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| | A snapshot of some recent, current and forthcoming activities - February, 2006 |
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Study suggests large gains in airport throughput by reducing wake vortex separations |
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Recent research has shown the strong influence of meteorological conditions on the transport and decay of wake vortices. This opens the possibility that under certain conditions, wake vortex separations could be reduced. New operational procedures are now being conceived to exploit this possibility. In ideal circumstances the increases could be as much as 40% at the busiest airports.
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How can wake vortex separation standards be revised? |
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Wake vortex researchers met with operational experts, regulators, air traffic controllers, airlines, pilots and industry during a two day workshop organised by the European Commission's WakeNet2-Europe Thematic Network and the Experimental Centre.
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Level bust study recommends downlinking of the selected level |
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Once every half-hour, somewhere in the world, an aircraft busts its cleared level. Once a day, a level bust results in aircraft passing within a mile of each other. A study recommends downlinking the flight level selected by the pilot to create an additional barrier to level bust incidents.
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Divided opinions on the sustainability of air transport |
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A first Socio-Economic Research workshop gathered researchers and air transport partners to share views on several facets of air transport sustainability. A debate was organised to close the day, with a surprising result.
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Sustainability framework website |
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The notion of a Sustainability Framework for Air Transport, introduced in the March 2005 newsletter, generated quite a lot of interest. A prototype website has now been created to better illustrate the concept. We invite you to explore this website and pass on your comments about the concept and the individual indicators chosen in the matrix. A reminder - those shown for now are simply draft proposals. All feedback is very welcome - or indeed if you are aware of other initiatives in this area - we would appreciate your input.
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Prototype website |
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A Sustainability Framework for Air Transport, EEC News, March 2005 |
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Feedback |
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Citizens want to travel more despite environmental impact |
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A recent study using the technique of focus groups in four countries in Europe shows that people are generally not aware of the growth in air traffic and its impact on the environment, and that even when they do know, they nonetheless want more opportunities to travel.
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Finally available - a method for estimating particulate matter emissions |
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Soot, or particulate matter, is the primary non-volatile component of jet engine exhaust. Until now, aircraft emissions models have been unable to reliably estimate particulate matter. This was mainly due to the fact that the ICAO Engine Exhaust Emission Data Bank does not provide complete smoke number information for a large number of listed aircraft engines. For the first time, a complete and consistent approach to the missing smoke numbers combined with a method of deriving particulate matter from smoke numbers and correcting for flight altitude has been developed.
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Airborne spacing: managed or selected speed mode? |
A pilot-in-the-loop experiment took place at the EEC, between November 21 and December 9, 2005, to investigate the use of a speed managed mode for airborne spacing. All pilots agreed that the speed managed mode was the most appropriate during the initial descent but half of them preferred the speed selected mode during final approach.
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Prototype airborne spacing director to minimise pilot speed actions |
A cockpit tool has been prototyped for reducing the frequency of speed changes suggested to a pilot tasked with maintaining a required time spacing behind a lead aircraft.
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Record Attendance at 4th Innovative Research Workshop |
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The 4th EUROCONTROL Innovative ATM research workshop and exhibition took place last December. Advanced air transport system concepts including automation, emerging technologies for 3D, augmented and virtual reality applied to ATM, fundamental research, and the Eurocontrol Innovative Research work plan were presented and discussed.
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