Page 23 - GEN - 2025

Control Area. A controlled airspace extending upwards from a specified limit

above the surface of the earth.

Controlled airspace. An airspace of defined dimensions within which air traffic

control service is provided for controlled flights.
Control Zone. A controlled airspace extending upwards from the surface to a

specified upper level

Estimated time of arrival (ETA). The time at which the pilot estimates that the

aircraft will be over a specified location.
Expected approach time (EAT). The time at which ATC expects that an arriving

aircraft, following a delay will arrive at the holding point to complete its

approach for a landing.

Flight plan. Specified information provided to air traffic services units, relative
to an intended flight or path of a flight of an aircraft.

Heading. The direction in which the longitudinal axis of an aircraft is pointed,

usually expressed in degrees North (true, magnetic, compass or grid).

Holding Point. A specified location, identified by visual or other means, in the

vicinity of which the point of an aircraft in flight is maintained in accordance
with air traffic control clearances.

Holding procedure. A predetermined maneuver which keeps an aircraft which

a specified airspace whilst awaiting further clearance.

IFR flight. A flight conducted in accordance with instrument flight rules.

Instrument meteorological conditions. Meteorological conditions expressed in
terms of visibility, distance, cloud and ceiling, less than the minima specified

for visual meteorological conditions.

Level. A generic term relating to the vertical position of an aircraft in flight and

meaning variously, height or flight level.
Maneuvering area. That part of an aerodrome to be used for the take-off, landing

and taxiing of an aircraft excluding aprons.

Missed approach procedure. The procedure to be followed if the approach

cannot be continued.
Movement area. That part of the aerodrome to be used for the take-off,

landing and taxiing of aircraft, on the maneuvering area and the apron(s).

GEN radio 2025 - Midtjysk Flyveskole 23