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Search: Posts Made By: brooksjg
Showing results 1 to 35 of 98
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Forum: Spectators Balcony (Spotters Corner)
24th May 2011, 12:21
Replies: 8
Views: 4,107
Posted By brooksjg

Apparently original aircraft still 'being...

Apparently original aircraft still 'being investigated'. Shannon departures had BA239 carrying on to Boston at 0905 this a.m. - but still at Shannon at 1300 UK time. BA flight information makes it...
Forum: Rumours & News
11th Aug 2010, 13:54
Replies: 3,110
Views: 1,592,653
Posted By brooksjg

Beautiful imagery - but still fails to address...

Beautiful imagery - but still fails to address the key problem: timeliness. I assume at least some of the satellites in use were in polar orbits, so there's a variable delay before the patch of...
Forum: Rumours & News
8th Jun 2010, 09:00
Replies: 24
Views: 8,082
Posted By brooksjg

So you did! There it is on page 43! What goes...

So you did! There it is on page 43!
What goes around comes around but don't sell yourself short: it'sentirely possible that someone at Easyjet picked up on your posting (when, it appears, no-one...
Forum: Rumours & News
8th Jun 2010, 00:35
Replies: 24
Views: 8,082
Posted By brooksjg

Exactly. 'Light' in your categories means 'not...

Exactly. 'Light' in your categories means 'not visible' and unfortunately probably not visualised by the IR system discussed. But where do the current limits (2000 and 4000 microgrammes per cu...
Forum: Rumours & News
7th Jun 2010, 13:17
Replies: 24
Views: 8,082
Posted By brooksjg

Assuming the camera system gives an edge-on view...

Assuming the camera system gives an edge-on view of a VA cloud ahead of the aircraft, there's an immediate problem with ranging (ie. distance to the near and far edges of the cloud). Even if it's...
Forum: Rumours & News
7th Jun 2010, 11:06
Replies: 24
Views: 8,082
Posted By brooksjg

There's a bit of a difference between a request...

There's a bit of a difference between a request for a height / heading change (at least partly) for the comfort of pax and a 'must have' change because the current heading / height is not going to be...
Forum: Tech Log
5th Jun 2010, 17:48
Replies: 7
Views: 1,512
Posted By brooksjg

Article referenced above covers only processing...

Article referenced above covers only processing of data from satellites.

As far as it went, Easyjet announcement referred only to data from (a) camera(s) on board aircraft.

Intuitively, it...
Forum: Tech Log
5th Jun 2010, 17:33
Replies: 1
Views: 828
Posted By brooksjg

Good, maybe, in parts

[Yawn]
Plenty of discussion here already. (see 417154-easy-jet-use-infra-red-cameras-avoid-ash.html in Rumours and News and other threads.)

See also 'A Topical Gizmo' within spitting distance of...
Forum: Rumours & News
4th Jun 2010, 13:41
Replies: 3,110
Views: 1,592,653
Posted By brooksjg

(attrib above to Mr Prata) Yeah - right. ...

(attrib above to Mr Prata)

Yeah - right. You get '5 minutes' (or less) warning of 'VA Ahead' - then you have to contact ATC, request a route / height change, wait for ATC to decide based on other...
Forum: Rumours & News
4th Jun 2010, 13:24
Replies: 24
Views: 8,082
Posted By brooksjg

hmmmm.... There were previous references to...

hmmmm....

There were previous references to Mr (Dr?) Prata here around 16th May.

If it's true (as suggested in a reference above) that Mr Prata was all set to Rock & Roll with development of...
Forum: Rumours & News
4th Jun 2010, 08:38
Replies: 3,110
Views: 1,592,653
Posted By brooksjg

Sunfish: errr - what are you actually...

Sunfish:

errr - what are you actually 'sick' about? Comments about inappropriate regulations? Inaction? Slow response?

I assume your ICAO reference is intended to reassure that ICAO is...
Forum: Rumours & News
4th Jun 2010, 08:17
Replies: 24
Views: 8,082
Posted By brooksjg

This story got coverage on UK BBC TV News this...

