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Search: Posts Made By: airtren
Showing results 1 to 35 of 52
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Forum: Tech Log
5th Oct 2011, 12:41
Replies: 1,688
Views: 407,721
Posted By airtren

The beauty of it is that it can embed a certain...

The beauty of it is that it can embed a certain logic in an abstract way in an equation, allowing reference to the logic, or its elements, just by way of referring to the equation, and its...
Forum: Tech Log
4th Oct 2011, 16:57
Replies: 1,688
Views: 407,721
Posted By airtren

In general - and thus independent of specifics...

In general - and thus independent of specifics pertaining to a certain manufacturer - the modern/current airplanes are hugely more complex, and there is a lot more work and attention than before...
Forum: Tech Log
4th Oct 2011, 16:02
Replies: 1,688
Views: 407,721
Posted By airtren

Your rephrasing of my text is still in line with...

Your rephrasing of my text is still in line with what I meant, in the context of the presentation, so I will explain from a different angle. I will use material from that presentation, as what I...
Forum: Tech Log
3rd Oct 2011, 14:20
Replies: 1,688
Views: 407,721
Posted By airtren

[/quote] I find too that the article and...

[/quote]

I find too that the article and also the presentation need some refinement. The presentation - link posted also by:


has some ambiguities that may lead to misunderstanding. While...
Forum: Tech Log
3rd Oct 2011, 12:48
Replies: 1,688
Views: 407,721
Posted By airtren

Of course "knowing your machine" is a very...

Of course "knowing your machine" is a very important element, and agree 100% with parts of the post that are about that. The training and policies failed to prepare the pilots to avoid the...
Forum: Tech Log
3rd Oct 2011, 02:11
Replies: 1,688
Views: 407,721
Posted By airtren

[/quote] No Dozywannabe. The PF acted on...

[/quote]

No Dozywannabe. The PF acted on the elevators, not THS. If the PF acted on the THS, that would have been Manual THS Control.

It was an algorithm in the FBW system that decided to...
Forum: Tech Log
27th Aug 2011, 00:03
Replies: 1,688
Views: 407,721
Posted By airtren

Dozywannabe, It's in the realm of talent,...

Dozywannabe,

It's in the realm of talent, training and practicing.

I am aware of two Airbus 310 day light Successful Stall Recoveries in Europe - Interflug and Tarom, both A310 - in which...
Forum: Tech Log
26th Aug 2011, 23:41
Replies: 1,688
Views: 407,721
Posted By airtren

jcjeant, Someone mentioned at one point the...

jcjeant,

Someone mentioned at one point the Challenger Shuttle accident happening in front of so many watching it, and the O-rings problem that was known for quite some time.

This was mentioned...
Forum: Tech Log
26th Aug 2011, 23:11
Replies: 1,688
Views: 407,721
Posted By airtren

Hello QwainGlyndwr, What I had in mind is...

Hello QwainGlyndwr,

What I had in mind is the 'g load factor' involved in the pitch control (elevators and auto-trim) that may be an impediment to a very quick, but very short (time wise) set of...
Forum: Tech Log
26th Aug 2011, 21:50
Replies: 1,688
Views: 407,721
Posted By airtren

jcjeant, The work, data and discussion that...

jcjeant,

The work, data and discussion that you've alluded to is relevant particularly to the Stall, and Stall Recovery, which was part of what was described as Phase 3 of the events analyzed in...
Forum: Tech Log
26th Aug 2011, 17:48
Replies: 1,688
Views: 407,721
Posted By airtren

Qwain Glyndwr, Thanks for your quick...

Qwain Glyndwr,

Thanks for your quick answers. On my way out, I will make some quick clarifications, and perhaps have some more quick questions.


So, the Elevator to THS surface ratio is...
Forum: Tech Log
26th Aug 2011, 15:11
Replies: 1,688
Views: 407,721
Posted By airtren

Qwain Glyndwr, Thank you for constructing...

