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Updated on July 7, 2020 8:49 am
Updated on July 7, 2020 8:49 am
Updated on July 7, 2020 8:49 am

Boeing warns airlines about equipment failure after Indonesia crash

Sky News:-  Boeing has issued a warning to airlines using its 737 MAX planes after a sensor failure was identified as a potential cause of the crash of a passenger flight near Indonesia.

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.

A rescue diver also died in the salvage operation after the crash.

Black box investigations into the incident by Indonesian authorities have indicated that the flight “experienced erroneous input from one of its AoA (Angle of Attack) sensors”.

Boeing’s warning came in the form of an Operations Manual Bulletin (OMB) directing operators to existing flight crew procedures to address circumstances where there is erroneous input from an AoA sensor.

These sensors measure the angle of attack of planes when climbing to ensure that they do not attempt to fly too steeply and stall.

According to reports, the initial investigation into the flight pattern of JT610 has suggested that the sensor was producing incorrect data which the flight computer processed to trigger further errors.

According to The Seattle Times’ aerospace reporter, if the AoA sensor falsely indicates that the plane’s nose is too high, the automatic system response is to “trim” the plane’s horizontal tail to begin putting the nose down.

At the same time it will alert the pilot about the minimum speed to warn that the plane may be near staling – this causes the pilot’s control column to shake as a warning – but will be contradicted by the speed indicators on the flight deck.


  1. Just a simple sensor,can start a chain reaction.And the pilot can not take charge of the plane,in a manual mode? Love all the tecnology.

  2. They can actually take control, but in this case they apparently freaked out and didn’t follow the instructions on how to overcome that already documented and tested situation.

  3. If Boeing knows there is a problem,should they not be responsible for correcting the fault.?Car manufacturers recal all their vehicles,when they discover a problem.I would think planes were more important,when something stops working up there,you coming down like a rock,and you not parking,thats it.

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