Originally Posted by
TCAS FAN
From what I recollect the visibility/RVR minima takes into account many factors, including OCA and the length of approach lighting on the landing runway. I suspect that could result in less than 1400 metres.
That’s why I said the figures were an approximation.
The question was why do the big airports still rely on ILS: the answer is lower minima.
I’ve yet to see RNAV approaches be certified for LVPs.