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Search: Posts Made By: Diagnostic
Showing results 1 to 35 of 37
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Forum: Tech Log
8th Apr 2012, 03:07
Replies: 1,353
Views: 299,972
Posted By Diagnostic

@PJ2, Thanks for your comments. I note...

@PJ2,

Thanks for your comments. I note you're taking a break from this, as I will also be doing. I've learned new information from some people, including you, over the past few days, thanks.

...
Forum: Tech Log
7th Apr 2012, 00:13
Replies: 1,353
Views: 299,972
Posted By Diagnostic

@Organfreak, Hi, That's exactly my...

@Organfreak,

Hi,


That's exactly my view - maybe they would have responded correctly, since such a warning reduces the ambiguity about what is being recommended to them. For me, as with all...
Forum: Tech Log
6th Apr 2012, 22:45
Replies: 1,353
Views: 299,972
Posted By Diagnostic

@Old Carthusian, Thanks for the...

@Old Carthusian,

Thanks for the clarification. I'll reply to your points out-of-order as you introduced an important point later in your reply:


In that case, unfortunately you misunderstand...
Forum: Tech Log
6th Apr 2012, 02:23
Replies: 1,353
Views: 299,972
Posted By Diagnostic

@Old Carthusian, Hi, As with my reply...

@Old Carthusian,

Hi,

As with my reply to PJ2 I've tried to reduce the quotes a little, but if you think I've destroyed the context, then I'm sorry and please point out what's wrong.


Why...
Forum: Tech Log
6th Apr 2012, 00:30
Replies: 1,353
Views: 299,972
Posted By Diagnostic

@Hamburt Spinkleman, Hi, I believe I...

@Hamburt Spinkleman,

Hi,


I believe I have answered this during my reply above to PJ2 - the short answer is page 51 onwards in that report. However if you disagree, I'm happy to again quote...
Forum: Tech Log
6th Apr 2012, 00:14
Replies: 1,353
Views: 299,972
Posted By Diagnostic

Hi PJ2, Thanks very much for your comments...

Hi PJ2,

Thanks very much for your comments all through these threads, and for the opportunity to discuss. I've tried to minimise the quotes, while still (hopefully) keeping the context - if you...
Forum: Tech Log
5th Apr 2012, 14:13
Replies: 1,353
Views: 299,972
Posted By Diagnostic

@mm43, Hi, And thanks for your...

@mm43,

Hi,


And thanks for your continued comments :)


I can certainly see some merit to an automated "UAS handling", and I firmly believe that the "startle factor" is indeed an issue to...
Forum: Tech Log
5th Apr 2012, 03:53
Replies: 1,353
Views: 299,972
Posted By Diagnostic

@RR_NDB, Hi, I know your post wasn't...

@RR_NDB,

Hi,

I know your post wasn't addressed to me, but I just wanted to say that I agree with all your points above :ok:

I wonder why this explicit UAS warning isn't being done already. ...
Forum: Tech Log
5th Apr 2012, 02:41
Replies: 1,353
Views: 299,972
Posted By Diagnostic

@mm43, I agree sir that the PNF announced...

@mm43,


I agree sir that the PNF announced those 2 points, but as we see in the CVR transcript, no-one mentioned (i.e. vocalised) the UAS process (memory items - decide whether needed or not,...
Forum: Tech Log
22nd Dec 2011, 16:32
Replies: 1,353
Views: 299,972
Posted By Diagnostic

Personally I do not believe the PF's call of "I...

Personally I do not believe the PF's call of "I have the controls" (in French) was acknowledgement that he was in ALT2 - it was only acknowledgement that the AP had disconnected, and hence the PF has...
Forum: Tech Log
22nd Nov 2011, 00:25
Replies: 1,353
Views: 299,972
Posted By Diagnostic

Agreed completely, Machinbird. Like you, I see...

Agreed completely, Machinbird. Like you, I see evidence (in both the control handling and CVR transcript) that the PF seems to have changed his mental picture (perhaps because he never found one...
Forum: Tech Log
14th Nov 2011, 01:25
Replies: 1,353
Views: 299,972
Posted By Diagnostic

@Old Carthusian: Hi, I don't know why...

