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Search: Posts Made By: ZQA297/30
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Forum: Rumours & News
11th May 2010, 09:39
Replies: 3,110
Views: 1,591,181
Posted By ZQA297/30

Ryanair Belfast turnback?

BBC short item this morning. BBC News (http://news.bbc.co.uk/1/hi/northern_ireland/8674226.stm)
Forum: Rumours & News
2nd May 2010, 07:44
Replies: 3,110
Views: 1,591,181
Posted By ZQA297/30

Sort of like the difference between chalk and...

Sort of like the difference between chalk and cheese. And there can be some very nasty gases lurking in the volcanic stuff. (Compounds of sulphur and fluorine among others)
Hope we are now ready for...
Forum: Rumours & News
30th Apr 2010, 19:17
Replies: 3,110
Views: 1,591,181
Posted By ZQA297/30

However, the NASA flight crew mistook the ash...

However, the NASA flight crew mistook the ash cloud for cirrus. As stated elsewhere, ash particles coated with moisture(ice) would look similar to cirrus. Ash embedded in cloud would also be a...
Forum: Rumours & News
26th Apr 2010, 12:15
Replies: 3,110
Views: 1,591,181
Posted By ZQA297/30

We will continue to debate this til the cows come...

We will continue to debate this til the cows come home. There will be no resolution until there is something in writing from both the manufacturer and the regulator that clearly states a policy.
...
Forum: Rumours & News
26th Apr 2010, 09:13
Replies: 3,110
Views: 1,591,181
Posted By ZQA297/30

Why are we wasting all this money over ETOPS...

Why are we wasting all this money over ETOPS procedures, IFSD rates, etc, when it is clear that most here are prepared to accept a higher level of risk. Have we ever lost an aircraft due to strictly...
Forum: Rumours & News
23rd Apr 2010, 12:10
Replies: 3,110
Views: 1,591,181
Posted By ZQA297/30

Interview with NASA Dryden Chief of Mtce Re NASA...

Interview with NASA Dryden Chief of Mtce Re NASA DC-8 incident (http://www.avweb.com/podcast/podcast/AudioPodcast_TomGrindleNASA_VolcanicAshFlight_202437-1.html?kw=AVwebAudio)
Forum: Rumours & News
23rd Apr 2010, 08:26
Replies: 3,110
Views: 1,591,181
Posted By ZQA297/30

Please can we defer trying to allocate blame, and...

Please can we defer trying to allocate blame, and get on with developing the the policies and procedures to deal with what may be an ongoing problem. We have plenty of time to deal with blame, but...
Forum: Rumours & News
22nd Apr 2010, 12:41
Replies: 3,110
Views: 1,591,181
Posted By ZQA297/30

Not sure about this (last serious physics...

Not sure about this (last serious physics exposure A levels 1962) but is not the "visibility" of particles dependent on the wavelength of the illuminating beam. Which is why Radar is not seeing some...
Forum: Rumours & News
21st Apr 2010, 08:36
Replies: 3,110
Views: 1,591,181
Posted By ZQA297/30

When can we expect to see "approved for flight in...

When can we expect to see "approved for flight in volcanic ash concentrations of xxx/m3 or less" in our AFMs?
I like brooksjg's suggestion as an immediate check on ash encounter (especially...
Forum: Rumours & News
20th Apr 2010, 09:16
Replies: 3,110
Views: 1,591,181
Posted By ZQA297/30

Bruce, I think you are missing my point. I...

Bruce,
I think you are missing my point.
I set up spectro analysis on a small fleet of DC-6Bs way back in 1974, and it was so effective that we could tell who had been using fast idle on #4 to...
Forum: Rumours & News
20th Apr 2010, 08:16
Replies: 3,110
Views: 1,591,181
Posted By ZQA297/30

Bruce Wayne Not sure that everyone does oil...

