Originally Posted by PSA help

A typical question would be "what is the lowest RVR that you can take off of runway 36C?"



Look at the back of the 10-9 and you will see that it is 500 if the HIRL and CL are working.



Although we can go as low as 500', some runways do not allow it. If they don't have centerline lights for example, the required RVR is much greater.