Originally Posted by
wiggy
Ah, having read the above is the “grey area”/the confusion down to the way the Ops manual is written/semantics? For some approaches the “controlling” minima will be a vis....for others it will be an controlling RVR...however the way the manual has been written has conflated
the two.
Also, some airports, generally smaller ones don’t have RVR equipment or the RVR equipment may be out of service! Above mentioned rule in the manual covers that situation. EASA covers that by allowing conversion, I’m not sure FAA regulations have the same rule.