Dictionary
Aviation Dictionary
Glidepath Angle (GPA)
Definitions
- The angular displacement of the vertical guidance path from a horizontal plane that passes through the reference datum point (RDP). This angle is published on approach charts (e.g., 3.00°, 3.20°, etc.). GPA is sometimes referred to as vertical path angle (VPA).
References
-
Instrument Procedures Handbook by Federal Aviation Administration (2017)