FullDescription:Network Operation

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Advanced Flexible Use of Airspace

Link Semantic Value
Term Advanced Flexible Use of Airspace
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Contexts

SESAR

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Flexible Use of Airspace

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Narrower term


Abbreviation

AFUA

Definition

An airspace management concept in which airspace is managed as a single entity and in which there are no fixed structures and airspace reservations for special airspace activity are allocated in real time.

Definition Source

SESAR Consortium (2007) CONOPS Acronyms and Definitions, Task 2.2.2 - Milestone 3, Document Number: DLT-0612-222-02-00

Note

Air Traffic Flow Management

Link Semantic Value
Term Air Traffic Flow Management
Status


Mandatory for

EUROCONTROL SESAR

Contexts

SESAR

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Air Traffic Flow and Capacity Management

Broader term


Narrower term


Abbreviation

ATFM

Definition

1) a function established with the objective of contributing to a safe, orderly and expeditious flow of air traffic by ensuring that ATC capacity is utilised to the maximum extent possible, and that the traffic volume is compatible with the capacities declared by the appropriate air traffic service providers

2) A service established with the objective of contributing to a safe, orderly and expeditious flow of air traffic by ensuring that ATC capacity is utilized to the maximum extent possible, and that the traffic volume is compatible with the capacities declared by the appropriate ATS authority.

Definition Source

1) EUROCONTROL (2007), "Principles for establishing the cost-base for en route charges and the calculation of the unit rates", Oct. 2007, p.30

2) ICAO, Official definition, PANS-ATM Procedures for Air Navigation Services — Air Traffic Management [Doc 4444] 2001, 14th ed. (Amdt 3, 29/06/2004)

Note

term replaced by Air Traffic Flow and Capacity Management

Lexicon Release

Lexicon Release 2015.2

Air traffic control service

Link Semantic Value
Term air traffic control service
Status


Mandatory for

EUROCONTROL SESAR

Contexts

SESAR

EAEA

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air traffic controller

Broader term


Narrower term


Abbreviation

Definition

A service provided for the purpose of:

a) preventing collisions:

1. between aircraft, and

2. on the manoeuvring area between aircraft and obstructions; and

b) expediting and maintaining an orderly flow of air traffic.

Definition Source

ICAO, Official definition, AN 2 Rules of the Air 2005

Note

Lexicon Release

Lexicon Release 2015.2

Airspace management

Link Semantic Value
Term airspace management
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Mandatory for


Contexts

SESAR

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Broader term


Narrower term


Abbreviation

ASM

Definition

1) The process by which airspace options are selected and applied to meet the needs of the ATM community.

2) A planning function with the primary objective of maximizing the utilization of available airspace by dynamic time-sharing and, at times, the segregation of airspace among various categories of users based on short-term needs.

Definition Source

1) ICAO, doc 9882 Manual on Air Traffic Management System Requirements 2008, 1st ed., p. F-1

2) ICAO (2002), "International Civil Aviation Vocabulary", Doc. 9713

and

Regulation (EC) No 549/2004 of the European Parliament and of the Council of 10 March 2004 laying down the framework for the creation of the single European sky (the framework Regulation)

Note

Lexicon Release

Lexicon Release 2015.2

Closed Loop Clearance

Link Semantic Value
Term Closed Loop Clearance
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Mandatory for


Contexts

SESAR

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Open Loop Clearance

Reference Business Trajectory (RBT)

Broader term


Narrower term


Abbreviation

Definition

a clearance from a point on the current RBT/RMT, to another point of the current RBT/RMT. It may result in a revision of the RBT/RMT.

Definition Source

SESAR Concept of Operations Step 1, Edition 2015

Note

Lexicon Release

Lexicon Release 2015.1

Collaborative Decision Making

Link Semantic Value
Term Collaborative Decision Making
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Mandatory for


Contexts

SESAR

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Airport Collaborative Decision Making (A-CDM)

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Narrower term


Abbreviation

CDM

Definition

A process focused on how to decide on a course of action articulated between two or more community members.

Definition Source

SESAR Concept of Operations Step 2 Edition 2014 (Ed. 01.01.00)

Note

Through this process, ATM community members share information related to that decision and agree on and apply the decision-making approach and principles. The overall objective of the process is to improve the performance of the ATM system as a whole while balancing the needs of individual ATM community members.

Lexicon Release

Lexicon Release 2015.1

Complexity

Link Semantic Value
Term Complexity
Status


Mandatory for


Contexts

SESAR

Categories


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Related entries

Density

Broader term


Narrower term


Abbreviation

Definition

The number of simultaneous or near- simultaneous interactions of trajectories in a given volume of airspace.

Definition Source

SESAR Concept of Operations Step 2 Edition 2014 (Ed. 01.01.00)

Note

Given complexity definition refers to ATM context.

For automation, complexity is relevant only in terms of calculation effort, not the ability to solve a given set of problems. Beyond a certain level of complexity, humans can no longer oversee all the consequences of the interactions and automation support is required if traffic is to be handled safely and efficiently. See also Density.

Lexicon Release

Lexicon Release 2015.1

Density

Link Semantic Value
Term density
Status


Mandatory for


Contexts

SESAR

Categories


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Complexity

Broader term


Narrower term


Abbreviation

Definition

In the ATM context, density refers to the number of simultaneous or near- simultaneous trajectories present in a given airspace volume.

