scope:

Purpose. This Part establishes the description of the Runway Visual Range (RVR) System, and the general requirements applicable to each component or subsystem, unless specifically stated otherwise in other Parts of this specification.

This specification contains the FAA requirements for the design, production, testing and evaluation of a Runway Visual Range System for aviation usage. The RVR System consists of visibility sensors, an ambient light sensor, runway light intensity monitors, a processor with associated software/firmware, digital data distribution links, displays, a maintenance terminal and a built in remote maintenance monitoring capability.