RunwayVisualRange
European Supplement
urn:aero:ses:eurocontrol:airm:1.0.0:ContextualModel:ATMBusinessTerms:WMO:RunwayVisualRange
(Abbreviated RVR) The range [distance] over which the pilot of an aircraft on the center line of a runway can see the runway surface markings or the lights delineating the runway or identifying its center line.
Source:
WMO METeorological Community Exchange (METCE)