‘navaid equipment’ means a physical navaid equipment placed on the Earth surface, like Very High Frequency Omnidirectional Radio Range (VOR), Distance Measuring Equipment (DME), localizer, Tactical Air Navigation Beacon (TACAN) etc., which help in guiding aircraft traffic safely through existing air routes,
— „Navigationshilfen (Navaids)“: auf der Erde stationierte physische Anlagen zur Navigationshilfe wie etwa Very High Frequency Omnidirectional Radio Range (VOR), Distance Measuring Equipment (DME), Instrumentenlandesysteme („Localizer“), Tactical Air Navigation Beacon (TACAN) usw., die eine sichere Navigation des Luftverkehrs auf bestehenden Flugrouten unterstützen.