Definition
The hinge axis on the rear fuselage about which a stabilator (a one-piece, all-moving horizontal tail surface) rotates as a unit when the pilot moves the control yoke or stick to change pitch.
Plain English
The fixed point where the whole horizontal tail is attached so it can swing up and down as one piece. Move the yoke and the entire surface tilts around this point to change the airplane's pitch.
Context Anchor
Seen in diagrams and preflight discussions of stabilator-equipped airplanes, especially around the tail section.
Derivation
Pivot comes from Old French 'pivot,' meaning the pin or short shaft on which something turns. The 'pivot point' is simply the place where rotation happens — useful here because the stabilator does not bend or hinge a trailing piece; the entire surface rotates around this single line.
Why Pilots Care
The location and condition of this point determine how smoothly and effectively pitch inputs are transmitted to the aircraft.
Analogy
A door turns on its hinges. A stabilator turns around its pivot point in a similar way, though it is built for aircraft control loads rather than opening and closing.
Grounding Statement
Picture standing at the tail and gently moving the stabilator up and down; the pivot point is the line or location it turns around.
Intuition Check
Do not think of the pivot point as the whole stabilator. It is the specific place or line where the stabilator rotates.
Example Sentence 1
On the Cherokee, the entire horizontal tail rotates about the stabilator pivot point when the pilot pulls back on the yoke.
Example Sentence 2
A worn stabilator pivot point can cause sloppy pitch response or binding when the pilot moves the control yoke.