Attitude Indicator

The main instrument of understanding the aircraft‘s attitude with respect to earth’s surface.  

It is a gyro (or graphical representation) driven by either:

  • A mechanism to maintain its orientation relative to the earth’s surface through rigidity and precession.  
  • A ring laser and accelerometer driven Attitude and Heading Reference System (AHRS)

It is normally mounted centrally on an aircraft main instrument panel.  It can be implemented as graphics within a “glass cockpit”.  

Further Information: Wikipedia

See also: AH, AHRS, INS

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