckage in the four days leading up to the discovery of the fuselage.

Other reports by Iphone Fresh

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