Which term describes the best visibility over more than half the horizon?

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Multiple Choice

Which term describes the best visibility over more than half the horizon?

Prevailing visibility is the greatest horizontal visibility observed for at least half the horizon during the observation period. It captures what can be seen over the majority of the sky, even if there are patches of fog or precipitation elsewhere, making it the best way to describe “the best visibility over more than half the horizon.” Other terms aren’t standard aviation descriptors for this concept, so prevailing visibility is the correct choice.

Prevailing visibility is the greatest horizontal visibility observed for at least half the horizon during the observation period. It captures what can be seen over the majority of the sky, even if there are patches of fog or precipitation elsewhere, making it the best way to describe “the best visibility over more than half the horizon.” Other terms aren’t standard aviation descriptors for this concept, so prevailing visibility is the correct choice.

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