tailplane
Noun: 1. A fixed horizontal airfoil forming part of the tail assembly of an aircraft: The tailplane is a wing-like surface, typically located at the rear of the fuselage. Its primary function is to provide longitudinal (pitch) stability, helping to keep the aircraft's nose at a steady angle relative to the airflow. The movable control surface called the elevator is attached to its trailing edge.
The term "tailplane" is used specifically in aviation to describe a key structural and aerodynamic component of an aircraft's empennage (tail section). It is a technical term common in engineering, piloting, and maintenance contexts. * The design of the tailplane is crucial for the aircraft's stability in flight. * During the inspection, the engineer checked the tailplane for any signs of damage. * In most aircraft configurations, the tailplane is positioned at the rear of the fuselage.
- "All-moving tailplane" or "Stabilator": A type of tailplane where the entire horizontal surface moves as one unit to control pitch, instead of having a separate fixed surface and a movable elevator. This design is common on high-performance and military jets.
- The fighter jet uses an all-moving tailplane for more responsive pitch control.
- Horizontal Stabilizer: This is the most common synonym for "tailplane" in American English and general aviation terminology. The two terms are often used interchangeably.
- Empennage: A broader term referring to the entire tail assembly of an aircraft, which includes the tailplane/horizontal stabilizer, the fin/vertical stabilizer, and the associated control surfaces (elevator, rudder).
- Elevator: The hinged control surface attached to the trailing edge of the tailplane. The pilot moves the elevator to make the aircraft pitch up or down.
- Horizontal stabilizer
- Horizontal tail surface
- Fin / Vertical Stabilizer: The vertical airfoil at the rear of an aircraft that provides directional (yaw) stability. It is the vertical counterpart to the horizontal tailplane.
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the horizontal airfoil of an aircraft's tail assembly that is fixed and to which the elevator is hinged
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