55 terms

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Aerodrome
A defined area on land or water (including any buildings, installations and equipment) intended to be used either wholly or in part of the arrival, departure and surface movement of aircraft
Aerodrome control service
Air traffic control service for aerodrome traffic
Aerodrome control tower
A unit established to provide air traffic control service to aerodrome traffic
Aerodrome traffic
All traffic on the manoeuvring area of an aerodrome and all aircraft flying in the vicinity of an aerodrome
Aeronautical Information Publication AIP
A publication issued by or with the authority of a State and containing aeronautical information of a lasting character essential to air navigation
Aeroplane
A power-driven heavier-than-air aircraft, deriving its lift in flight chiefly from aerodynamic reactions on surfaces which remain fixed under given conditions of flight
Air traffic advisory service
A service provided within advisory airspace to ensure separation, in so far as practical, between aircraft which are operating on IFR flight plans
Air traffic control clearance
Authorization for an aircraft to proceed under conditions specified by an air traffic control unit
Air traffic control service
A service provided for the purpose of: a) preventing collisions; 1) between aircraft and 2) on the manouvering area between aircraft and obstructions and, b) expediting and maintaining an orderly flow of air traffic
Airway
A control area or portion thereof established in the form of a corridor
Alerting service
A service provided to notify appropriate organizations regarding aircraft in need of search and rescue aid and assist such organizations as required
Approch control service
Air traffic control service for arriving and departing controlled flights
Approch control unit
A unit established to provide air traffic control service to controlled flights arriving at, or departing from one or more aerodromes.
Appropriate ATS authority
The relevant authority designated by the State responsible for providing air traffic services in the airspace concerned
Apron
A defined area, on a land areodrome, intended to accomodate aircraft for purposes of loading or unloading passengers, mail or cargo, fuelling, parking or maintenance
Area control center
A unit established to provide air traffic control service to controlled flights in control areas undir its jurisdiction
Area control service
Air traffic control service for controlled flights in controled areas
Clearance limit
The point to which an aircraft is granted an air traffic control clearance
Control area
A controlled airspace extending upwards from a specified limit above the earth
Controlled aerodrome
An aerodrome at which air traffic control service is provided to aerodrome traffic
Controlled airspace
An airspace of defined dimensions within which air traffic control service is provided in accordance with the airspace classification
Controlled flight
Any flight which is subject to an air traffic control clearance
Control zone
A controlled airspace extending upwards from the surface of the earth to a specified upper limit
Current flight plan
The flight plan, including changes, if any, brought about by subsequent clearances
Danger area
An airspace of defined dimensions within which activities dangerous to the flight of aircraft may exist at specified times
Estimated off-block time
The estimated time at which the aircraft will commence movement associated with departure
Estimated time of arrival
For IFR flights, the time at which it is estimated that the aircraft will arrive over that designated point, defined by reference to navigation aids, from which it is intended that an instrument approach procedure will be commenced, or, if no navigation aid is associated with the aerodrome, the time at which the aircraft will arrive over the aerodrome. For VFR flights, the time at which it is estimated that the aircraft will arrive over the aerodrome.
Expected approach time
The time at which ATC expects that an arriving aircraft, following a delay, will leave the holding fix to complete its approach for landing
Filed flight plan
The flight plan as filed with an ATS unit by the pilot or a designated representative, without any subsequent change
Controlled flights
Any flights which is subjected to an air traffic control clearance
Control zone
A controlled airspace extending upwards from the surface of the earth to a specified upper limit
Current flight plan
The flight plan, including changes, if any, brought about by subsequent clearances
Danger area
An airspace of defined dimensions within which activities dangerous to the flight of aircraft may exist at specified times.
Estimated off-block time
The estimated time at which the aircraft will commence movement associated with departure
Estimated time of arrival
For IFR flights, the time at which it is estimated that the aircraft will arrive over that designated point, defined by reference to navigation aids, from which it is intended that an instrumen approach procedure will be commenced, or if no navigation aid is associated with the aerodrome.
For WVFR flights, the time at which it is estimated that the aircraft will arrive over the aerodrome.
Expected approach time
The time at which ATC expects that an arriving aircraft, following a delay, will leave the holding fix to complete its approach for a landing.
Filed flight plan
The flight plan as filed with an ATS unit by the pilot or a designated representative without any subsequent changes.
Flight information region
An airspace of defined dimensions within which flight information service and alerting service are provided
Flight information service
A service provided for the purpose of giving advice and information useful for the safe and efficient conduct of flights
Flight plan
Specified information provided to air traffic service units, relative to an intended flight or portion of a flight of an aircraft
IFR
The symbol used to designate the instrument flight rules
IFR flight
A flight conducted in accordance with the instrument flight rules
IMC
the symbol used to designated instrument meteorological conditions
Instrumental meteorological conditions
Meteorological conditions expressed in terms of visibility, distance from cloud, and ceiling, less than the minima specified for visual meteorological conditions
Manoeuvring area
That part of an aerodrome to be used for the take-off, landing and taxiing of aircraft, excluding aprons
Movement area
That part of an aerodrome to be used for the take-off, landing and taxiing of aircraft, consisting of the manoeuvring area and apron(s)
Prohibited area
An airpsace of defined dimensions, above the land areas or territorial waters of a State, within which the flight of aircraft is prohibited
Restricted area
An airspace of defined dimensions, above the land area or territorial waters of a State, within which the flight of aircraft is restricted in accordance with certain specified conditions.
Runway
A defined rectangular area on a land aerodrome prepared for the landing and take-off of aircraft.
Special VFR flight
A VFR flight cleared by air traffic control to operate within a control zone in meteorological conditions below VMC
Traffic information
Information issued by an air traffic service unit to alert a pilot ot other known or observed air traffic which may be in proximity to the other position or intended route of flight and to help the pilot avoid a collision
VFR
The symbol used to designate the visual flight rules (Sjónflug)
VFR flight
A flight conducted in accordance with the visual flight rules
Visual meteorological conditions
Meteorological conditions expressed in terms of visibility, distance from cloud, and ceiling, equal to or better than specivfied minima
VMC
The symbol used to designate visual meteorological conditions.