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Search: Posts Made By: Clandestino
Showing results 1 to 35 of 37
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Forum: Tech Log
6th Oct 2010, 09:43
Replies: 1,524
Views: 742,161
Posted By Clandestino

...for very obvious reasons which are very well...

...for very obvious reasons which are very well documented in the report.



...or considered probable. It's all very nice to preach about need to install the Big Red Button that puts the beast...
Forum: Tech Log
3rd Oct 2010, 22:22
Replies: 1,524
Views: 742,161
Posted By Clandestino

Exactly. Improper static port protection...

Exactly. Improper static port protection technique during washing can cause false static pressure indication, lot of false warnings, crew disorientation and hitting the ocean. You don't need Airbus...
Forum: Tech Log
24th Sep 2010, 10:05
Replies: 1,524
Views: 742,161
Posted By Clandestino

You might have missed the very subtle point in...

You might have missed the very subtle point in the report: aeroplane was washed contrary to procedures, without protective AoA covers fitted and that's whah caused 2 of 3 AoA probes to froze -...
Forum: Tech Log
22nd Sep 2010, 09:20
Replies: 1,524
Views: 742,161
Posted By Clandestino

PJ2, I'm not fooling myself or for that matter...

PJ2, I'm not fooling myself or for that matter trying to fool anyone else. My point is that the last crew of D-AXLA did exactly what most (well, hopefully most) of us consider unthinkable. Thanks for...
Forum: Tech Log
21st Sep 2010, 22:16
Replies: 1,524
Views: 742,161
Posted By Clandestino

That part of learning curve is something IR pilot...

That part of learning curve is something IR pilot has to get over quickly. It is only intended to make sure that he understands that when it comes to flight, instruments are more reliable than human...
Forum: Tech Log
19th Sep 2010, 21:05
Replies: 1,524
Views: 742,161
Posted By Clandestino

So we made successful descent into semantics,...

So we made successful descent into semantics, namely what does "failure" actually mean.

My viewpoint is that CS 25, applied to measuring systems, refers to failure in strict sense: measured output...
Forum: Tech Log
19th Sep 2010, 19:39
Replies: 1,524
Views: 742,161
Posted By Clandestino

Why would they be warned? Strictly speaking, the...

Why would they be warned? Strictly speaking, the probes did not fail and it's not an anomaly according to CD 25. They were blocked but they kept working. Not as designed, for sure but there was no...
Forum: Tech Log
18th Sep 2010, 14:48
Replies: 1,524
Views: 742,161
Posted By Clandestino

My apologies to those who can rightfully call...

My apologies to those who can rightfully call themselves professional pilots for stating the bloomingly obvious:

Airbus is not all things to all pilots! Whoever is subscribing to this is buying...
Forum: Tech Log
25th Jun 2010, 06:13
Replies: 1,524
Views: 742,161
Posted By Clandestino

Pardon my level 2 English and indiscriminate use...

Pardon my level 2 English and indiscriminate use of "stuck". You're correct, of course. I didn't mean to imply THS was mechanically stuck at full nose-up position.

When the aeroplane started...
Forum: Tech Log
22nd Jun 2010, 21:54
Replies: 1,524
Views: 742,161
Posted By Clandestino

DF wrong. If protections worked as planned,...

DF wrong.

If protections worked as planned, we wouldn't have this thread, there would be one more A320 flying around and there would be 7 men more in our ranks.

Both AoA inputs to flight...
Forum: Tech Log
25th Apr 2009, 05:41
Replies: 1,524
Views: 742,161
Posted By Clandestino

Sorry Scarebus03 but there's just no way one can...

Sorry Scarebus03 but there's just no way one can simulate airloads, g-loads, reduced pressure and reduced temperature on ground, let alone the combination of them. Also proper functioning of...
Forum: Tech Log
26th Feb 2009, 23:12
Replies: 1,524
Views: 742,161
Posted By Clandestino

Dear Pax2908: On any complex aeroplane, AoA...

Dear Pax2908:
On any complex aeroplane, AoA data is primarily used for stall protection, A320 not being an exception.

As for stall warning in normal law methinks that FCOM is referring to...
Forum: Tech Log
25th Feb 2009, 23:15
Replies: 1,524
Views: 742,161
Posted By Clandestino

There's a caveat in the FCOM: you can get stall...

There's a caveat in the FCOM: you can get stall warning in the normal law if AoA probe is damaged.


FCOM says so.



We'll have to wait for full CVR transcript to shed some light on it....
Forum: Tech Log
25th Feb 2009, 08:11
Replies: 1,524
Views: 742,161
Posted By Clandestino

The alpha floor test was not done in direct but...

