Plain English Meaning

The strip of numbers on a glass cockpit screen that shows how fast the airplane is flying through the air. The numbers slide past a marker as the speed goes up or down.

Full Definition

A vertical, moving-scale display of indicated airspeed shown on an electronic flight instrument or primary flight display. Numbers scroll up or down past a fixed pointer or reference line as airspeed changes, with color-coded bands marking flap operating range, normal range, caution range, and never-exceed speed.

Context Anchor

Seen on a primary flight display in airplanes with electronic instruments, including when checking airspeed during abnormal or situations.