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) ...
French investigators have determined that confusion in locating a VOR radial led the crew of a navaid calibration aircraft to stray twice into close proximity with a separate calibration flight in the ...