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Visual meteorological conditions
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=== Controlled airspace (classes C to E) By Day === At and above FL 100: :8 km flight visibility, 1,500 m horizontally from cloud, 1,000 ft (300m) vertically from cloud Below FL 100: :5 km flight visibility, 1,500 m horizontally from cloud, 1,000 ft (300m) vertically from cloud Alternatively at or below 3,000 and operating at 140kt or less ft: :For helicopters: ::Clear of cloud and in sight of surface with a flight visibility of 1500m
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