@Old Carthusian:

Hi,

I don't know why you're addressing a reply to me about your flying background - I didn't ask any question about it :)

My earlier replies to you were just trying to help...
Forum: Tech Log
13th Nov 2011, 01:22
Replies: 1,353
Views: 299,972
Posted By Diagnostic

@DozyWannabe: While I appreciate your posts...

@DozyWannabe:

While I appreciate your posts and I learn from your comments, I cannot let the following go without commenting:


I respectfully suggest that saying "without incident" is an...
Forum: Tech Log
12th Nov 2011, 12:57
Replies: 1,353
Views: 299,972
Posted By Diagnostic

How do you know what I "bothered" to do? That's...

How do you know what I "bothered" to do? That's a judgement call you're not qualified to make, unless you're looking over my shoulder at what I'm reading. :)

I have read all your posts in this...
Forum: Tech Log
12th Nov 2011, 12:14
Replies: 1,353
Views: 299,972
Posted By Diagnostic

@rudderrudderrat: Yes, very likely! @Old...

@rudderrudderrat: Yes, very likely!

@Old Carthusian:





[My emboldening above]
Forum: Tech Log
12th Oct 2011, 19:48
Replies: 1,688
Views: 407,247
Posted By Diagnostic

@Clandestino: With respect, sir, you (and...

@Clandestino:


With respect, sir, you (and the BEA) do not know that those "37" other crews faced "the same" problems as AF447 (how many of the multiple elements of each situation are you...
Forum: Tech Log
28th Sep 2011, 21:18
Replies: 1,688
Views: 407,247
Posted By Diagnostic

@Lonewolf_50: Many thanks for your comments. :)...

@Lonewolf_50:
Many thanks for your comments. :) I think it will also be very interesting what the human factors part of the final BEA report says. IMHO sometimes CRM in critical situations works...
Forum: Tech Log
28th Sep 2011, 01:36
Replies: 1,688
Views: 407,247
Posted By Diagnostic

@ RR_NDB and jcjeant: Agreed, yes - one...

@ RR_NDB and jcjeant:

Agreed, yes - one interpretation is that the PF was basically "trying things", to see what happened, at least on some occasions (e.g. the speedbrakes). I had written...
Forum: Tech Log
27th Sep 2011, 22:54
Replies: 1,688
Views: 407,247
Posted By Diagnostic

@Lonewolf_50: I'm not trying to reply for...

@Lonewolf_50:

I'm not trying to reply for Dozy, but I wanted to add a comment:

IMHO the lack of an acknowledgement by the PF (according to the CVR transcript) to the PNF calling Alternate Law...
Forum: Tech Log
1st Sep 2011, 23:58
Replies: 1,688
Views: 407,247
Posted By Diagnostic

@Clandestino: Thanks for the clarification. ...

@Clandestino:
Thanks for the clarification.

Indeed - I was just quoting your mention of that number, without detailing the variations around it.


But that only addresses one reaction - to the...
Forum: Tech Log
1st Sep 2011, 21:19
Replies: 1,688
Views: 407,247
Posted By Diagnostic

AoA Vane #1

@mm43:

Agreed, sir - my point is just that we do have another plausible potential reason, and so I don't think we can say the AoA vanes (specifically #1) were definitely affected by ice.

I'm...
Forum: Tech Log
1st Sep 2011, 15:26
Replies: 1,688
Views: 407,247
Posted By Diagnostic

@Old Carthusian: Which can and has been...

@Old Carthusian:


Which can and has been ignored by pilots. It is important to remember that this is not an accident related to the aircraft configuration. It is an accident related to aircrew...
Forum: Tech Log
31st Aug 2011, 23:41
Replies: 1,688
Views: 407,247
Posted By Diagnostic

Agreed completely. From what I read on here,...

Agreed completely.

From what I read on here, training (which is where I see one of the main deficiencies in the set of "holes" leading to the tragedy) has already been improved. If the A/P can...
Forum: Tech Log
31st Aug 2011, 20:38
Replies: 1,688
Views: 407,247
Posted By Diagnostic

Agreed, of course :) The point I was trying...

