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A gyroscopic instrument or a fluid surface, typically one of mercury, used to provide the pilot of an aircraft with a horizontal reference plane for navigational measurement when the natural horizon is obscured.
- ‘The system utilizes a huge artificial horizon with V-bar indicator and an HSI in your choice of arc mode or full display at bottom center.’
- ‘I scanned my radar altimeter, my artificial horizon, and the simulated-suspect vessel.’
- ‘The aileron caused a turn, which the pilot rectified with rudder before realizing his error and returning his scan to the artificial horizon on the panel.’
- ‘Most of the scientific instruments were lost: the sextants, the big telescope, the five compasses, the artificial horizons; even the thermometers.’
- ‘Vertical bars mark the sides of the hangar and the ship's mast, and a further improvement comes in the form of a gyro-stabilised horizontal bar, which gives the pilot an artificial horizon to work with.’
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