Plain English Meaning
Signs the airplane gives you that it is about to stall — shaking, sloppy controls, mushy response — rather than a horn or light telling you so.
Full Definition
A warning of an impending stall that comes from the airplane itself rather than from a stall warning device. It includes physical cues such as airframe buffet, control buffet (a shaking or stiffening of the controls), and reduced control effectiveness as the wing approaches its critical angle of attack.
Context Anchor
Used during stall recognition and recovery training, including instrument flying, where may need to notice and behavior without relying only on outside .