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An attitude and heading reference system provides

  • A.Attitude and heading, but not position
  • B.Attitude, heading and position
  • C.Position and velocity only
  • D.Air data parameters

Answer: A

It solves the orientation problem and stops there, which is what distinguishes it from a full inertial navigation system. Position and velocity require integrating acceleration over time, and that is precisely where the errors grow without bound.

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