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Lion Air 610

Printed page vi. PDF page 8.

1.18.3 Boeing Record on Stick Shaker Activation..........................................169 1.18.4 Situational Awareness ..........................................................................170 1.18.5 Cr
Open final report at PDF page 8Aircraft Accident Investigation Report KNKT.18.10.33.04

Lion Air 610

Printed page xvi. PDF page 18.

Safety Review Board SRM : Safety Risk Management SS : Safety and Security Department SS : Stick Shaker SSA : Safety System Assessment SSEC : Static Source Error Correction SSM : System Schematic Manual xvi
Open final report at PDF page 18Aircraft Accident Investigation Report KNKT.18.10.33.04

Lion Air 610

Printed page xviii. PDF page 20.

activations of Maneuvering Characteristics Augmentation System (MCAS) and left control column stick shaker which were active throughout the flight. The flight crew was able to stop the repetitive MCAS activation by switched the stabilizer trim to cut out. After landed
Open final report at PDF page 20Aircraft Accident Investigation Report KNKT.18.10.33.04

Lion Air 610

Printed page 20. PDF page 22.

later as the nose gear lifted off the runway, the DFDR recorded left control column stick shaker6 activation which continued for most of the flight. At 23:20:37 UTC, the takeoff configuration warning sound was recorded momentarily on the CVR then
Open final report at PDF page 22Aircraft Accident Investigation Report KNKT.18.10.33.04

Lion Air 610

Printed page 21. PDF page 23.

4.4 units. At 23:22:48 UTC, the flaps reached position 1 and the left control column stick shaker stopped briefly. The left AOA recorded 18� (nose up) and the right AOA 21
Open final report at PDF page 23Aircraft Accident Investigation Report KNKT.18.10.33.04

Lion Air 610

Printed page 22. PDF page 24.

During this time, the AND automatic trim ended. At 23:23:04 UTC, the left control column stick shaker activated and continued until the end of the recording, the rate of climb was about 1,500 feet/minute, and the pitch attitude was 3�
Open final report at PDF page 24Aircraft Accident Investigation Report KNKT.18.10.33.04