Plain English Meaning

The slope of the descent path you fly on final approach to landing, expressed as the angle it makes with the ground. A typical value is about 3 degrees — a gentle, steady descent toward the runway.

Full Definition

The angle, measured in degrees above the horizontal, of the descent path used by an aircraft on a precision approach to the runway. On a Precision Approach Radar (PAR) approach, the controller provides guidance relative to this published angle, typically around 2.5 to 3 degrees.

Context Anchor

Seen when briefing or flying a precision approach, including a PAR approach where the controller gives .