Ash clouds threaten air traffic
Join Date: Apr 2010
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klm
No specific details from nasa tests yet found.
During a press conference Hartman declared he has permission to fly 7 planes back from dusseldorf to amsterdam and tryed get permission from germany to get allready 1 back before nightfall.
not succesfull i think so he took part of the roundtrip i think :-)
During a press conference Hartman declared he has permission to fly 7 planes back from dusseldorf to amsterdam and tryed get permission from germany to get allready 1 back before nightfall.
not succesfull i think so he took part of the roundtrip i think :-)
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another authority rep
Not only airlines should be worried - if there are no overflights, it means no income to the Air navigation service provider, which mainly lives on overflight charges (unit rates vary from country to country) and the airports themselves face losses. The other institutions which are depending on regular traffic (50 % more or less) are the national supervisory authorities (the CAAs). Off course the model varies from country to country, but a long stand down will ruin the whole industry. General aviation activities cannot be counted as sufficient source of income neither for the ANSPs nor the airports.
Eager to hear the KLM test results and any other results that come out. At least somebody is acting with purpose.
On even a more sober note - it's quite pathetic on our (EU) side to be absolutely hand - tied, and that there are not enough resources to analyze the situation. What for do we have European Space Agency if we still have to call for NASA??!!
Eager to hear the KLM test results and any other results that come out. At least somebody is acting with purpose.
On even a more sober note - it's quite pathetic on our (EU) side to be absolutely hand - tied, and that there are not enough resources to analyze the situation. What for do we have European Space Agency if we still have to call for NASA??!!
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klm
Klm flight 705 was without any problem !!!! and also see we can fly on low altitude.
The 737 altitude was up to 13km they did air messurements and KLM is studieing the results right now. filters will show about the ash kind and density.
De KLM heeft vanavond een "probleemloze" testvlucht gemaakt om te kijken of vliegtuigen op lagere hoogte kunnen vliegen. Zo zouden de toestellen onder de gevaarlijke aswolk kunnen blijven, die het vliegverkeer al dagen onmogelijk maakt.
Een Boeing 737 vertrok kort voor acht uur voor de proefvlucht boven Nederland. Het vliegtuig haalde een hoogte van dertien kilometer.
Tijdens de vlucht werden luchtmetingen gedaan, waarvan de KLM nu de resulaten bekijkt. Filters geven aan hoeveel as er in de lucht zit.
The 737 altitude was up to 13km they did air messurements and KLM is studieing the results right now. filters will show about the ash kind and density.
De KLM heeft vanavond een "probleemloze" testvlucht gemaakt om te kijken of vliegtuigen op lagere hoogte kunnen vliegen. Zo zouden de toestellen onder de gevaarlijke aswolk kunnen blijven, die het vliegverkeer al dagen onmogelijk maakt.
Een Boeing 737 vertrok kort voor acht uur voor de proefvlucht boven Nederland. Het vliegtuig haalde een hoogte van dertien kilometer.
Tijdens de vlucht werden luchtmetingen gedaan, waarvan de KLM nu de resulaten bekijkt. Filters geven aan hoeveel as er in de lucht zit.
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Guest
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Catalan TV reported tonight that Spanish airspace is closing, whether totally or partially I don't know. Girona, which at this time of the year has about 90 movements a day, is showing cancellations on virtually every flight right now. I just checked Barcelona and the situation is the same - almost complete cancellations except to the Balearic Islands (which are a short low hop).
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Off course, it's nature. The point is the nature of humanity is to explore and research and progress. This is just another challenge, during which we can't sit down and wait for the nature bury us in the dust. That's why we have scientists and engineers to come up with solutions and people at proper authorities to take educated decisions.
From Icenews.is
"A University of Iceland geophysicist says there are now clear signs that the Eyjafjallajokull volcano, which began erupting on Wednesday, is slowing down. Attention is now turning to the more violent Katla volcano which many fear will erupt next. However, there are no indications that Katla is reawakening at the moment.
AFP reports Sigrun Hreinsdottir, a geophysicist with the University of Iceland, as saying that the lava flow has slowed and that the whole eruption could now slow dramatically as a result."
