Vaisala AviMet® Runway Visual Range System (RVR) Vaisala VietNam ANS VietNam

The Vaisala AviMet® Runway Visual Range System (RVR) is a fully automated runway visual range assessment and reporting system for airports. It provides calculated estimation of the distance a pilot can see down a runway. Prevailing weather conditions (e.g. fog, rain, snow, etc.) have the most impact on RVR, but ambient light levels and runway light settings are also an important part of the equation.

The Vaisala AviMet® RVR system is fully configurable to cover airport needs of all ICAO categories from CAT I to CAT III.

Vaisala VietNam ANS VietNam AviMet® Runway Visual Range System (RVR)  measures meteorological optical range, background luminance and runway light setting

    Vaisala AviMet® RVR measures meteorological optical range, background luminance and runway light setting and calculates runway visual range according to ICAO Annex 3.

    the RVR values and alarms can be shown on the ATC displays and distributed to PC's, chart recorders and other digital displays. The reporting format of the RVR values is ICAO compliant and the values can be used in METAR and MET REPORTs. Feature and benefits:

    • Fully automated RVR assessment and reporting
    • Stand-alone system or an integral part of AWOS
    • Compatible with CATI, CATII or III airports
    • Flexible and scalable to meet any airports' configuration needs
    • ICAO compliant reporting format


    Vaisala AviMet® Runway Visual Range System comprises a visibility sensor, a background luminance meter and a computer that calculates the RVR values. The visibility sensor is offered in two forms: transmissometer or forward scatter meter. The RVR computer collects the visibility data the background luminance data and runway light setting data. Based on this data, it calculates the RVR values. RVR messages and alarms are distributed to output devices.

    Vaisala AviMet® RVR is designed to interface with various output communication formats and to meet various communication standards and conventions. Furthermore, the data outputs are transmitted accurately via various communication media.

    AviMet® RVR is part of the AviMet® technology platform. Other major systems based on the platform are: Vaisala AviMet® Low-Level Windshear Alert System (LLWAS) and Vaisala AviMet® Automated Weather Observing System (AWOS). Each of these can be easily and fully integrated together.



    Vaisala is committed to maintaining the productivity of our customers' investment. We are engaged from the beginning of your investment planning through the life-cycle of the operations.

    With our comprehensive range of services we can actively maintain and support your system, provide fast access to technical support and spare parts, and ensure that safety and high service standards are met.

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