vertical stabiliser

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vertical stabiliser

The pilot checks the vertical stabiliser during the pre-flight inspection.

Definition
  1. Noun:
    • A vertical airfoil at the tail of an aircraft: A "vertical stabiliser" is a fixed, upright fin that is a fundamental part of an airplane's tail assembly. Its primary function is to provide directional stability, meaning it helps the aircraft maintain a straight flight path and prevents unwanted side-to-side yawing motions.
Usage
  • The term "vertical stabiliser" is used specifically in the context of aviation and aeronautical engineering to describe a key structural component of an airplane's empennage (tail section).
  • It is a technical term commonly found in aircraft manuals, design discussions, and pilot training materials.
Examples
  • Noun:
    • During the inspection, the engineer checked the vertical stabiliser for any signs of damage.
    • The aircraft's vertical stabiliser provides stability against yaw, much like the fin on a dart.
    • The design of the vertical stabiliser is crucial for the directional control of the airplane.
Advanced Usage
  • The vertical stabiliser is the primary mounting point for the rudder, which is the movable control surface attached to its trailing edge. The pilot uses the rudder to actively control yaw.
  • In some aircraft designs, especially military fighters, the vertical stabiliser may be canted (tilted) or there may be two vertical stabilisers for enhanced performance.
Variants and Related Words
  • Vertical stabilizer: The American English spelling.
  • Tailfin / Fin: Common informal or general terms for the vertical stabiliser.
  • Vertical tail: A broader term that can encompass the entire vertical structure, including the stabiliser and the rudder.
  • Rudder: The movable control surface attached to the trailing edge of the vertical stabiliser.
Synonyms
  • Fin
  • Tailfin
Related Phrases
  • Vertical tail structure: The assembly comprising the vertical stabiliser and the rudder.
  • Directional stability: The specific type of stability the vertical stabiliser provides.
vertical stabiliser

The pilot checks the vertical stabiliser during the pre-flight inspection.

Noun
  1. a stabilizer that is part of the vertical tail structure of an airplane

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