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VMC
29th Aug 2004, 16:37
Given a met vis. from an atis unit, how can you calculate an RVR?

Notso Fantastic
29th Aug 2004, 18:11
Factors are:
HI App & Lndg lights available: Day 1.5/N 2.0
Any other lighting: Day 1/N 1.5
No Lighting: Day 1/N -

Down to CAT 1 ILS minima only.

JABBARA
29th Aug 2004, 18:37
Those above are JAA factors and can also be found on JAR OPS 1 Subpart E, or 600 pages (extractions from Subpart E as AOM) of Jeppesen ATC pages.

idg
30th Aug 2004, 06:09
Agree with the replies but do you need Hi intensity Approach and High intensity landing lights, Or just:

High intensity Approach and standard landing lights?

Notso Fantastic
30th Aug 2004, 12:05
"HI App & Lndg lights available" is what it says you need. If you have HI Lndg lights, then that is an extra. What it says on the box is all that matters!