Plain English Meaning
A radio station on the ground that lets a pilot work out which direction they are from it, and fly toward or away from it along a chosen line.
Full Definition
A ground-based radio navigation aid that transmits signals on VHF frequencies (108.0–117.95 MHz), allowing a properly equipped aircraft to determine its bearing to or from the station along any of 360 selectable courses called radials. VORs form the backbone of the federal airway system and are also used to broadcast voice services such as weather advisories.
Context Anchor
Pilots encounter VORs on , in , and in - discussions such as HIWAS .