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Gyropilot, or automatic pilot, automatic device for keeping a ship or airplane on a given course using signals from a gyroscopic reference. The marine version operates a ship's rudder by displacement signals from the gyrocompass. In an airplane, the gyropilot consists of sensors that detect deviations in direction, pitch, and roll and pass signals via a computer to alter the controls as necessary.

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21st Century Webster's Family Encyclopedia21st Century Webster's Family Encyclopedia - Grand Rapids to Hadron