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Acceleration error in an attitude indicator during a take-off run typically shows as

  • A.A false indication of a nose-up pitch
  • B.A false indication of a nose-down pitch
  • C.A false left bank
  • D.No error at all

Answer: A

The pendulous erection sensor is displaced rearward by the acceleration and reads it as a tilt, so the erection system precesses the gyro accordingly. The error is transient and disappears once the acceleration ceases.

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