visibility and rvr
hello !
maybe you can help to clarify the question if the visibility or the rvr is crucial for a decision to perform a flight or not when both is stated in the metar ?
as we all know in CAT I you need 800 meter vis or 550 meter RVR ( jar ops) and currently you often have metar reports with a vis of lets say only 150 but simultany a rvr of 700 . is it legal to land under such conditions opertaing CAT I ?
i would say yes since the rvr is crucial and vis becomes only interesting when the airport does not give a rvr- but since i heared also opinions that no because you need 800 meter vis AND 550 rvr instead 800 meter vis OR 550 rvr i would like to hear what you think.
thanks in advance !