- The stability that concerns yawing about the normal, or vertical, axis. An aircraft is directionally stable if when it is temporarily deflected from its course, it tends to return to the original course without any correction applied by the pilot. Also called weathercock stability or yaw stability.
Aviation dictionary. 2014.
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Directional stability — is stability of a moving body or vehicle about an axis which is perpendicular to its direction of motion. Stability of a vehicle concerns itself with the tendency of a vehicle to return to its original direction in relation to the oncoming medium … Wikipedia
directional stability — Ability of a vehicle to move forward in a straight line with a minimum of driver control. A vehicle with good directional stability will not be unduly affected by side wind, road irregularities, etc … Dictionary of automotive terms
directional stability — noun the ability of a vehicle to maintain its course, or remain under normal steering control, while subjected to directionally disturbing influences such as cross winds, braking on irregular surfaces or turning … Wiktionary
Stability derivatives — are a means of linearising the equations of motion of an atmospheric flight vehicle so that conventional control engineering methods may be applied to assess their stability.The dynamics of atmospheric flight vehicles is potentially very… … Wikipedia
Stability — can refer to: *Aircraft flight Stability (aircraft) *In atmospheric fluid dynamics, atmospheric stability, a measure of the turbulence in the ambient atmosphere *BIBO stability (Bounded Input, Bounded Output stability), in signal processing and… … Wikipedia
stability —  The quality or state of a vehicle to remain controllable. See directional stability.  The ability of a ship to return to her normal upright position when listed by the action of waves, wind, etc.  Property which allows an adhesive,… … Dictionary of automotive terms
directional — [[t]daɪre̱kʃən(ə)l, dɪr [/t]] 1) ADJ GRADED If something such as a radio aerial, microphone, or loudspeaker is directional, it works most effectively in one direction, rather than equally in all directions at once. [TECHNICAL] Dish aerials are… … English dictionary
Longitudinal static stability — is important in determining whether an aircraft will be able to fly as intended. Static stability As any vehicle moves it will be subjected to minor changes in the forces that act on it, and in its speed. * If such a change causes further changes … Wikipedia
Electronic stability control — (ESC) is a computerized technology  that may potentially improve the safety of a vehicle s stability by detecting and minimizing skids. When ESC detects loss of steering control, it automatically applies the brakes to help steer the… … Wikipedia
straight-line stability — See directional stability … Dictionary of automotive terms