United Kingdom
In relation to an aerodrome, the vertical distance from the elevation of the aerodrome to the lowest part of any cloud visible from the aerodrome which is sufficient to obscure more than one half of the sky so visible.
Read more about this topic: Ceiling (cloud)
Famous quotes containing the words united and/or kingdom:
“Emblem: the carapace of the great crowned snail is painted with all the flags of the United Nations.”
—Mason Cooley (b. 1927)
“...the kingdom of God depends not on talk but on power.”
—Bible: New Testament, 1 Corinthians 4:20.