This story got coverage on UK BBC TV News this morning, featuring the CEO of Easyjet. However, Easyjet itself evidently considers this more PR than 'news' - there's absolutely nothing about it on...
Forum: Aviation History and Nostalgia
2nd Jun 2010, 09:48
Replies: 49
Views: 10,550
Posted By brooksjg

What about the one I imagined I saw parked up at...

What about the one I imagined I saw parked up at LHR? :confused:
Forum: Rumours & News
2nd Jun 2010, 09:32
Replies: 3,110
Views: 1,592,653
Posted By brooksjg

I wish it were that simple! There are at least...

I wish it were that simple!
There are at least three groups at the Sharp End!
- the certain (but possibly wrong) sceptics who are not supported by the current (or previous) rules about VA;
- the...
Forum: Rumours & News
1st Jun 2010, 21:10
Replies: 3,110
Views: 1,592,653
Posted By brooksjg

I'm glad you said that.... I've seen various...

I'm glad you said that....

I've seen various 'melting points' for VA mentioned, some early in this thread. However, since they were considerably lower than the figure I 've now been told for the...
Forum: Rumours & News
1st Jun 2010, 18:08
Replies: 3,110
Views: 1,592,653
Posted By brooksjg

Turbine cooling system temperature

On 30th May I posted that I had been trying to discover the maximum temperature of air inside turbine blades and other parts of the cooling system.

I now have an answer for one type of (high...
Forum: Rumours & News
30th May 2010, 23:46
Replies: 3,110
Views: 1,592,653
Posted By brooksjg

[YAWN] Been there, already got the T-shirt........

[YAWN]
Been there, already got the T-shirt.....
IT'S A HOAX!!! (Something else unpleasant happened to this engine, during MARCH ie. before VA became an issue).

Already been through this...
Forum: Rumours & News
30th May 2010, 11:51
Replies: 3,110
Views: 1,592,653
Posted By brooksjg

This is the key to the whole set of issues around...

This is the key to the whole set of issues around engine damage caused by LOW levels of VA.

(Forget, for a moment, accurate detection of areas of HIGH VA concentration in bad visibility and...
Forum: Rumours & News
29th May 2010, 10:37
Replies: 3,110
Views: 1,592,653
Posted By brooksjg

'Your' course? or a course you were at? ...

'Your' course? or a course you were at?

Doesn't matter - at least part of the audience must have lost focus, otherwise your comments would have been re-edited by now.

Estimating the total...
Forum: Rumours & News
28th May 2010, 10:01
Replies: 3,110
Views: 1,592,653
Posted By brooksjg

Re: New Scientist report on VA in engines

Looks like someone at New Scientist has caught the Bureaucratic Disease causing mental 'tunnel vision'. Ex Cathedra view on testing engines: 'destructive testing across a range of them will be...
Forum: Rumours & News
28th May 2010, 09:46
Replies: 35
Views: 15,375
Posted By brooksjg

Hasn't been so much interest in a new Director at...

Hasn't been so much interest in a new Director at the CAA since Hypatia was moonlighting from her librarian job!:):)
Forum: Rumours & News
27th May 2010, 19:29
Replies: 3,110
Views: 1,592,653
Posted By brooksjg

Of course you're right about who's really in...

Of course you're right about who's really in control.
However...
The bureaucrat's natural instinct is the path of least resistance leading to no comebacks.
So if one of his political 'masters'...
Forum: Rumours & News
27th May 2010, 18:25
Replies: 3,110
Views: 1,592,653
Posted By brooksjg

Don't expect a rational response anytime soon if...

Don't expect a rational response anytime soon if those making decisions are politicians or people (ie. bureaucrats) controlled by politicians.

For a direct comparison, consider the risk of death...
Forum: Rumours & News
26th May 2010, 13:33
Replies: 3,110
Views: 1,592,653
Posted By brooksjg

Oh dear..... misinterpretation and sometimes...

