ground point of intercept
Also found in: Acronyms.
ground point of intercept[′grau̇nd ‚pȯint əv ′in·tər‚sept]
In terminal approach procedures, a point in the vertical plane on the runway center line by which it is assumed that the straight-line extension of the slide slope intercepts the runway approach surface base line. Abbreviated as GPI.
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.