Definition Source

SESAR Consortium (2007) CONOPS Acronyms and Definitions, Task 2.2.2 - Milestone 3, Document Number: DLT-0612-222-02-00

Note

High densities require specific procedures to ensure that the required capacity to handle traffic can be provided. See also Complexity

Dynamic Mobile Area

Link Semantic Value
Term Dynamic Mobile Area
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Mandatory for


Contexts

SESAR

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Narrower term


Abbreviation

DMA

Definition

An integral part of the Mission Trajectory (MT) described by a 4D data set, where the velocity parameter is equal to zero. DMA constitutes a defined volume of airspace that satisfies specific requirements from different Airspace Users.

Definition Source

SESAR Concept of Operations Step 2 Edition 2014 (Ed. 01.01.00)

Note

There are two types of DMA that have been identified for Step 2: DMA Type 1 is a volume of airspace of defined dimensions described as integral part of MT at flexible geographical locations agreed upon a CDM process, satisfying Airspace Users requirements in terms of a time and/or distance constraint parameters from a reference point as specified by AU (e.g. Aerodrome of Departure). DMA Type2 is a volume of airspace of defined dimensions described as integral part of Mission Trajectory and agreed upon a CDM process, satisfying the Airspace Users requirements. This volume of airspace may be planned and used at any geographical location along the trajectory.

Lexicon Release

Lexicon Release 2015.1

Managed Airspace

Link Semantic Value
Term Managed Airspace
Status


Mandatory for

EUROCONTROL

Contexts

SESAR

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Unmanaged Airspace

Free Flight Airspace

Broader term


Narrower term


Abbreviation

MAS

Definition

Airspace in which all traffic is known to the Air Traffic System

Definition Source

SESAR Concept of Operations Step 2 Edition 2014 (Ed. 01.01.00)

Note

Lexicon Release

Lexicon Release 2015.1

Military Variable Profile Area

Link Semantic Value
Term Military Variable Profile Area
Status


Mandatory for


Contexts

SESAR

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Broader term


Narrower term


Abbreviation

MVPA

Definition

A flexible composition of defined modular portions of airspace to fulfil military needs, restricting airspace utilisation for other airspace users only by the necessary minimum.

Definition Source

SESAR Consortium (2007) CONOPS Acronyms and Definitions, Task 2.2.2 - Milestone 3, Document Number: DLT-0612-222-02-00

Note

The dimensions of these military training areas (MTA) are published for identification and consideration. In general, a MTA consists of several sub-parts in form of defined airspace modules. Depending on individual military mission profiles the airspace dimension required for the specific operational training or exercises will be flexibly composed by combination of one or more allocated sub-parts to a suitable airspace block. The optimum airspace required can be simulated through respective tools.

Network Operations Plan

Link Semantic Value
Term Network Operations Plan
Status


Mandatory for


Contexts

SESAR

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Narrower term


Abbreviation

NOP

Definition

1.The plan, including its supporting tools, developed by the Network Manager in coordination with the operational stakeholders to organise its operational activities in the short and medium term in accordance with the guiding principles of the Network Strategic Plan. For the European route network design- specific part of the Network Operations Plan, it includes the European Route Network Improvement Plan.

2. A set of information and actions derived and reached collaboratively both relevant to, and serving as a reference for, the management of the Pan-European network in different timeframes for all ATM stakeholders, which includes, but is not limited to, targets, objectives, how to achieve them, anticipated impact.

Definition Source

1. COMMISSION IMPLEMENTING REGULATION (EU) No 716/2014 of 27 June 2014 on the establishment of the Pilot Common Project supporting the implementation of the European Air Traffic Management Master Plan.

2. SESAR Concept of Operations Step 2 Edition 2014 (Ed. 01.01.00)

Note

2. The NOP has a dynamic and rolling lifecycle starting in the planning phases and is progressively updated up to and including the execution and post-operations phases.

Lexicon Release

Lexicon Release 2015.1

Open Loop Clearance

Link Semantic Value
Term Open Loop Clearance
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Mandatory for


Contexts

SESAR

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Reference Business Trajectory

Closed Loop Clearance

Broader term


Narrower term


Abbreviation

Definition

an ATC clearance that does not include a specified or implied point where the restriction on the trajectory ends.

Definition Source

SESAR Consortium (2007) CONOPS Acronyms and Definitions, Task 2.2.2 - Milestone 3, Document Number: DLT-0612-222-02-00

Note

Most tactical clearances take this form; they include heading (including track offset), level, and speed restrictions and exceptionally could also cover rates of climb or descent. Open-loop clearances are cancelled (closed) by a further instruction from the controller that defines how the flight should revert to the Reference Business Trajectory (RBT).

User Driven Prioritisation Process

Link Semantic Value
Term User Driven Prioritisation Process
Status


Mandatory for


Contexts

SESAR

Categories


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Collaborative Decision Making (CDM)

Broader term


Narrower term


Abbreviation

UDPP

Definition

A CDM-based process which permits Airspace Users to reflect a prioritisation of flights which best respects the business interests of AU stakeholders.

Definition Source

SESAR Concept of Operations Step 2 Edition 2014 (Ed. 01.01.00)

Note

It is primarily for use during periods of capacity constraint, but available at all times in order to support business efficiency.UDPP is available at both planning and execution phases and is enabled by the Network Management Function.

Lexicon Release

Lexicon Release 2015.1