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a living roadmap for the European
ATS Route Network (ARN) from which
successive ARN versions and annual
improvements will be derived, in close
cooperation with States’ civil and military
authorities, ANSPs and airspace
users. The AAS Route Network takes a
long-term view of the ECAC airspace
structure (including updates coming from
functional airspace block developments
or from other local or sub-regional plans)
incorporating elements that are expected
to be gradually in place between 2010-
2012/15 providing the foundation for
future airspace concept developments
within the context of SESAR.
The feasibility of creating an efficient pan-
European ATS Route Network aligned
with major flows and independent of
national boundaries, as requested in
the PRR 2006, was proven through the
development of the AAS route network.
The further development and gradual
implementation of the AAS route network
will represent a major step towards
enhanced ATM capacity and improved
flight efficiency. 6
14
Focus
Improved design of airspace and TMA – key in delivering capacity
A rolling process
The partnership approach put in place
for the development and utilisation of
the European airspace structure results
in an annual set of airspace improvements
that are consolidated in a threeyear
European ATS Route Network.
At this stage, the work devoted to
the improvement of the European
airspace structure and utilisation
focuses on the following actions:
The gradual implementation of Version
6 of the European ATS Route Network,
through a consistent set of annual
airspace improvement packages,
between 2008 and 2010:
n A consolidated set of more than 400
improvement packages representing
more than 2,000 routes and 60
resectorisation projects will be implemented
for the summer seasons in
2008-2010.
n As a result of these improvements,
the European ATS route network
will become only 3.35% longer than
the great-circle distances (from TMA
entry to TMA exit points).
n The map number 1 indicates the
ATS route network expected to be in
place at the end of the implementation
of ARN Version 6 (Autumn 2010)
together with the traffic load based
on current traffic.
Improving flight efficiency for the
most penalised city pairs in Europe:
As a priority objective, the current
actions aimed at improving the top
50 city pairs with the total highest
route extension (i.e. volume of traffic
and route extension) will be accelerated.
Solutions will be explored with
the ANSPs to improve flight efficiency
to the largest possible extent, without
impacting safety and capacity. These
solutions will be introduced between
2008 and 2010 and deployed through
the annual set of improvements.
The map number 2 indicates the additional
routes expected to be in place as
a result of the flight efficiency improvements
expected for the most penalised
city pairs in terms of flight efficiency.
1.
2.
Skyway 51 - Spring 2009 15
Implementation of additional CDRs2
for the main traffic flows:
Distinct action will be taken to ensure
the implementation of additional CDRs
through major military areas that will serve
important traffic flows. This action will
also take into consideration the findings
related to the most penalised city pairs.
Ensuring support to the initial implementation
of free route airspace in
different parts of Europe:
Several States and ANSPs plan to introduce
free route airspace in the short
to medium term. From a European
network airspace design perspective,
this approach will be encouraged and
the required support will be provided
to accelerate implementation and to
encourage other States to implement
similar actions. These actions are already
underway.
Efficient TMA design and utilisation:
The TMA Improvements Initiative,
comprising a comprehensive toolbox of
operational improvements, as requested
by the airspace users and put forward by
EUROCONTROL, will be used to ensure
enhanced flight efficiency in TMAs. The
toolbox is designed to improve flight
efficiency, capacity and environmental
performance through:
• new concepts for TMA design and
support to individual TMA redesign
projects;
• widespread application of Precision
Area Navigation (P-RNAV);
• accelerated deployment of Continuous
Descent Approach (CDA), without
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Skyway Magazine Spring 2009(10)
