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Ash clouds threaten air traffic

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Ash clouds threaten air traffic

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Old 20th Apr 2010, 21:11
  #2041 (permalink)  
 
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Landroger

If the CAA approves landings it must be with caveats. The London zone is under potential ash cover and will be until at least 21/4 1200.
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Old 20th Apr 2010, 21:12
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just seen 2 aircraft land at heathrow from my window,
Now that's something that you'd have never thought would be newsworthy!
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Old 20th Apr 2010, 21:12
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Perhaps the C.A.A. has spent the last few days doing what many have called for, finding out exactly what is up there and how dangerous it is? You know, just quietly going about their job.
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Old 20th Apr 2010, 21:17
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Some of the diverted flights to BRU and SNN are already back in the air and on their way to LHR too!
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Old 20th Apr 2010, 21:18
  #2045 (permalink)  
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Lord Adonis on R4 now [live transcript - all errors mine]- "there is a differentiation between the dangerous area, a no-fly zone, and a low contamination zone where on the advice of manufacturers and test flights where it is safe to fly. The safety regime has been changed to significant analysis of test flight data and experience of flight, and crucially advice from aircraft engine and airframe manufacturers... before last week, volcanoes weren't a problem in Europe. it's because we faced this act of God that we had to face this problem, and intensive work by manufacturers to establish how it is safe to operate."

Interviewer: Were you aware that there were all these planes in the air heading for London?

LA: Of course I knew this evening, because it was all over the media

Interviewer: Didn't BA tell you?

LA: All I needed to do was turn on the television. The process to clear airspace has been in progress since the beginning of the week.
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Old 20th Apr 2010, 21:21
  #2046 (permalink)  
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So:

This morning flying is DANGEROUS!, and banned.

Now, flying is safe.

Utter, utter incompetence.
 
Old 20th Apr 2010, 21:29
  #2047 (permalink)  
 
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The CEO of Citi-jet released a press statement saying he believes British Airways took "undue risks in conducting test flights " , he also claims to have knowledge that "the aircraft involved in those tests were damaged" . He goes on to say that it appears safety authorities are being pressured by commercial interests. Source : RTE Ireland news at one.
As a result of their engine tests at LCY this morning??? What were they doing I wonder...full thrust into the dock waters while parked in front the A318s...


This morning flying is DANGEROUS!, and banned.

Now, flying is safe.

Utter, utter incompetence.
Air moves around you know...
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Old 20th Apr 2010, 21:30
  #2048 (permalink)  
 
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Hand Solo, can we have the evidence that the information was duff please?

Have you any grasp of what information was provided by the met men and women to the CAA?

Also, can we have some evidence (just as a bonus) of where the Met said airspace should be shut? Perhaps if their ash dispersion model is inaccurate, as aviators we could all cough up some extra tax to pay for a new one?
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Old 20th Apr 2010, 21:32
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hand solo

i think i saw a senior met man on tv today say they had provided the info NATS' required and that the decision for no-fly 'was outside their (mets) remit'.
i wonder where the dice will roll......
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Old 20th Apr 2010, 21:33
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The large bunch of intercontinental flights all now landing at Heathrow launched up to 12 hours ago, which means a decision to launch them in this coordinated fashion must have been taken 18-24 hours ago. It is clear that BA must have decided then that this was all BS and decided to present the UK govt with a fait accompli. At 19-20.00Z tonight they were faced with 20+ BA flights on the doorstep and had to make a rapid decision on what they were going to do.

Big balls for Mr Walsh, that's for sure.

I sympathise with both views. The risk probably is negligible per flight, but it only takes one double engine failure due to a locally dense ash concentration on one of 30,000 daily flights for everyone to howl for heads to roll.
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Old 20th Apr 2010, 21:33
  #2051 (permalink)  
 
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NATS is responsible because it imposed a zero flow rate on the airspace it controls
So did the majority of all other European countries. NATS and UK Met Office to blame for them too? Common factor to all would seem to be ICAO?
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Old 20th Apr 2010, 21:34
  #2052 (permalink)  
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Originally Posted by Hand Solo
@bdionu - Why no UK-wide airspace shutdown then? Only a zero flow rate.
NATS only have a licence for Controlled Airspace, not the rest. Some countries totally banned flying, some didn't UK was one that didn't. I'm not privy to ministerial briefings as to why HM Government decided not to.

BD
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Old 20th Apr 2010, 21:34
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Will be interesting to see what the maint departments find when doing checks after flight through ash.

Or hav Airbus and Boeing just revised the maint manuals !
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Old 20th Apr 2010, 21:40
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Based on the amount of BA long haul flights that have either already landed or are approaching Heathrow, that have obviously been heading towards the UK since this morning.....

Dare I ask who actually decided on the re-openeing of the airspace and the new guidelines for flying in ash. Was it NATS and the CAA based on experts advice and test flight data, or was it Willie Walsh who decided to reactivate his long haul last night/this morning?
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Old 20th Apr 2010, 21:40
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@ QDMQDMQDM:

Government didn't face the decision making process at 19.00Z tonight: the American, Canadian and Mexican Speedbirds were all posted up on the LHR arrivals board before lunchtime today. It's pretty obvious that yesterday (Monday) was spent in planning and then before nine o'clock this morning BA told Lord Adonis to don a spotter's anorak.
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Old 20th Apr 2010, 21:46
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Will be interesting to see what the maint departments find when doing checks after flight through ash.

Or hav Airbus and Boeing just revised the maint manuals !
Indeed, Airbus procedure on the Bus after encountering volcanic ash is quite thorough and will take some time.

Depends if the crews report encountering ash I guess.

MM 05-51-25-601 if you're interested.
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Old 20th Apr 2010, 21:47
  #2057 (permalink)  
 
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It will be interesting what Ryanair do, they have no pressing commercial need to fly.
By waiting for the winds to clear the cloud away on Thursday/Friday they may save themselves a lot of money.

Not withstanding the fact that inspecting the engines after every flight will blow their business model and profit..
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Old 20th Apr 2010, 21:52
  #2058 (permalink)  
 
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Desk Pilot wrote
Frankly I'm disgusted by Willy Walsh and BA and the fact that they have leant on the regulator in this way (and I'm usually very pro BA) I have to admire O'Leary (and I'm normally far from a fan of his!!) but actually ironically Ryanair seems far more bothered by the risks of this than BA do - and I never thought I'd say that...

Safety is safety whatever it costs. I personally am not ken to fly tomorrow because I have yet to hear scientific evidence to confirm it is safe.
Ryanair, you might like to hear, pay most of their employees on an hourly basis. If there is no work, there is no pay. It is in O'Leary's interest to sit this one out as he has very little comparative cash burn compared to BA.

Desk pilots are prone to risk aversion I hear. Quite safe sat twiddling with ones pen.
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Old 20th Apr 2010, 22:00
  #2059 (permalink)  
 
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Desk Pilot

The notions that airlines are now responsible for deciding if it safe to fly concerns me.
Why? Airlines and Pilots in Command have always been responsible for deciding it is safe to fly. Why should it concern you now?

Regards
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Old 20th Apr 2010, 22:05
  #2060 (permalink)  
 
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I'd love to be a fly on the wall when the reports from the first required post-flight inspections are submitted. I'm guessing you all saw the scope pics from the Finnish F-18?

The (admittedly unconfirmed) reports of 'burning smell' during descent tonight is troubling. This could backfire quite spectacularly.
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