Visual Approaches in Mountainous Terrain
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Visual Approaches in Mountainous Terrain
I am looking for an ICAO reference/ definition of "mountainous terrain" or "mountainous region" for aircraft operations. I would like to have an understanding of the criteria they use to define these areas, rather than a map or geographical coordinates. Thanks.
From ICAO DOC 8168-OPS/611 Volume II Part I Chapter I
MOUNTAINOUS AREA. An area of changing terrain profile where the changes of terrain elevation exceed 900m (3000ft) within a distance of 18.5km (10NM)
MOUNTAINOUS AREA. An area of changing terrain profile where the changes of terrain elevation exceed 900m (3000ft) within a distance of 18.5km (10NM)
