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Search: Posts Made By: PBL
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Forum: Rumours & News
3rd Mar 2011, 11:03
Replies: 3,110
Views: 1,591,088
Posted By PBL

If you are referring to this quote, ...

If you are referring to this quote,



then he most certainly is not.

This "latest news report" concerns the witness of the government's chief scientist before a Parliamentary Committee,...
Forum: Rumours & News
31st May 2010, 03:02
Replies: 3,110
Views: 1,591,088
Posted By PBL

It does, sometimes quite centrally, depending on...

It does, sometimes quite centrally, depending on which jurisdiction you are in. There is a well established principle of English law called "ALARP", which is short for "as low as reasonably...
Forum: Rumours & News
30th May 2010, 17:35
Replies: 3,110
Views: 1,591,088
Posted By PBL

For example, in this note...

For example, in this note (http://www.pprune.org/rumours-news/412103-ash-clouds-threaten-air-traffic-150.html#post5706492) you said

and, when I said in this note...
Forum: Rumours & News
30th May 2010, 16:19
Replies: 3,110
Views: 1,591,088
Posted By PBL

My thanks to Airbubba for his encomium. I hope I...

My thanks to Airbubba for his encomium. I hope I deserve it!



This one. (http://www.rvs.uni-bielefeld.de/lectures/sommersemester.php#392155)

Concerning my crude PRA, both brooksjg and...
Forum: Rumours & News
28th May 2010, 16:04
Replies: 3,110
Views: 1,591,088
Posted By PBL

Given that not everyone here knows how to perform...

Given that not everyone here knows how to perform an elementary calculation of the risk due to flying through volcanic ash, I put a crude one up at...
Forum: Rumours & News
28th May 2010, 13:12
Replies: 3,110
Views: 1,591,088
Posted By PBL

Paul is a smart man and I am quite sure he is...

Paul is a smart man and I am quite sure he is aware of what it would take to get accurate experimental data on damage to engines from volcanic ash, especially since he did talk to the people who make...
Forum: Rumours & News
27th May 2010, 11:08
Replies: 3,110
Views: 1,591,088
Posted By PBL

This is true. Indeed, it is well accepted as a...

This is true. Indeed, it is well accepted as a general phenomenon.

Before he was appointed to the U.S. Supreme Court, Justice Stephen Breyer wrote a book "Breaking the Vicious Circle" (Harvard...
Forum: Rumours & News
27th May 2010, 10:14
Replies: 3,110
Views: 1,591,088
Posted By PBL

I don't agree with any of this. This is...

I don't agree with any of this.

This is supposed to be a discussion of an important issue in commercial aviation. It would help if people accurately evaluated the contributions of the discussants....
Forum: Rumours & News
26th May 2010, 10:52
Replies: 3,110
Views: 1,591,088
Posted By PBL

I think Sunfish's argument is based on the fact...

I think Sunfish's argument is based on the fact that airlines sometimes do things which are not necessarily optimal for safety, for a number of reasons (in order to maintain market share, when...
Forum: Rumours & News
26th May 2010, 08:33
Replies: 3,110
Views: 1,591,088
Posted By PBL

This is an impractical suggestion for the short-...

This is an impractical suggestion for the short- or medium-term. As far as I know we are not even close to regulations governing the general flight of UAVs in civil airspace. This is a very hot topic...
Forum: Rumours & News
22nd May 2010, 06:16
Replies: 3,110
Views: 1,591,088
Posted By PBL

Thanks, IF! Yes, brother forget posted it...

Thanks, IF! Yes, brother forget posted it earlier, along with a quote, and I missed it (the quote distracted me).

The pictures show an aircraft with a D-reg (can't see other letters), with engine,...
Forum: Rumours & News
21st May 2010, 10:14
Replies: 3,110
Views: 1,591,088
Posted By PBL

The "refutation" and "lack of re-refutation" have...

The "refutation" and "lack of re-refutation" have no more status than the original rumor. For hobbyists, this might be enough. For many professional purposes, it does not suffice.

PBL
Forum: Rumours & News
21st May 2010, 06:27
Replies: 3,110
Views: 1,591,088
Posted By PBL

Pace, I am here to talk about volcanic ash,...

Pace,

I am here to talk about volcanic ash, not to engage in repartee, but it seemed there was an implicit query in your last contribution as to why I and others don't simply accept your point of...
Forum: Rumours & News
20th May 2010, 08:06
Replies: 3,110
Views: 1,591,088
Posted By PBL

Aren't Internet forums wonderful? I posted a...

Aren't Internet forums wonderful?

I posted a question yesterday about a set of purported pictures of ash damage:

These are the same pictures to which jonwilly referred earlier today. The...
Forum: Rumours & News
19th May 2010, 10:35
Replies: 3,110
Views: 1,591,088
Posted By PBL

Thank you, forget, I am aware of the rumors, but...

Thank you, forget, I am aware of the rumors, but want to know if anyone has a provenance

PBL
Forum: Rumours & News
19th May 2010, 08:47
Replies: 3,110
Views: 1,591,088
Posted By PBL

I blogged on this topic a couple of times over...

I blogged on this topic a couple of times over the last month. People might be interested in http://www.abnormaldistribution.org/2010/04/20/flying-in-volcanic-ash/ ,...
Showing results 1 to 16 of 16


 
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