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Search: Posts Made By: DozyWannabe
Showing results 1 to 35 of 62
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Forum: Tech Log
9th Jan 2013, 17:49
Replies: 308
Views: 77,554
Posted By DozyWannabe

Couple of pages back, but speaking for myself I'm...

Couple of pages back, but speaking for myself I'm really hoping we can avoid the hamster wheel this time!
Forum: Tech Log
9th Jan 2013, 17:09
Replies: 308
Views: 77,554
Posted By DozyWannabe

At the risk of going too far off-topic, I won't...

At the risk of going too far off-topic, I won't carry on past this post - but I was thinking of the RR Medways that were slated for the original version of the Trident (and sadly stayed on the...
Forum: Tech Log
9th Jan 2013, 16:29
Replies: 308
Views: 77,554
Posted By DozyWannabe

I'd hoped that the winking smiley on the end of...

I'd hoped that the winking smiley on the end of the paragraph (not to mention that the paragraph itself was entirely off-topic) would be a clue that I wasn't being entirely serious...
Forum: Tech Log
9th Jan 2013, 16:09
Replies: 308
Views: 77,554
Posted By DozyWannabe

Not at all sir, just offering a light-hearted...

Not at all sir, just offering a light-hearted comment! The birds we prefer (and the reasons we love 'em) are a personal thing for the most part, and I respect your choice even if I don't necessarily...
Forum: Tech Log
9th Jan 2013, 13:52
Replies: 308
Views: 77,554
Posted By DozyWannabe

That's not strictly true. Development and...

That's not strictly true. Development and refinement of the FBW systems has continued significantly in the 24 years since the aircraft went into service, but there are limits to how much can be...
Forum: Tech Log
8th Jan 2013, 16:04
Replies: 308
Views: 77,554
Posted By DozyWannabe

From the EAD (emphasis mine): If in...

From the EAD (emphasis mine):



If in climb phase, would we not be talking about a significantly different scenario than cruise, given that it would be starting from a higher positive pitch and...
Forum: Tech Log
7th Jan 2013, 18:56
Replies: 308
Views: 77,554
Posted By DozyWannabe

Again - BUSS works from AoA data - how could it...

Again - BUSS works from AoA data - how could it have played a positive role when all the AoA data was false?

(It's undeniably useful in circumstances where the pitot-static system is FUBARed...
Forum: Tech Log
7th Jan 2013, 16:25
Replies: 308
Views: 77,554
Posted By DozyWannabe

I don't see how - Boeing "hotly denied" there was...

I don't see how - Boeing "hotly denied" there was a technical fault, I didn't. Neither did Airbus or EASA.

Furthermore, Boeing's denials came in the wake of two fatal crashes and a near-miss. So...
Forum: Tech Log
7th Jan 2013, 14:48
Replies: 308
Views: 77,554
Posted By DozyWannabe

It's not a solution, it's a short-term workaround...

It's not a solution, it's a short-term workaround while the problem is investigated (albeit internally under EASA supervision) and fixed - just as the increased Vapp was in the 737 case.

Given...
Forum: Tech Log
7th Jan 2013, 14:19
Replies: 308
Views: 77,554
Posted By DozyWannabe

@jcj - The BEA cannot start an investigation if...

@jcj - The BEA cannot start an investigation if the Japanese and Taiwanese don't want them to, nor can they involve themselves in an ongoing investigation without being invited to do so.

@TD - The...
Forum: Tech Log
7th Jan 2013, 12:36
Replies: 308
Views: 77,554
Posted By DozyWannabe

It took almost ten years, a time during which...

It took almost ten years, a time during which Boeing submitted their own internal report to the FAA which blamed the pilots of UA535 for the crash. The PCU design was such that it could affect any...
Forum: Tech Log
6th Jan 2013, 23:52
Replies: 308
Views: 77,554
Posted By DozyWannabe

As I said, I want to wait for the report before...

