What does the Runway Visual Range (RVR) value indicate?

The Runway Visual Range (RVR) value is a crucial measurement in aviation that indicates the horizontal distance a pilot can see down the runway. This measurement is essential for assessing runway visibility conditions, especially during low visibility scenarios such as fog, rain, or snow, which can significantly impact the approach and landing phases of flight.

RVR is typically reported in meters or feet and plays a key role in determining whether a landing can be safely conducted and under what conditions. The value helps pilots make informed decisions about approach and landing procedures, including whether or not to execute a go-around if visibility is insufficient.

This understanding of RVR helps ensure safety during landing operations, aligning with stringent aviation regulations regarding visibility requirements for different types of approaches.