On 2017-04-03, Tauno Voipio  wrote:

> On 3.4.17 20:59, Charlie Gibbs wrote:
>
>> The one that keeps me scratching my head is the way visibilities
>> are reported in statute miles, while everything else is in
>> nautical miles.
>
> On this side of the Pond, the visibilities are in meters or
> kilometers, lately been here around 500 m.

Maybe ICAO left that one up to individual countries.  Runway
visual range (RVR) is measured in feet here (up to 6000),
with rough conversions to statute miles as required, e.g.
an RVR of 2400 feet corresponds to a visibility of 1/2sm, etc.

> Vertical visibility is still feet, ILS CAT1 limit is 200 ft and
> CAT2 is 100 ft.

Same here.

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