Definitions for "Control zone"
Keywords:  airspace, ctr, airport, aae, zurich
A controlled airspace of defined dimensions extending upwards from the surface of the earth up to and including 3000 ft AAE unless otherwise specified. abbreviation: CZ Fr: zone de contrôle
A portion of the working zone of a piece of thermal processing equipment having a separate sensor/instrument/heat input or output mechanism to control its temperature.
Airspace extending upward from the surface of the earth which may include one or more airports and is normally a circular area of five statute miles in radius with extensions where necessary to include instrument approach and departure paths.
The area between an unguarded edge of a building or structure and a line which is set back a safe distance.