Oh dear..... misinterpretation and sometimes misrepresentation are a bit of a safety hazard around here!

I NEVER suggested that any UAVs should fly in or near air routes.

If you want to run...
Forum: Rumours & News
25th May 2010, 22:00
Replies: 3,110
Views: 1,592,653
Posted By brooksjg

Huh???? I NEVER suggested anything of the...

Huh????

I NEVER suggested anything of the sort.

My observation is that the VAAC forecasting can be inaccurate, as was especially obvious on 17th May. There is some technology (UAVs with...
Forum: Rumours & News
25th May 2010, 09:05
Replies: 3,110
Views: 1,592,653
Posted By brooksjg

Part of the purpose of my last post was to...

Part of the purpose of my last post was to highlight that the industry has done nothing except react 'passively'. Whether this reaction was adequate or technically sound is debatable. Anyway, we...
Forum: Rumours & News
24th May 2010, 22:45
Replies: 3,110
Views: 1,592,653
Posted By brooksjg

Based on most recent events, I beg to differ. ...

Based on most recent events, I beg to differ. We're more likely at a 'Rumsfeld Moment', when it's become apparent that there are some extra Known Unknowns which either didn't matter previously or...
Forum: Rumours & News
24th May 2010, 16:13
Replies: 3,110
Views: 1,592,653
Posted By brooksjg

Yes - not necessarily one 'incorrect' forecast -...

Yes - not necessarily one 'incorrect' forecast - a whole series of totally consistent forecasts, over at least 3 days, showing movement South / South-eastward and gradual expansion of the cloud's...
Forum: Rumours & News
24th May 2010, 10:43
Replies: 3,110
Views: 1,592,653
Posted By brooksjg

errrr.... The Powers That Be can (easily)...

errrr....

The Powers That Be can (easily) change the specified minima/maxima for any given situation, so long as the new value remains inside other legal / regulatory limits that may apply. They...
Forum: Rumours & News
24th May 2010, 00:07
Replies: 3,110
Views: 1,592,653
Posted By brooksjg

VA forecast accuracy

Now that the dust has settled (at least for the moment!), has anyone seen any proper explanation (especially from the Met Office) for the overall lack of accuracy of VA Forecasting and, in...
Forum: Rumours & News
22nd May 2010, 09:32
Replies: 341
Views: 93,950
Posted By brooksjg

OH Nooooooo!!!! Many charities and other...

OH Nooooooo!!!!

Many charities and other NGOs are already totally f'ed up by their supercargo of incompetents and do-gooders who fail to confront the realities of the problems they purport to...
Forum: Rumours & News
22nd May 2010, 09:18
Replies: 3,110
Views: 1,592,653
Posted By brooksjg

I guess that a whole lot of the 'Ash Emergency'...

I guess that a whole lot of the 'Ash Emergency' reporting from the Meeja generally is examples of 'Never let a Few Facts get in the way of a Good Story'.

Even the Flightglobal story reporting no...
Forum: Rumours & News
21st May 2010, 09:31
Replies: 3,110
Views: 1,592,653
Posted By brooksjg

...lets not go too far to under-state the risk. ...

...lets not go too far to under-state the risk.
There have been documented daytime 'incidents' involving damage to engines apparently caused by VA. Thankfully nothing involving any personal injury...
Forum: Rumours & News
18th May 2010, 16:30
Replies: 3,110
Views: 1,592,653
Posted By brooksjg

Even more alarming is the lead-up to the 'jump at...

Even more alarming is the lead-up to the 'jump at Warp 9'.

VA charts for the preceding several days had all shown a consistent progression towards the supposedly-accurate chart for Monday 0600. ...
Forum: Rumours & News
18th May 2010, 07:34
Replies: 3,110
Views: 1,592,653
Posted By brooksjg

VA Forecast accuracy

As it happened, I was paying closer attention to the Met Office Red/Black composite graphics yesterday and was surprised to see the supposed Ash Cloud with a large Black area extending southward...
Showing results 1 to 35 of 98
 
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