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ESA launches new programme for air traffic management via satellite (Forwarded)



 
 
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Old June 25th 07, 10:29 PM posted to sci.space.news
Andrew Yee[_1_]
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Default ESA launches new programme for air traffic management via satellite (Forwarded)

ESA News
http://www.esa.int

21 June 2007

ESA launches new programme for air traffic management via satellite

Pilots and flight controllers will benefit from exchanging data and
communicating via satellite and terrestrial systems in the future Single
European Sky. This is the aim of a new programme set in motion this week by
ESA Member States.

The Single European Sky was launched by the European Commission (EC) in
2004, proposing a new approach to air traffic management in Europe that
would unlock viable growth in air transport. The EC has set up a specific
programme, Single European Sky Air traffic management Research (SESAR),
addressing administrative, operational and technical concepts for
communication, navigation and surveillance for air traffic safety. Within
this wide scope, satellites have the opportunity to demonstrate their
potential for safety-of-life communications.

Satellites have so far mainly addressed non-safety-critical communications,
such as passenger telephone calls and internet connectivity. ESA, with the
support of the European space industry, Eurocontrol, air navigation service
providers, and national space agencies, is preparing to carry out all the
necessary work for satellite communications to be considered under the SESAR
programme.

By 2020 global air travel is expected to double, resulting in increasing
congestion on the ground and in the air. This situation requires a new,
independent air-to-ground link for aircraft communications.

Satellite answers the challenge

Reducing delays, increasing safety and being more cost effective are the
three main points that the EC is targeting, and satellites can be part of
the solution. Satellites can not only deploy additional capacity over vast
areas rapidly but also tailor it to regional requirements. By interacting
seamlessly between continental, oceanic and polar routes, satellites offer a
unique opportunity for safety improvements and the provision of additional
services to crews.

Furthermore, oceanic routes are still served by the High Frequency (HF) band
which allows only the most basic forms of communication between pilot and
ground. Added to these problems, various countries currently operate
different systems, placing another burden on aircraft systems.

A satellite system would provide a much more homogenous solution and could
act as a complement to a terrestrial network, or as the primary system in
some areas. When coupled with navigation systems like Galileo, satellite
communications can even contribute to optimising aircraft trajectories.

Iris: Linking the sky to the Earth

Making this a reality will require a new programme within ESA
Telecommunications to offer support to European industry in developing the
necessary technologies. The programme is named Iris, after the Greek
mythological personification of the rainbow and messenger of the gods,
responsible for linking the sky with the Earth.

The programme will support in-orbit verification and certification of the
pre-operational system, technical support to deployment of the full system,
and preliminary work leading to an enhanced future role for satellites.

[NOTE: Images and weblinks supporting this release are available at
http://www.esa.int/esaCP/SEMTDI8OY2F_index_1.html ]
 




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