CAP 413 Radiotelephony Manual
Chapter 1 Page 1
Chapter 1 Glossary
1 Terms
1.1 Definitions
Advisory Area A designated area where air traffic advisory service is available.
Advisory Route A designated route along which air traffic advisory service is
available (ICAO).
Aerodrome Any area of land or water designed, equipped, set apart or commonly
used for affording facilities for the landing and departure of aircraft and includes any
area or space, whether on the ground, on the roof of a building or elsewhere, which
is designed, equipped or set apart for affording facilities for the landing and departure
of aircraft capable of descending or climbing vertically, but shall not include any area
the use of which for affording facilities for the landing and departure of aircraft has
been abandoned and has not been resumed (ANO).
Aerodrome Control Service Air traffic control service for aerodrome traffic.
Commission Regulation (EC) 549/2004.
Aerodrome Flight Information Service (AFIS) A flight information service provided
to aerodrome traffic.
Aerodrome Operating Minima In relation to the operation of an aircraft at an
aerodrome means the cloud ceiling and runway visual range for take-off, and the
decision height or minimum descent height, runway visual range and visual reference
for landing, which are the minimum for the operation of that aircraft at that aerodrome
(ANO).
Aerodrome Traffic All traffic on the manoeuvring area of an aerodrome and all
aircraft flying in the vicinity of an aerodrome (ICAO).
Aerodrome Traffic Zone Has the meaning assigned to it by Article 156, ANO 2005.
Aeronautical Mobile Service A mobile service between aeronautical stations and
aircraft stations, or between aircraft stations, in which survival craft stations may
participate; emergency position-indicating radio beacon stations may also participate
in this service on designated distress and emergency frequencies (ICAO).
Aeronautical Station A land station in the aeronautical mobile service. In certain
instances, an aeronautical station may be located, for example, on board ship or on a
platform at sea (ICAO).
Airborne Collision Avoidance System (ACAS) An aircraft system based on SSR
transponder signals which operates independently of groundbased equipment to
provide advice to the pilot on potential conflicting aircraft that are equipped with SSR
transponders.
Aircraft Station A mobile station in the aeronautical mobile service on board an
aircraft.
Air-ground Communications Two-way communication between aircraft and
stations or locations on the surface of the earth (ICAO).
17 November 2011
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