"A University of Iceland geophysicist says there are now clear signs that the Eyjafjallajokull volcano, which began erupting on Wednesday, is slowing down. Attention is now turning to the more violent Katla volcano which many fear will erupt next. However, there are no indications that Katla is reawakening at the moment.
AFP reports Sigrun Hreinsdottir, a geophysicist with the University of Iceland, as saying that the lava flow has slowed and that the whole eruption could now slow dramatically as a result."
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Heathrow Director,Anthony GA's & others suggestions that a/c fly into the ash cloud over the UK and then inspect for any damage is not insane it is the only way to get empirical evidence of acceptable ash density levels,we need to be proactive if things do not improve,I for one would be perfectly prepared to do this research as would most other pilots (I've asked around).If we just sit on our arses wringing our hands,we can kiss goodbye to our industry.
Easily done. I would do it.
If you want to be reeeaaallly conservative, you fly a 4-engine airframe around on two engines to conduct the research, and leave two engines for standby just in case. Stabilisation alt of an empty heavy on 2 engines?? Must be quite high.
(Not that these ash concentrations are likely to be a problem - except perhaps that grey-brown band over the Thames in previous pic).
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Code:
http://db.eurad.uni-koeln.de/prognose/
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The only webcam which works (for me anyway)
http://www.mulakot.net/images/myndavelar/14flugv.jpg
You have to refresh - it won't refresh for you....
http://www.mulakot.net/images/myndavelar/14flugv.jpg
You have to refresh - it won't refresh for you....
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Seems like quite a bit of airspace is open.
From CFMU
From CFMU
AIRSPACE OPEN:
Please contact the FMP concerned for more information.
-Maastricht UAC
-Karlsruhe (ALLED..ACC)
-France above FL355
NOTAM 1457+58+59/10
-Roumania above FL355
NOTAM -Swiss above FL195 except for Y + Z flt's
NOTAM 0187+88/10
-LOWW Austria except the see above
The next general teleconference to review the latest VACC ash cloud forecast will be held at 18-0800 UTC.
(number of available lines = 400)
Please contact the FMP concerned for more information.
-Maastricht UAC
-Karlsruhe (ALLED..ACC)
-France above FL355
NOTAM 1457+58+59/10
-Roumania above FL355
NOTAM -Swiss above FL195 except for Y + Z flt's
NOTAM 0187+88/10
-LOWW Austria except the see above
The next general teleconference to review the latest VACC ash cloud forecast will be held at 18-0800 UTC.
(number of available lines = 400)
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Dispersal forecast from the Norwegian Meteorological Institute
English translation of the excellent Norwegian Meteorological Institute forecast that others have linked to:
Dispersal forecast, Saturday morning
The Met Institute is publishing the latest dispersal calculations, which now cover the period up until 6 pm on Monday.
Key: Dispersal calculation for 17 April 2010, 1500.
Gold: collected precipitation - ash which has fallen of its own accord.
Red: collected precipitation - ash which has fallen as a result of precipitation.
Black: Where the ash cloud is 'right now'.
Source: The Meteorological Institute of Norway (met.no)
DownloadsEverything that the Meteorological Institute publishes on its web pages in connection with the vulcano eruption can be used freely if the Meteorological Institute is credited.
About the forecast
Media contacts
Duty meteorologists will answer queries from the media on the following numbers:
Dispersal forecast, Saturday morning
The Met Institute is publishing the latest dispersal calculations, which now cover the period up until 6 pm on Monday.
Key: Dispersal calculation for 17 April 2010, 1500.
Gold: collected precipitation - ash which has fallen of its own accord.
Red: collected precipitation - ash which has fallen as a result of precipitation.
Black: Where the ash cloud is 'right now'.
Source: The Meteorological Institute of Norway (met.no)
DownloadsEverything that the Meteorological Institute publishes on its web pages in connection with the vulcano eruption can be used freely if the Meteorological Institute is credited.
About the forecast
- Forecast valid until 1800 on Monday 19 April
- Based on continuous eruption between 14 and 19 April
- The timings on the chart are GMT.
Media contacts
Duty meteorologists will answer queries from the media on the following numbers:
- Tromsų: 77 62 13 00
- Bergen: 55 23 66 00
- Oslo: 22 96 30 00