Plain English Meaning

How far you can see down a particular runway, measured by an instrument beside it and given in miles. When this value is available, it is used instead of the airport's general visibility figure for that runway.

Full Definition

Runway visibility value (RVV) is the visibility determined for a specific runway by a transmissometer, expressed in statute miles or fractions of statute miles. It represents the horizontal distance a pilot can see down the runway and, when reported, is used in place of prevailing visibility for determining minimums on that runway.

Context Anchor

Seen in instrument approach and landing discussions when weather is low and must know whether the has enough visibility for the .