Bruce Wayne
Not sure that everyone does oil analysis, particularly for S, which was the only abnormal in the NASA incident.
How often are "routine" borescope checks done?
The recorded engine...
Forum: Rumours & News
20th Apr 2010, 07:59
Replies: 3,110
Views: 1,591,181
Posted By ZQA297/30

Of the over 100 historical ash encounters only 8...

Of the over 100 historical ash encounters only 8 involved immediate engine malfunctions. Just 8%! and that involved some pretty heavy ash.
Statistically there are not going to be that many aircraft...
Forum: Rumours & News
20th Apr 2010, 07:40
Replies: 3,110
Views: 1,591,181
Posted By ZQA297/30

What I find curious is that not one of the many...

What I find curious is that not one of the many that have flown through "the zone" seem to have published borescope results, or oil spectronalysis results, both of which are eminently do-able.
Will...
Forum: Rumours & News
20th Apr 2010, 06:50
Replies: 3,110
Views: 1,591,181
Posted By ZQA297/30

Young Paul check page 10 of the NASA report,...

Young Paul
check page 10 of the NASA report, there are 2 graphs, one for SO2 concentration, airborne Fourier transform infrared spectrometer , one for Aerosol data; airborne Langley condensation...
Forum: Rumours & News
20th Apr 2010, 05:40
Replies: 3,110
Views: 1,591,181
Posted By ZQA297/30

We are not totally without information on plume...

We are not totally without information on plume penetration. A very special NASA DC-8 documented ash levels, sizes, and gas concentrations and the details are all there for those who have the time to...
Forum: Rumours & News
19th Apr 2010, 22:09
Replies: 3,110
Views: 1,591,181
Posted By ZQA297/30

Removed because of an almost identical post just...

Removed because of an almost identical post just prior to this (Ref NASA DC8 (http://www.alpa.org/portals/alpa/volcanicash/03_NASADC8AshDamage.pdf))
Forum: Rumours & News
19th Apr 2010, 09:09
Replies: 3,110
Views: 1,591,181
Posted By ZQA297/30

As with so many things in aviation, "cut and...

As with so many things in aviation, "cut and dried" cannot be applied to this situation.
I have flow through volcanic ash that apparently fell "out of a clear blue sky".
After taking careful...
Forum: Rumours & News
17th Apr 2010, 09:02
Replies: 3,110
Views: 1,591,181
Posted By ZQA297/30

I am hearing all kinds of complaints, very few...

I am hearing all kinds of complaints, very few solutions.
Could we perhaps have a sensible tech-log thread on what can be done now, and what should be done in the future, since it seems that this...
Forum: Rumours & News
17th Apr 2010, 08:11
Replies: 3,110
Views: 1,591,181
Posted By ZQA297/30

This would be a good time to research aircraft...

This would be a good time to research aircraft carbon emissions and the effect of contrails on global climate.

Are there any piston aircraft that actually have some form of air filter on the...
Forum: Rumours & News
15th Apr 2010, 20:31
Replies: 3,110
Views: 1,591,181
Posted By ZQA297/30

One of the hardest things to do, is to prove...

One of the hardest things to do, is to prove positive safety.

How do you claim credit for all the accidents that didn't happen, probably because of systems and policies implemented.

On the...
Forum: Rumours & News
15th Apr 2010, 20:11
Replies: 3,110
Views: 1,591,181
Posted By ZQA297/30

The fact of the matter is that there is an...

The fact of the matter is that there is an uncertain amount of risk associated with flying through a volcanic dust cloud. Probably most aircraft would be unaffected, but there is a chance that...
Forum: Rumours & News
15th Apr 2010, 17:55
Replies: 3,110
Views: 1,591,181
Posted By ZQA297/30

Having flown through a lot of Sahara Dust, and a...

Having flown through a lot of Sahara Dust, and a small amount of volcanic dust, the most noticeable difference is the abrasion of windshield glass. It becomes micro-pitted, almost looks frosted,...
Showing results 1 to 22 of 22


 
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