As I said, I want to wait for the report before drawing conclusions - the fact is that this is but one incident, apparently caused primarily by faulty AoA vanes. Mandating a sweeping change of the...
Forum: Tech Log
6th Jan 2013, 21:36
Replies: 308
Views: 77,554
Posted By DozyWannabe

Thanks - I'm going to wait for the report, but at...

Thanks - I'm going to wait for the report, but at the same time I don't think it's fair to pin this on the protections - there's something screwy with the AoA probes, and despite not being prepared...
Forum: Tech Log
5th Jan 2013, 16:21
Replies: 308
Views: 77,554
Posted By DozyWannabe

So you assume, but I've been told differently -...

So you assume, but I've been told differently - more than once.
Forum: Tech Log
4th Jan 2013, 19:37
Replies: 308
Views: 77,554
Posted By DozyWannabe

Nor did I imply that you did - my intent was that...

Nor did I imply that you did - my intent was that the context of the discussion at the time (which related to monitoring inexperienced pilots by "following through" on the controls) should have made...
Forum: Tech Log
4th Jan 2013, 17:42
Replies: 308
Views: 77,554
Posted By DozyWannabe

From...

From http://www.atsb.gov.au/media/24550/aair200503722_001.pdf







The article (which I found after Clandestino clued me in to the incident - don't hold him responsible for the content)...
Forum: Tech Log
4th Jan 2013, 16:55
Replies: 308
Views: 77,554
Posted By DozyWannabe

Not in that instance. Check the article I posted...

Not in that instance. Check the article I posted in the other (T7 AoA) thread. According to the article (which quotes the ATSB report) the 777's systems re-engaged autothrottle uncommanded at least...
Forum: Tech Log
4th Jan 2013, 15:22
Replies: 308
Views: 77,554
Posted By DozyWannabe

It wouldn't be the "most obvious" to pilots (such...

It wouldn't be the "most obvious" to pilots (such as those we're discussing) whose main familiarity was with Airbus FBW types because they know that option is difficult and are trained to monitor...
Forum: Tech Log
4th Jan 2013, 15:04
Replies: 308
Views: 77,554
Posted By DozyWannabe

Where did he do that? I don't think he did, at...

Where did he do that? I don't think he did, at least given the CVR and FDR evidence. No discrepancy between input and the aircraft's behaviour in that case ever existed, and there's no evidence to...
Forum: Tech Log
4th Jan 2013, 14:05
Replies: 308
Views: 77,554
Posted By DozyWannabe

@LW_50 - With respect, Clandestino seems to...

@LW_50 - With respect, Clandestino seems to understand what I was driving at even if I phrased it badly (note I attempted to re-phrase above) - namely that you're not generally supposed to constantly...
Forum: Tech Log
3rd Jan 2013, 22:44
Replies: 308
Views: 77,554
Posted By DozyWannabe

A few additions... Or the ATCO - he...

A few additions...



Or the ATCO - he gave an incorrect radar vector that put them significantly left of centreline.



Both of which were recovered and landed safely, the latter of which...
Forum: Tech Log
3rd Jan 2013, 21:45
Replies: 308
Views: 77,554
Posted By DozyWannabe

I did then, and I've just re-skimmed it now to...

I did then, and I've just re-skimmed it now to remind myself. Thank you very much for taking the time to inform me. Please understand that any of my responses are intended to be in the spirit of...
Forum: Tech Log
3rd Jan 2013, 19:30
Replies: 308
Views: 77,554
Posted By DozyWannabe

@jcj - Precisely. High level concepts, not...

@jcj - Precisely. High level concepts, not implementation detail.



There's an annual lecture in the latter's name at the Toulouse Branch of the RAES. From what I'm told he wasn't much for...
Forum: Tech Log
3rd Jan 2013, 19:05
Replies: 308
Views: 77,554
Posted By DozyWannabe

I told you - I cannot talk about the info I have,...

