Visual Meteorological Conditions (VMC)
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Visual Meteorological Conditions
Visual meteorological conditions (VMC) are the meteorological conditions expressed in terms of visibility, distance from cloud, and ceiling equal to or better than specified minima. (ICAO Annex 2: Rules of the Air)
VMC are detailed in ICAO Annex 2. Essentially, they are:
- When above 3,000ft or 1,000ft above terrain, whichever is higher:
- 1500m horizontally and 1,000 ft vertically from cloud;
- Flight visibility 5km below 10,000ft and 8km above 10,000 ft.
- When below 3,000 ft or 1,000 ft above terrain, whichever is higher:
- Clear of cloud and in sight of the surface;
- Flight visibility 5km.