Agreed, of course :)

The point I was trying to make, is that to lump the other 32 UAS together as some kind of non-events, and not the near disasaters which some could have been due to poor /...
Forum: Tech Log
31st Aug 2011, 19:21
Replies: 1,688
Views: 407,247
Posted By Diagnostic

Previous 32 UAS events

Basically, yes.

Those previous 32 UAS events (which you've mentioned a few times now, in an apparent attempt to show that AF447 was the exception), were not all identical in their effects, and...
Forum: Tech Log
31st Aug 2011, 10:30
Replies: 1,688
Views: 407,247
Posted By Diagnostic

@RetiredF4: Thanks for your perspective on...

@RetiredF4:
Thanks for your perspective on things...

I was catching-up with the thread yesterday after some time away, and I saw you mentioned the VSI / VVI a few days ago also. I've searched...
Forum: Tech Log
14th Aug 2011, 21:36
Replies: 1,688
Views: 407,247
Posted By Diagnostic

Hi Gums, Agreed, sir - as others here have...

Hi Gums,

Agreed, sir - as others here have said before, a stall warning which turns off even when the aircraft is still stalled, is likely difficult for them to understand. I wonder how many AB...
Forum: Tech Log
14th Aug 2011, 19:19
Replies: 1,688
Views: 407,247
Posted By Diagnostic

Hi Machinbird, Thanks again and I do agree...

Hi Machinbird,

Thanks again and I do agree that training is the key! I'm just not sure we can rely on some (beancounter-driven) airlines to give pilots all the training (inc opportunities for...
Forum: Tech Log
14th Aug 2011, 16:59
Replies: 1,688
Views: 407,247
Posted By Diagnostic

Hi 3holelover: Thank you for that, and I'm...

Hi 3holelover:

Thank you for that, and I'm happy to be corrected. I can only speak from my GA (control column) piloting experience, where no such neutral "detent" or bias exists. Now you mention...
Forum: Tech Log
14th Aug 2011, 15:25
Replies: 1,688
Views: 407,247
Posted By Diagnostic

How about a "pitch lock", like "throttle lock"?

Hi rudderrudderrat,

Or unless there is turbulance - true?

It seems to me that the PF had to make some roll inputs immediately after the AP disconnected, due to the turbulance (page 74,...
Forum: Tech Log
12th Aug 2011, 09:56
Replies: 1,998
Views: 511,539
Posted By Diagnostic

@vbp.net: Many thanks for your comments. ...

@vbp.net:

Many thanks for your comments. That helps to crystalise some of my own thoughts about what is important. Although discussions about the stall warning logic were removed from this 3rd...
Forum: Tech Log
12th Aug 2011, 09:48
Replies: 1,998
Views: 511,539
Posted By Diagnostic

@HeavyMetallist: Agreed. I know from my...

@HeavyMetallist:

Agreed. I know from my writing of RCA reports when things go wrong (but thankfully not accident reports), that it is important to mention what data has been considered & dismissed...
Forum: Tech Log
12th Aug 2011, 08:51
Replies: 1,998
Views: 511,539
Posted By Diagnostic

@A33Zab: Understood - but in that case there...

@A33Zab:

Understood - but in that case there seems no reason for them not to say "FYI, we saw AoA #1 misreading - but this issue is already known, see EASA AD ...". If they wrote something like...
Forum: Tech Log
12th Aug 2011, 08:36
Replies: 1,998
Views: 511,539
Posted By Diagnostic

@sensor_validation: I thought those...

@sensor_validation:

I thought those (Goodrich) AoA probes had been effectively mistreated (due to the incorrect pressure wash forcing water past the seals), so they were not to blame. At least...
Forum: Tech Log
12th Aug 2011, 08:04
Replies: 1,998
Views: 511,539
Posted By Diagnostic

@vbp.net: The EASA AD kindly found & linked...

@vbp.net:

The EASA AD kindly found & linked by sensor_validation in his post #1765 specifically mentions A330 & A340 and not A320?! IMHO the answer we don't yet know, is whether that model of AoA...
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