Which sky conditions count as ceilings in aviation meteorology?

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Multiple Choice

Which sky conditions count as ceilings in aviation meteorology?

In aviation meteorology, the ceiling is defined as the lowest cloud layer that covers at least half the sky, or the vertical visibility when the sky is completely obscured. That means broken (BKN) and overcast (OVC) clouds count as ceilings, and when the sky is obscured so you can’t see the horizon, vertical visibility is also considered the ceiling height. Scattered (SCT) or few (FEW) clouds don’t meet the 5/8 to 8/8 coverage needed to form a ceiling, so they don’t count. Therefore the conditions that count as ceilings are broken, overcast, and vertical visibility.

In aviation meteorology, the ceiling is defined as the lowest cloud layer that covers at least half the sky, or the vertical visibility when the sky is completely obscured. That means broken (BKN) and overcast (OVC) clouds count as ceilings, and when the sky is obscured so you can’t see the horizon, vertical visibility is also considered the ceiling height. Scattered (SCT) or few (FEW) clouds don’t meet the 5/8 to 8/8 coverage needed to form a ceiling, so they don’t count. Therefore the conditions that count as ceilings are broken, overcast, and vertical visibility.

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