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Boeing issues safety advice over sensors on 737 MAX after fatal Indonesian crash

  • The planemaker said local aviation officials believed pilots may have been given wrong information by the plane’s automated systems before the crash

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An Indonesian safety official examines an engine from the doomed Lion Air flight. Photo: Reuters

Boeing issued a special bulletin on Wednesday addressing a sensor problem flagged by Indonesian safety officials investigating the crash of a Lion Air 737 that killed 189 people last week.

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The planemaker said local aviation officials believed pilots may have been given wrong information by the plane’s automated systems before the fatal crash.

“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.

“Boeing issued an Operations Manual Bulletin directing operators to existing flight crew procedures to address circumstances where there is erroneous input from an AOA sensor.”

Black box shock: Lion Air jet had speed fault on final four flights

An AOA sensor provides data about the angle at which wind is passing over the wings and tells pilots how much lift a plane is getting.

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