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yaw,in aviation: see airplaneairplane,
heavier-than-air vehicle, mechanically driven and fitted with fixed wings that support it in flight through the dynamic action of the air.
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surface designed to develop a desired force by reaction with a fluid, especially air, that is flowing across the surface. For example, the fixed wing surfaces of an airplane produce lift, which opposes gravity.
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small angular deviations, relative to the vertical axis, from the course of, for example, an aircraft, a ship, or a motor vehicle; these deviations can occur alternately toward either side. For stability of motion to be preserved, these oscillations must be damped rapidly enough so that they do not interfere with control. If the oscillations damp slowly, damping devices are used.
ii. To rotate or oscillate about a vertical axis.
iii. The rotation of a camera or a photograph coordinate system about either the photograph's z-axis or the exterior's z-axis.