I told you - I cannot talk about the info I have, or it's source, without permission from the person who told me. As I do not have that, my hands are tied and I'm sorry.

I'm not asking for a...
Forum: Tech Log
3rd Jan 2013, 18:56
Replies: 308
Views: 77,554
Posted By DozyWannabe

jcj - It's not about minimising, it's about an...

jcj - It's not about minimising, it's about an honest appraisal of what went on. BZ's role was that of a product evangelist and publicist and for better or worse, his approach rubbed many people up...
Forum: Tech Log
3rd Jan 2013, 18:37
Replies: 308
Views: 77,554
Posted By DozyWannabe

That was his education, but his profession was as...

That was his education, but his profession was as a pilot - he was not an engineering pilot from what I've been told. While still at the ARB, Gordon Corps had been working with the technology from...
Forum: Tech Log
3rd Jan 2013, 18:10
Replies: 308
Views: 77,554
Posted By DozyWannabe

Understood, but please humour me and try to...

Understood, but please humour me and try to explain. I'm not debating the desirability in this instance, I'm just not convinced - and it seems neither were the pilot engineering team at Airbus -...
Forum: Tech Log
3rd Jan 2013, 17:52
Replies: 308
Views: 77,554
Posted By DozyWannabe

@BOAC - A "Dual Input" rumbler would have worked...

@BOAC - A "Dual Input" rumbler would have worked just as well in that situation - equally, as I said, the CVR suggests that the PNF was aware of what the PF was doing, but felt unable to take...
Forum: Tech Log
3rd Jan 2013, 17:32
Replies: 308
Views: 77,554
Posted By DozyWannabe

Again - to what benefit? Adding more data to the...

Again - to what benefit? Adding more data to the visual perception channel risks overloading it. Why the need to know precisely and at all times what your opposite number is doing with the PFC when...
Forum: Tech Log
3rd Jan 2013, 17:04
Replies: 308
Views: 77,554
Posted By DozyWannabe

None of what we're discussing here is going to...

None of what we're discussing here is going to change anything in terms of how any manufacturer implements their PFCs - but that aside what we're talking about is the relative usefulness of being...
Forum: Tech Log
3rd Jan 2013, 16:48
Replies: 308
Views: 77,554
Posted By DozyWannabe

I'm not rejecting anything, I just want to know...

I'm not rejecting anything, I just want to know why you think such a setup would be better. If you're going to do nothing but put words in my mouth then I have nothing more to say on the matter.
Forum: Tech Log
3rd Jan 2013, 16:38
Replies: 308
Views: 77,554
Posted By DozyWannabe

@Lyman - To what benefit? In airliner operation...

@Lyman - To what benefit? In airliner operation the PNF/PM is supposed to be monitoring the aircraft, not the other pilot.

I want to know why you think such a proposal would be an improvement and...
Forum: Tech Log
3rd Jan 2013, 16:19
Replies: 308
Views: 77,554
Posted By DozyWannabe

What of the pilot engineering group? Also note...

What of the pilot engineering group? Also note that there is a distinct difference of opinion within the piloting group itself.

EDIT : And there was never a case in the A320 project, or the...
Forum: Tech Log
3rd Jan 2013, 15:41
Replies: 308
Views: 77,554
Posted By DozyWannabe

Bet it cost more to implement and certify for...

Bet it cost more to implement and certify for civil aviation use than a trip to the Toulouse branch of "Game" though! ;)

GF - you seem puzzled as to why they're not doing everything you ask. Last...
Forum: Tech Log
2nd Jan 2013, 19:59
Replies: 308
Views: 77,554
Posted By DozyWannabe

Interesting theory, unfortunately the truth is...

Interesting theory, unfortunately the truth is somewhat more prosaic. The term was first used for a BEA (as in British European Airways) specification in the mid-60s that was designed to augment or...
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