Originally Posted by
Rivet Joint
Sounds like win win. Begs the question why the bigger airports stick with ILS though?
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ILS has lower minima (including CAT 3 autoland). If the bigger airports relied solely on RNAV approaches then no one would land when visibility went below 1400M or cloud ceiling was below 700’. CAT 1 ILS approaches can be carried out in 550M visibility and 200’ cloud ceiling.
*these figures are an approximation and vary according to location and aircraft/aircrew.