horizontal stabiliser
Definition
Noun: 1. A fixed horizontal airfoil forming part of an aircraft's tail assembly: The horizontal stabiliser is the primary fixed horizontal surface at the rear of an aircraft. Its main function is to provide longitudinal (pitch) stability. The movable elevator is typically attached to its trailing edge.
Usage
The term is used specifically in aviation to describe a key component of an aircraft's empennage (tail section). It is a technical term. - The engineers inspected the horizontal stabiliser for any damage after the flight. - Pitch stability is primarily provided by the horizontal stabiliser.
Advanced Usage
- Horizontal stabilizer (US English spelling): The American English spelling uses a 'z'.
- The design includes a reinforced horizontal stabilizer.
Variants and Related Words
- Tailplane: A common synonym, especially in British English.
- Horizontal tail: A more general descriptive term.
- Stabilator: A combined horizontal stabiliser and elevator that moves as a single unit.
Synonyms
- Tailplane
- Horizontal tail
Related Phrases/Concepts
- Elevator: The movable control surface attached to the trailing edge of the horizontal stabiliser.
- Vertical stabiliser: The fixed vertical fin of the tail assembly, which provides directional (yaw) stability.
- Empennage: The entire tail assembly of an aircraft, including the horizontal and vertical stabilisers.
Noun
-
the horizontal airfoil of an aircraft's tail assembly that is fixed and to which the elevator is hinged
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