Where is the glideslope antenna located?
Where is the glideslope antenna located? Glideslope. The glideslope provides vertical guidance, and the antenna is typically located 750 to 1250 feet down the runway, and 400 to 600 feet from the side of a runway's centerline. You can usually find the glideslope shed next to the runway's aim point markers.
Does RNAV use glideslope?
On the other hand, due to some technical differences that are immaterial to pilots, most RNAV (GPS) approaches with WAAS have an electronic glideslope and are referred to as APV (approaches with vertical guidance). For practical purposes, APV approaches are flown similarly to an ILS.
Do all airports have ILS?
ILS Categories ILS's aren't available at all airports and some airports have other navigation aids available to help guide the aircraft.