Cartes-fiches

Angela Kopp
Cartes-fiches 30 Cartes-fiches
Utilisateurs 3 Utilisateurs
Langue English
Niveau Université
Crée / Actualisé 03.12.2015 / 02.09.2018
Attribution de licence Non précisé
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FIR

Flight Information Region

An airspace of defined dimensions within which flight information service and alerting service are provided.

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CTR

Control Zone

A controlled airspace extending upwards from the surface of the earth to a specified upper limit.

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CTA

Control Area

A controlled airspace extending upwards from a specified limit above the earth. (no upper limit per definition)

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TMA

Terminal Control Area

A control area normally established at the confluence of ATS routes in the vicinity of one or more major aerodromes.

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ATS Route

A specified route designed for channeling the flow of traffic as necessary for the provision of air traffic services.

(could mean variously, airway, advisory route, controlled or uncontrolled route, arrival or departure route etc.)

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AWY

Airway

A control area or portion thereof established in the form of a corridor.

(has its own controlled airspace)

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Ceiling

The height above the ground or water of the base of the lowest layer of cloud below 20 000 ft covering more than half the sky.

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Flight Visibility

The visibility forward from the cockpit of an aircraft in flight.

(ability to see and identify, only determined by the pilot)

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Ground Visibility

The visibility at an aerodrome, as reported by an accredited observer.

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Location Indicator

A four-letter code group formulated in accordance with the rules prescribed by ICAO and assigned to the location of an aeronautical fixed station.

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Aeronautical Fixed Station

A station in aeronautical fixed service.

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AFS

Aeronautical Fixed Service

A telecommunication service between specified fixed points provided primarily for the safety of air navigation and for the regular, efficient and economical operation of air traffic.

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AFTN

Aeronautical Fixed Communication Network

A world-wide system of aeronautical fixed circuits provided, as part of the aeronautical fixed service, for the exchange of messages and/or digital data between aeronautical fixed stations having the same or compatible communications characteristics.

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Prohibited Area

An airspace to defined dimensions, above the land areas or territorial waters of a state, within which the flight of aircraft is prohibited.

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Restricted Area

An airspace of defined dimensions, above the land areas or territorial waters of a state, within which the flight of aircraft is restricted in accordance with certain specific conditions.

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Danger Area

An airspace of defined dimensions within which activities dangerous to the flight of aircraft may exist at specific times.

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Level

A generic term relating to the vertical position of an aircraft in flight and meaning variously height, altitude or flight level.

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Height

The vertical distance of a level, a point or an object considered as a point, measured from a specified datum.

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Altitude

The vertical distance of a level, a point or an object considered as a point, measured from mean sea level.

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Elevation

The vertical distance of a point or a level, on or affixed to the surface of the earth, measured from mean sea level.

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Flight Level

A surface of constant atmospheric pressure which is related to a specified pressure datum, 1013,2 hP, and is separated from other such surfaces by specific pressure intervals.

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Transition Altitude

The altitude at or below which the vertical position of an aircraft is controlled by reference to altitudes.

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Transition Level

The lowest flight level available for use above the transition altitude.

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Transition Layer

The airspace between then transision altitude and the transition level.

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ATC Clearence

Authorisation for an aircraft to proceed under conditions specified by an air traffic control unit.

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Clearance Limit

The point to which an aircraft is granted an air traffic control clearance.

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ATC Instructions

Directives issued by air traffic control for the purpose of requiring a pilot to take a specific action.

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Holding Fix

A geographical location, identified by visual or other means that serves as a reference for a holding procedure.

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Holding Procedure

A predetermined manoeuvre which keeps an aircraft within a specified airspace whilst awaiting further clearance.

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Separation

Spacing between aircraft, levels or tracks.