InstrumentLandingSystem


             urn:aero:airm:1.0.0:ConceptualModel:Subjects:BaseInfrastructure:NavigationInfrastructure:InstrumentLandingSystem

A combination of radio navigation services intended to facilitate aircraft in landing by providing lateral and vertical guidance including indications of distance from the optimum point of landing.

Source: EUROCONTROL ATM Lexicon,
Abbreviations: ILS