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Search: Posts Made By: DozyWannabe
Showing results 1 to 35 of 1000
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Forum: Rumours & News
2nd Oct 2020, 02:27
Replies: 1,128
Views: 473,915
Posted By DozyWannabe

That could be a distinct possibility, however...

That could be a distinct possibility, however it's important to remember the state of play that led Boeing to green-light the 737 MAX project in the first place.

Firstly, in 2011 Boeing had...
Forum: Rumours & News
2nd Apr 2019, 01:42
Replies: 5,109
Views: 13,030,861
Posted By DozyWannabe

Hi b1lanc, It's also been a long time since...

Hi b1lanc,

It's also been a long time since I was in Uni (B.Eng Software Engineering) and my old Engineering/Reliability Prof. had us study the Airbus methodology. As I recall, you've got the...
Forum: Tech Log
24th Sep 2016, 08:21
Replies: 1,677
Views: 529,702
Posted By DozyWannabe

Well, I'd imagine they'd be reliable if the...

Well, I'd imagine they'd be reliable if the vertical airflow in a stall situation was > 60kts, but on the other hand that's a situation that no-one in their right mind would want to be in!
Forum: Tech Log
24th Sep 2016, 02:05
Replies: 1,677
Views: 529,702
Posted By DozyWannabe

With respect, I remember it a bit differently. I...

With respect, I remember it a bit differently. I think the consensus was that in theory it's a good idea, however in the case of this particular accident the crew missed so many cues from the...
Forum: Tech Log
10th Sep 2016, 18:14
Replies: 97
Views: 16,890
Posted By DozyWannabe

Along with my user profile, I've explicitly said...

Along with my user profile, I've explicitly said in more posts than I care to remember that I am not a pilot, and more implicitly (in the days when I was around here more often) I deliberately...
Forum: Tech Log
9th Sep 2016, 01:46
Replies: 97
Views: 16,890
Posted By DozyWannabe

No worries - I've said it often enough, but I am...

No worries - I've said it often enough, but I am honestly just trying to add to the conversation and learn stuff as I go, and that has always been the case. I know that the tendency is for internet...
Forum: Tech Log
7th Sep 2016, 01:14
Replies: 97
Views: 16,890
Posted By DozyWannabe

Ultimately, we're talking about two incidents in...

Ultimately, we're talking about two incidents in which a crew elected to proceed with an approach and landing in spite of the overall conditions being questionable at best. At the time of flare and...
Forum: Tech Log
3rd Sep 2016, 04:30
Replies: 97
Views: 16,890
Posted By DozyWannabe

Hullo all, just thought I'd stop by... I'm...

Hullo all, just thought I'd stop by...

I'm seeing a fair bit of misunderstanding as to the status quo (and possible future) of aviation/computer interaction, so figured I'd weigh in briefly:

To...
Forum: Rumours & News
2nd Dec 2015, 01:18
Replies: 3,923
Views: 4,424,578
Posted By DozyWannabe

Yes, and they have. NWA 6231 and Birgenair 301...

Yes, and they have. NWA 6231 and Birgenair 301 are two examples.
Forum: Rumours & News
5th Nov 2015, 02:24
Replies: 2,082
Views: 2,492,949
Posted By DozyWannabe

To be honest, I've never really understood why...

To be honest, I've never really understood why people tend to make this assumption. Airliner manufacturers are insured up the wazoo for circumstances like this one, and I suspect that if the problem...
Forum: Rumours & News
4th Nov 2015, 21:24
Replies: 2,082
Views: 2,492,949
Posted By DozyWannabe

In real terms, whatever they are called has no...

In real terms, whatever they are called has no effect whatsoever on their legitimacy - the whole "DAESH" thing started because it happens to sound similar to a derogatory term. Strictly speaking all...
Forum: Rumours & News
4th Nov 2015, 20:59
Replies: 2,082
Views: 2,492,949
Posted By DozyWannabe

Right - One of the recorders was missing the big...

