| 释义 | ground point of intercept
 ground point of intercept[′grau̇nd ‚pȯint əv ′in·tər‚sept]  (navigation) 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. AcronymsSeeGPI |