Very High Frequency Omni-Directional Range (VOR) stations are ground-based radio beacons that have historically guided aircraft navigation since the 1930s by transmitting signals that allow aircraft ...
Pilots can approach St. Louis via two VORs: STL and TOY, each with a designated radial for approach. The STL VOR approach uses the R-194 radial, while the TOY VOR approach uses the R-261 radial (NoPT) ...