radiophare omnidirectionnel VHF [ VOR,V.O.R. | radiophare d'alignement omnidirectionnel VHF ]
very high frequency omnidirectional radio range [ VOR | VHF omnidirectional radio range | very high-frequency omnidirectional range | very high-frequency omnidirectional radio range beacon | VHF omnirange | VHF omnidirectional range ]
Radar, radioguidage et radiogoniométrie | Aides à la navigation aérienne
Radar, Radio Guidance and Goniometry | Air Navigation Aids