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:
“In the United States, though power corrupts, the expectation of power paralyzes.”
—John Kenneth Galbraith (b. 1908)
“Women, more than all, are the element and kingdom of illusion. Being fascinated, they fascinate.”
—Ralph Waldo Emerson (18031882)