Right - One of the recorders was missing the big red cylinder (with the recording medium) IIRC, but it was found on a subsequent dive. Either way, as long as the medium container is more-or-less...
Forum: Rumours & News
4th Nov 2015, 20:29
Replies: 2,082
Views: 2,492,949
Posted By DozyWannabe

If that's so then I was misinformed - fair...

If that's so then I was misinformed - fair doos... I do remember that the medium was missing from one of the recorders they brought up from AF447, and that "pinger" part was also missing in the...
Forum: Rumours & News
4th Nov 2015, 20:10
Replies: 2,082
Views: 2,492,949
Posted By DozyWannabe

If I remember what I've seen and read regarding...

If I remember what I've seen and read regarding airliners brought down by bombs, the key technical difference when that happens has to do with metallurgy - IIRC a specific kind of "pitting" in the...
Forum: Tech Log
11th Jun 2015, 01:14
Replies: 1,677
Views: 529,702
Posted By DozyWannabe

@NeoFit - As Machinbird points out, that post is...

@NeoFit - As Machinbird points out, that post is not entirely correct. The PIO began long before the aircraft entered into the stall regime, and the YD was doing its best to correct for it.
Forum: Tech Log
29th May 2015, 15:06
Replies: 65
Views: 58,598
Posted By DozyWannabe

Hmm - kinda-sorta... As you say, Joe Sutter could...

Hmm - kinda-sorta... As you say, Joe Sutter could and did act as a hands-on engineer for much of the 747 project, whereas M. Ziegler was more of a project manager/high-level concept man.


Well,...
Forum: Tech Log
29th May 2015, 02:01
Replies: 98
Views: 36,545
Posted By DozyWannabe

As I've stated many times, I don't work in...

As I've stated many times, I don't work in real-time systems myself (Software Engineering is a job for me, not a calling), so it's unlikely that I'd be hearing it in the work environment. But I only...
Forum: Tech Log
28th May 2015, 14:27
Replies: 65
Views: 58,598
Posted By DozyWannabe

That's for the company in general. I'm talking...

That's for the company in general. I'm talking about the roles on the project itself, not the time period.

Baud and Ziegler were both "Veeps" (i.e. senior company vice presidents of flight...
Forum: Tech Log
27th May 2015, 14:37
Replies: 65
Views: 58,598
Posted By DozyWannabe

No, he was the (effectively) "Chief" Test Pilot...

No, he was the (effectively) "Chief" Test Pilot and lead pilot engineer on the project. There was no single "brain" behind the A320 - it was a long-running collaborative project, as I said above.
...
Forum: Tech Log
27th May 2015, 11:56
Replies: 65
Views: 58,598
Posted By DozyWannabe

I don't know about Henri, but Bernard Ziegler was...

I don't know about Henri, but Bernard Ziegler was known to be something of an inveterate self-publicist. In fact that has a lot to do with the reason Airbus made him VP of Engineering during the...
Forum: Tech Log
27th May 2015, 04:19
Replies: 65
Views: 58,598
Posted By DozyWannabe

Henri Ziegler (BZ's father) was, like his son in...

Henri Ziegler (BZ's father) was, like his son in the case of the A320, the nominal head of the French end of the project, but I've seen no evidence whatsoever that he had any direct involvement in...
Forum: Tech Log
27th May 2015, 02:34
Replies: 65
Views: 58,598
Posted By DozyWannabe

Sure - and I don't think I said or implied...

Sure - and I don't think I said or implied otherwise. What I was getting at was that the reason Boeing required it was as a result of the force-feedback based design.


As I've admitted to in...
Forum: Tech Log
27th May 2015, 00:15
Replies: 98
Views: 36,545
Posted By DozyWannabe

Not applicable here. Would they have been...

Not applicable here.


Would they have been consistently running for 8 months in that period?


Actually, a decent Software Engineering graduate will be *well* aware of the fundamentals of...
Forum: Tech Log
26th May 2015, 23:49
Replies: 98
Views: 36,545
Posted By DozyWannabe

Time for a bit of a reality check, I feel... ...

