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Clearance (see Air Traffic Control Clearance) (I)
Cleared Flight Level (CFL) is the flight level at or to which an aircraft is authorised to proceed under conditions specified by an ATC unit.
Conditional Route (CDR) is an ATS route or a portion thereof which can be planned and used under certain specified conditions.
CDRs can be divided into different categories according to their flight-planning possibilities and the expected level of activity of the possible associated TSAs/TRAs. A CDR can be established in one or more of the three following categories:
a) Category One -Permanently Plannable CDR,
b) Category Two -Non-Permanently Plannable CDR, and
c) Category Three -Not Plannable CDR.
Conditional Route Availability Message (CRAM) is a special consolidated ASM message issued daily by the CADF to promulgate in one message, on behalf of ECAC States, the AMC decisions on Conditional Routes (CDRs) availability notified by the AUPs for all the ECAC area. The CRAM is used by Aircraft Operators for flight planning purposes.
Control Area (CTA) is a controlled airspace extending upwards from a specified limit above the earth. (I)
Control Zone (CTR) is a controlled airspace extending upwards from the surface of the earth to a specified upper limit. (I)
Controlled Airspace is an airspace of defined dimensions within which air traffic control services are provided to IFR flights and to VFR flights in accordance with the airspace classification. (I)
Controlled Airspace is a generic term, which covers ATS airspace classes A, B, C, D & E
Controlled Airspace includes Control Area (CTA), Terminal Control Area (TMA),
Airway (AWY) and Control Zone (CTR). (I)
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Controlled Flight is any flight, which is subject to an ATC clearance. (I)
Controller’s Intentions are updated flight data, which shall be exchanged, as laid down in LoAs, either simultaneously with or before, the corresponding ATC clearance is issued.
Cross-Border Area (CBA) is a Temporary Segregated Area established over international boundaries for specific operational requirements.
Current Flight Plan (CPL) is the flight plan, including changes, if any, brought about by subsequent clearances. (I)
When the word “message” is used as a suffix to this term, it denotes the content and format of the current flight plan data sent from one unit to another. (I)
D
Danger Area (D) is an airspace of defined dimensions within which activities dangerous to the flight of aircraft may exist at specified times. (I)
In the context of the FUA Concept, some Danger Areas subject to management and allocation at Level 2 are established at Level 1 as “AMC-manageable areas” and identified as such in AIP.
E
En-Route Phase is that part of the flight from the end of the take-off and initial climb phase to the commencement of the approach and landing phase or more generally the portion of a flight excluding the airport phases. (I)
F
Filed Flight Plan (FPL) is the flight plan as filed with an ATS unit by the pilot or a designated representative, without any subsequent changes. (I)
When the word “message” is used as a suffix to this term, it denotes the content and format of the filed flight plan data as transmitted. (I)
Flexible Use of Airspace (FUA) Concept is based on the fundamental principle that airspace should not be designated as either pure civil or military airspace, but rather be considered as one continuum in which all user requirements have to be accommodated to the extent possible.
Flight Information Region (FIR) is an airspace of defined dimensions within which flight information service and alerting service are provided. (I)
Flight Management System (FMS) is an integrated system, consisting of airborne sensor, receiver and computer with both navigation and aircraft performance data bases, which provides performance and RNAV guidance to a display and automatic flight control system.
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本文链接地址：EUROCONTROL MANUAL FOR AIRSPACE PLANNING 2(140)
