Assertion: airspace | /r/MadeOf | a surface area
Facets:
value: with a five nm radius
type: OTHER
value: usually
type: TEMPORAL
Source sentences:
text: Although the configuration of each Class C area is individually tailored, the airspace usually consists of a surface area with a five NM radius, an outer circle with a ten NM radius that extends from 1,200 feet to 4,000 feet above the airport elevation, and an outer area.