FullDescription:Demand/capacity balancing

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Air traffic demand

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Term air traffic demand
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Definition

The amount of flight operations in a given time period and related to a given area, route, location or service.

Definition Source

ICAO Doc 4444, Chapter 3

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Airport Arrival Slot

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Term Airport Arrival Slot
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Airport Departure Slot

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Abbreviation

ASLT

Definition

The permission given to an aircraft operator by an airport slot coordinator in accordance with Regulation 95/93 to use the full range of airport infrastructure necessary to operate an air service at a coordinated airport on a specific date and time for the purpose of landing (empty for non-coordinated airports).

Definition Source

EUROCONTROL, ATM Airport Performance (ATMAP) Framework, Report commissioned by the Performance Review Commission, dec. 2009

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Airport Departure Slot

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Term Airport Departure Slot
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Airport Arrival Slot

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Abbreviation

DSLT

Definition

The permission given to an aircraft operator by an airport slot coordinator in accordance with Regulation 95/93 to use the full range of airport infrastructure necessary to operate an air service at a coordinated airport on a specific date and time for the purpose of take-off (empty for non-coordinated airports).

Definition Source

EUROCONTROL, ATM Airport Performance (ATMAP) Framework, Report commissioned by the Performance Review Commission, dec. 2009

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Airport capacity

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Term airport capacity
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runway capacity

terminal capacity

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Definition

the number of passengers and amount of cargo which an airport can accomodate in a given period of time; it is a combination of runway capacity and terminal capacity.

Definition Source

ICAO (2004), doc. 9626, Manual on the Regulation of International Air Transport

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Baseline capacity

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Term baseline capacity
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area control centre (ACC)

Future ATM Profile (FAP)

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Definition

the effective capacity offered by the ACC in a typical peak period; it is determined from an analysis of ATFM delays and traffic (for this purpose FAP uses the CFMU Computer Aided Slot Allocation (CASA) model) or, for ACCs not generating ATFM delays, from an analysis of sector declared capacities.

Definition Source

EUROCONTROL (2007) Local Convergence and Implementation Plan, LCIP Process/Contents, Years 2007-2011 [1] Description

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Capacity

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Term capacity
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Definition

1. The maximum number of aircraft that can be accommodated in a given time period by the system or one of its components (throughput).

2. The ability of the Air Traffic Control System or any of its sub-systems or an operating position to provide service to aircraft during normal activities. It is expressed in numbers of aircraft entering a specified portion of the airspace in a given period of time.

Definition Source

1. ICAO (2008), doc. 9882, Manual on Air Traffic Management System Requirements.

2. EUROCONTROL, NM Glossary (2014)

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The maximum peak capacity which may be achieved for short periods may be appreciably higher than the sustainable value. The red line in CHMI, also referred to as Monitoring Value.

Note Source

EUROCONTROL, NM Glossary (2014)

Commonly Agreed Methodology for Airport Airside Capacity Assessment

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Term Commonly Agreed Methodology for Airport Airside Capacity Assessment
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Abbreviation

CAMACA

Definition

an analytical model designed to give a fast and accurate assessment airport airside capacity.

Definition Source

EUROCONTROL (2005) Institute of Air Navigation Services, PIATA+ and CAMACA Introduction [2]

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Declared capacity

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Abbreviation

Definition

A measure of the ability of the ATC system or any of its subsystems or operating positions to provide service to aircraft during normal activities. It is expressed as the number of aircraft entering a specified portion of airspace in a given period of time, taking due account of weather, ATC unit configuration, staff and equipement available, and any other factors that may affect the workload of the controller responsible for the airspace.

Definition Source

ICAO, Official definition, Annex 11, Air Traffic Services (2011)

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Future ATM Profile

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Term Future ATM Profile
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FAP

Definition

a set of distributed modelling and analysing tools comprising ATFM simulation facilities as well as spreadsheet and macro based analysis and reporting tools.FAP (Future ATM Profiles) identifies geographical and functional causes for delays in Europe (airports&ACCs) and allows the evaluation of macroscopic capacity plans for a planning time horizon of up to 10 years.

Definition Source

EUROCONTROL (2003) Comparison of Different Workload and Capacity Measurement Methods Used in CEATS Simulations

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Over-delivery

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Term over-delivery
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overload

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Definition

An occurrence when the declared rate is exceeded by the actual number of aircraft that enter a regulated sector during a particular period.

Definition Source

EUROCONTROL CFMU, SUPPLEMENT TO THE CFMU HANDBOOK, ATFCM OPERATING PROCEDURES FOR FMP, Edition N°: 4.1, WITH EFFECT FROM 01 JULY 2010

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Overload

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Term overload
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over-delivery

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Abbreviation

Definition

An occurrence when an air traffic controller reports that he/she has had to handle more traffic than they consider it was safe to do so.

Definition Source

EUROCONTROL CFMU, SUPPLEMENT TO THE CFMU HANDBOOK, ATFCM OPERATING PROCEDURES FOR FMP, Edition N°: 4.1, WITH EFFECT FROM 01 JULY 2010

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Runway capacity

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Term runway capacity
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airport capacity

terminal capacity

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Definition

the number of aircraft movements which aeronautical authorities determine can safely be operated, usually stated as the total number of landings and take-offs per hour.

Definition Source

ICAO (2004), doc. 9626, Manual on the Regulation of International Air Transport

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Terminal capacity

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Term terminal capacity
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airport capacity

runway capacity

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Definition

the number of passengers and tonnes of cargo per hour which can be processed in a terminal building (sometimes referred to as passenger or cargo throughput).

Definition Source

ICAO (2004), doc. 9626, Manual on the Regulation of International Air Transport

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Traffic synchronization

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Term traffic synchronization
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Abbreviation

Definition

the management of the flow of traffic through merging and crossing points, such as traffic around major aerodromes or airways crossings. It currently includes the management and provision of queues both on ground and in the air. Traffic synchronization, as a function, is closely related to both demand/capacity balancing and separation provision and may in the future be indistinguishable from them. Traffic synchronisation also concerns the aerodrome 'service' part of the concept.

Definition Source

ICAO (2008), doc. 9882, Manual on Air Traffic Management System Requirements

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