Qwain Glyndwr,

Thank you for constructing the graph, and curves, illustrating, and explaining what appears to be the science behind some of the interpretations and assumptions made based on the ...
Forum: Tech Log
26th Aug 2011, 15:08
Replies: 1,688
Views: 407,721
Posted By airtren

HarryMann, Your reference to power steering,...

HarryMann,

Your reference to power steering, brings forward the "feedback question again". As one that spends time racing cars at speeds that are well above those that normal drivers do, the...
Forum: Tech Log
26th Aug 2011, 02:37
Replies: 1,688
Views: 407,721
Posted By airtren

Concur on the thanks to A33Zab. It's a step...

Concur on the thanks to A33Zab.

It's a step in the right direction, and acknowledgement that something needed be done.

But with a use limited to FL250, it seems improvements are in order.
...
Forum: Tech Log
25th Aug 2011, 17:46
Replies: 1,688
Views: 407,721
Posted By airtren

Hello AR33Zab, Thanks for the BUSS...

Hello AR33Zab,

Thanks for the BUSS information.

I could add the following to your post, from the general perspective of compliance to an engineering, or certification specification :

If...
Forum: Tech Log
25th Aug 2011, 16:43
Replies: 1,688
Views: 407,721
Posted By airtren

Old Carthusian, I appreciate the apology,...

Old Carthusian,

I appreciate the apology, as that puts us in line with interpreting the data, which means staying within the "technical" realm, and not the "how", or "why" I am interpreting the...
Forum: Tech Log
25th Aug 2011, 03:53
Replies: 1,688
Views: 407,721
Posted By airtren

Dozywannabe, Did you read "the" post? ...

Dozywannabe,

Did you read "the" post?

The possible alternative to your interpretation is that the poster simply didn't recall accurately the FCOM text, or Takata's posted data, and posted...
Forum: Tech Log
25th Aug 2011, 02:44
Replies: 1,688
Views: 407,721
Posted By airtren

Old Carthusian, The reading of your post...

Old Carthusian,

The reading of your post seems to indicate an implying that there was no problem with any of the cockpit instruments, and all the pilots had to do is just follow them.

That...
Forum: Tech Log
25th Aug 2011, 02:28
Replies: 1,688
Views: 407,721
Posted By airtren

Roulishollandais, So far, I don't think...

Roulishollandais,

So far, I don't think there is an indication within the perspective available on this forum that there is any software problem/bug.

If you see such an indication, please be...
Forum: Tech Log
25th Aug 2011, 01:51
Replies: 1,688
Views: 407,721
Posted By airtren

In fairness, that statement is not 100% false -...

In fairness, that statement is not 100% false - the inhibiting bellow a certain g is true.

It can be amended, see bellow:

THS auto-trim is conditional to the load factor as follows:

THS...
Forum: Tech Log
24th Aug 2011, 15:00
Replies: 1,688
Views: 407,721
Posted By airtren

Clandestino, Your unabated insistence...

Clandestino,



Your unabated insistence on the instrument flying is appreciated.

That indirectly suggests the importance of adequate training, and in this case, the impact of the the lack of...
Forum: Tech Log
24th Aug 2011, 01:45
Replies: 1,688
Views: 407,721
Posted By airtren

Hello A33Zab Thanks for pointing that out....

Hello A33Zab

Thanks for pointing that out. Conforming to the existing color code scheme adds consistency to the a/c-human interface.

Elaborating further:

F - fatal --- most important, and...
Forum: Tech Log
24th Aug 2011, 01:15
Replies: 1,688
Views: 407,721
Posted By airtren

mm43, Thanks for the graph, it makes it...

mm43,

Thanks for the graph, it makes it easier to see.

Did you leave out the "roll commands" and "rudder commands" graphs intentionally?

They can help correlate visually the PF actions...
Forum: Tech Log
23rd Aug 2011, 20:58
Replies: 1,688
Views: 407,721
Posted By airtren

Posted on this before, and concur again. ...

