VisualNavigationAid


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

Any visual system which provides information to be used by the pilot or aircraft navigation systems for position determination or flight path guidance.

Source: ICAO Doc 9294,

Related:
is implemented at Aerodrome
may be implemented at Heliport