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runway visibility value
avia., amer.	In respect of a runway, the maximum horizontal distance in feet for the direction of takeoff or landing, as measured by an automated visual landing distance system and reported by an ATC unit or an FSS, at which the runway, or the lights or markers delineating it, can be seen from a point above its centreline at a height corresponding to the average eye level of pilots at touchdown
Runway Visibility Value
abbr., scottish	RVV
aeron., abbr.	RW

runway: 6 phrases in 3 subjects

Abbreviation	3
Aviation	1
Transport	2