ATSC 113 Flying Midterm Possible Questions
Which of the following conditions satisfy the conditions of a “ceiling” for aviation? Answer: Cloud-base height is 15,000 ft AGL and cloud coverage is 5 oktas. For aviation, the altitude of cloud base for the lowest cloud with coverage ≥ 5 oktas (i.e. lowest broken or overcast clouds) is considered the ceiling According to the International Civil Aviation Organization (ICAO), the ceiling is the height above ground level (AGL) of the lowest cloud base (bottom of the cloud) that is below 20,000 ft (6,000 m) that is covering MORE than half the sky (i.e. cloud coverage the amount is 5/8 or greater; namely, is either "broken" or "overcast"). Ceilings are reported as a height, e.g. the ceiling is 500 feet above ground level.
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