PPRuNe Forums - Conditions to start an instrument approach?

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Adam S

25th Oct 2018 09:08

Conditions to start an instrument approach?

What conditions must be met in order to be able to start an instrument approach?
Cloud base? Vis? RVR?

Thank you

Jolax

25th Oct 2018 10:02

An instrument approach may be commenced regardless of the reported RVR/visibility.
if the reported RVR/visibility is less than the applicable minimum, the approach shall not be continued:
-below 1000ft AGL
-into the final segment if the DA/MDA (H) is more than 1000ft AGL.

uncle dickie

25th Oct 2018 12:45

And perhaps stating the obvious, ATC approval for the procedural approach as well.
From a practical point of view, unless there is reasonable expectation of a successful approach you wait until the RVR is at or above your minima, otherwise you are wasting fuel.

Adam S

27th Oct 2018 17:03

Thank you!

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