Glossary of Terms
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Aerodrome reference point
Aerodrome reference point. The designated geographical location of an aerodrome.
Aerodrome traffic density
Aerodrome traffic density.
Aeronautical beacon. An aeronautical ground light visible at all azimuths, either continuously or intermittently, to designate a
Aeronautical chart. A representation of a portion of the Earth, its culture and relief, specifically designated to meet the
Aeronautical ground light
Aeronautical ground light. Any light specially provided as an aid to air navigation, other than a light displayed on an aircraft.
Aeronautical operational control
Aeronautical operational control (AOC). Communication required for the exercise of authority over the initiation, continuation,
Aeroplane reference field length
Aeroplane reference field length. The minimum field length required for take-off at maximum certificated take-off mass, sea
Aircraft earth station (AES). A mobile earth station in the aeronautical mobile-satellite service located on board an aircraft
Ground earth station (GES). An earth station in the fixed satellite service, or, in some cases, in the aeronautical
Note.— This definition is used in the ITU’s Radio Regulations under the term “aeronautical earth station”. The
Afterburning. A mode of engine operation wherein a combustion system fed (in whole or part) by vitiated air is used.