Posted on this before, and concur again.

Audio message can be continuously disruptive, visual can be too, if done in certain ways. Being disruptive once, or twice, to gain attention is perhaps...
Forum: Tech Log
23rd Aug 2011, 20:24
Replies: 1,688
Views: 407,721
Posted By airtren

Indeed, it's a fairly good impression. I should...

Indeed, it's a fairly good impression. I should not be that conservative in equating the real plane with the theoretical/simulated model ran on the Airbus labs computers, and the would be values,...
Forum: Tech Log
23rd Aug 2011, 17:29
Replies: 1,688
Views: 407,721
Posted By airtren

HazelNuts39, Indeed, the graphs at page 41...

HazelNuts39,

Indeed, the graphs at page 41 and 42 with their granularity illustrate better the variations - thanks for pointing that out, and explanation.

Following the cause/effect chains a...
Forum: Tech Log
23rd Aug 2011, 00:46
Replies: 1,688
Views: 407,721
Posted By airtren

A33Zab, I've created this graph that could...

A33Zab,

I've created this graph that could be used to illustrate your references in a perhaps easier fashion.

The graph is indicating the separation between Normal (Phase 1 in BEA Report) and...
Forum: Tech Log
22nd Aug 2011, 15:44
Replies: 1,688
Views: 407,721
Posted By airtren

The content, but also the civil technical...

The content, but also the civil technical discourse is what makes this a Forum of Professionals, and it is a pleasure to notice on this thread or others, the many members that hold steadily to that...
Forum: Tech Log
21st Aug 2011, 14:04
Replies: 1,688
Views: 407,721
Posted By airtren

AlphaZulyRomeo, At a re-read of your text,...

AlphaZulyRomeo,

At a re-read of your text, that last paragraph of my post is to be ignored. Originally I was not 100% if my reading of your text was correct, and at a re-read I realize that it was...
Forum: Tech Log
20th Aug 2011, 16:57
Replies: 1,688
Views: 407,721
Posted By airtren

I appreciate your post, and respect the deference...

I appreciate your post, and respect the deference .
Forum: Tech Log
20th Aug 2011, 15:51
Replies: 1,688
Views: 407,721
Posted By airtren

AlphaZuluRomeo, thanks for the clarification,...

AlphaZuluRomeo, thanks for the clarification, it's very helpful.

If I understand correctly, you're suggesting "limiting any further NU move" of the THS at Stall in Alternate.

I like it - it's a...
Forum: Tech Log
20th Aug 2011, 15:35
Replies: 1,688
Views: 407,721
Posted By airtren

Hello mm43, Thanks for your clarifications....

Hello mm43,

Thanks for your clarifications. I understand your reference to the Stall Warning better. The Stall Warning was active later during the event, there is at least one additional reference...
Forum: Tech Log
20th Aug 2011, 15:08
Replies: 1,688
Views: 407,721
Posted By airtren

Good to know indeed, turbulence and its effects...

Good to know indeed, turbulence and its effects was an area of interest to me too.

Recently I went and re-read some sections of the BEA Report again, and I found the rereading of the mid section...
Forum: Tech Log
20th Aug 2011, 14:58
Replies: 1,688
Views: 407,721
Posted By airtren

Clandestino, We don't have to exchange posts,...

Clandestino,
We don't have to exchange posts, if we can't keep it technical. I apologize in advance, if I got myself, or get in this post, side-tracked into "personal".

I was also looking for...
Forum: Tech Log
19th Aug 2011, 23:57
Replies: 1,688
Views: 407,721
Posted By airtren

Clandestino, This succinct rephrasing of...

Clandestino,

This succinct rephrasing of the sentence I asked about reads and means different, as you are well aware.

In the rephrasing, your wording "overpowering" is an element that is at...
Showing results 1 to 35 of 52
 
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