Time for a bit of a reality check, I feel...


In all fairness, the Ariane 501 scenario is a completely different kettle of fish from what we're talking about here. The former was a case of a...
Forum: Tech Log
20th May 2015, 00:20
Replies: 1,677
Views: 529,702
Posted By DozyWannabe

You'd sound more credible if you'd get the...

You'd sound more credible if you'd get the terminology right - "button pushing" is a feature of autoflight, *not* FBW. FBW and automation are categorically not the same thing.
Forum: Tech Log
2nd May 2015, 01:24
Replies: 98
Views: 36,545
Posted By DozyWannabe

OK, so based on the articles it looks to me that...

OK, so based on the articles it looks to me that this issue was discovered through some kind of regression testing (for non-software folks, this is essentially a form of testing which continually...
Forum: Tech Log
1st May 2015, 21:31
Replies: 65
Views: 58,598
Posted By DozyWannabe

I know who BZ was - if you look at my earlier...

I know who BZ was - if you look at my earlier posts we covered a lot of this stuff - repeatedly. He was the nominal head of the A320 project, but the grunt work of development and testing was done...
Forum: Tech Log
1st May 2015, 03:29
Replies: 65
Views: 58,598
Posted By DozyWannabe

What are the advantages, when the link between...

What are the advantages, when the link between the command method and the response are entirely electronic?


Rubbish.

Look, we've been through this before. The reason two/three crew airliners...
Forum: Safety, CRM, QA & Emergency Response Planning
1st May 2015, 01:54
Replies: 196
Views: 71,693
Posted By DozyWannabe

You must be talking about older reports there,...

You must be talking about older reports there, because aside from the NTSB, the majority of western accident investigatory boards are not permitted to use the term "pilot error" and leave it at that...
Forum: Safety, CRM, QA & Emergency Response Planning
15th Apr 2015, 18:57
Replies: 196
Views: 71,693
Posted By DozyWannabe

I have to say I find some of the mean-spirited...

I have to say I find some of the mean-spirited comments on this thread very disappointing. Blame the passengers, blame the foreigners... :(

I'm a firm believer that the actual issue lies with...
Forum: Tech Log
12th Apr 2015, 00:38
Replies: 38
Views: 10,752
Posted By DozyWannabe

Not really - the point is that as long as...

Not really - the point is that as long as procedures (e.g. automatics off, stabilise flightpath) are followed, it's a fairly simple and straightforward process of elimination. More to the point, if...
Forum: Tech Log
11th Apr 2015, 02:05
Replies: 38
Views: 10,752
Posted By DozyWannabe

@flyingchanges: That's a different thing,...

@flyingchanges:
That's a different thing, really. The Airbus FBW architecture means that you can use the detents for pitch and power in the UAS scenario (see the image in my previous post). ...
Forum: Tech Log
11th Apr 2015, 01:10
Replies: 38
Views: 10,752
Posted By DozyWannabe

I'm a little confused by that - As I understand...

I'm a little confused by that - As I understand it, if autothrust is disengaged the FBW Airbus thrust levers work the "old-fashioned" way - I think the only difference between TLs on FBW Airbii and...
Forum: Tech Log
10th Apr 2015, 22:54
Replies: 2,133
Views: 1,670,364
Posted By DozyWannabe

@Bellerophon: Interesting info - cheers! ...

@Bellerophon:

Interesting info - cheers!

As a sort-of tangent, as an aviation-mad nipper I watched and recorded the 1988 BBC Concorde Special, and pretty much wore the VHS tape out. The...
Forum: Rumours & News
1st Apr 2015, 02:14
Replies: 3,543
Views: 5,575,684
Posted By DozyWannabe

To be fair, I'd argue that the concepts of...

To be fair, I'd argue that the concepts of innocence and guilt have no place whatsoever in accident investigation. That stuff's for the legal beagles - and frankly, they're welcome to it.

As far...
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