GROUND PROXIMITY WARNING SYSTEM HAVING MODIFIED TERRAIN CLOSURE RATE WARNING ON GLIDE SLOPE APPROACH

摘要

GROUND PROXIMITY WARNING SYSTEMHAVING MODIFIED TERRAINCLOSURE RATE WARNING ON GLIDE SLOPE APPROACHAbstract of the DisclosureAn aircraft ground proximity warning systemhaving an excessive terrain closure warning mode anda below glide slope warning mode monitors the glideslope signal and modifies the terrain closure warningenvelope to accept a lesser terrain clearance whenthe aircraft is within the glide slope beam.