The alpha floor test was not done in direct but in normal law - you can see it clearly in the graphs. There was check of direct law earlier in the flight, but it is clearly stated that both FACs...
Forum: Tech Log
16th Feb 2009, 16:26
Replies: 1,524
Views: 742,161
Posted By Clandestino

For the readers of the last page only sake!

Dear Flyingphil:

I'm absolutely aware that we know almost nothing about the Perpignan accident and I have mentioned the fact repeatedly throughout the thread.

As circumstances of the accident...
Forum: Tech Log
14th Feb 2009, 08:04
Replies: 1,524
Views: 742,161
Posted By Clandestino

Sorry folks, nothing new about Perpignan yet. ...

Sorry folks, nothing new about Perpignan yet.

Rottenlungs, DFDR and CVR on Q400 are situated in the tailcone. Now go check the post crash pictures again.

CONFiture, around 15° AoA was agreed...
Forum: Tech Log
7th Feb 2009, 13:22
Replies: 1,524
Views: 742,161
Posted By Clandestino

Keyword being "appears". Not everyone...

Keyword being "appears".

Not everyone discussing here is an Airbus driver, nor is discussion limited to bus drivers only.

Not everyone claiming to be Airbus driver actually is one.

Rules of...
Forum: Tech Log
4th Feb 2009, 06:01
Replies: 1,524
Views: 742,161
Posted By Clandestino

Ermmm.. nope, they don't. In spiral dive...

Ermmm.. nope, they don't. In spiral dive aeroplane attains severe nose down attitude either through massive sideslip towards the lower wing or by banking through 90 deg and pitching up (relative to...
Forum: Tech Log
3rd Feb 2009, 19:37
Replies: 1,524
Views: 742,161
Posted By Clandestino

For the n-th time: From the ATC's viewpoint,...

For the n-th time:

From the ATC's viewpoint, flight was proceeding normally untill the radar and radio contact was lost as the aeroplane was returning to land. Maybe I'm mistaken but I believe if...
Forum: Tech Log
3rd Feb 2009, 05:23
Replies: 1,524
Views: 742,161
Posted By Clandestino

@belloldtimer: We were discussing A330...

@belloldtimer:

We were discussing A330 upset, prelim is here:

AO-2008-070: In-flight upset, 154 km west of Learmonth, WA, 7 October 2008, VH-QPA, Airbus A330-303 ...
Forum: Tech Log
2nd Feb 2009, 15:33
Replies: 1,524
Views: 742,161
Posted By Clandestino

US Airways 1549? Yukla 27 set the precedent,...

US Airways 1549? Yukla 27 set the precedent, flying through flock of ducks (or were they geese?) and knocking out both engines is not quite an improbable situation.



Into what?!? Stall?...
Forum: Tech Log
2nd Feb 2009, 15:11
Replies: 1,524
Views: 742,161
Posted By Clandestino

FBW was found at fault at Bilbao and part of it...

FBW was found at fault at Bilbao and part of it (alpha protection) had to be modified afterwards. Perhaps we'd live fat, dumb, and happy with unmodified
FBW if it weren't for Iberia crew putting...
Forum: Tech Log
2nd Feb 2009, 14:54
Replies: 1,524
Views: 742,161
Posted By Clandestino

Thanks GMDS, I'm not retiring, just switching...

Thanks GMDS, I'm not retiring, just switching seats and type.


After reading ATSB preliminary report (especially the diagrams at the back) I'm more concerned about output than input. It seems...
Forum: Tech Log
2nd Feb 2009, 13:12
Replies: 1,524
Views: 742,161
Posted By Clandestino

As long the final report is not out, it is not a...

As long the final report is not out, it is not a fact!!!!!!

However this report is final, I recomend it for those interested in FBW architecture and voting issues....
Forum: Tech Log
2nd Feb 2009, 12:47
Replies: 1,524
Views: 742,161
Posted By Clandestino

FCOM 1.30.50 and 1.34.10 refer. Probes are...

FCOM 1.30.50 and 1.34.10 refer. Probes are heated, heating is monitored by ECAM, ducts for ADIRU 1 & 2 are short and independent, chances for all of them to froze simultaneously are appx once in a...
Forum: Tech Log
1st Feb 2009, 23:58
Replies: 1,524
Views: 742,161
Posted By Clandestino

The subject of this thread is the accident of...

The subject of this thread is the accident of which next to nothing is known, yet many a post is written as if protection gone awry has been proven to cause the crash.
Forum: Tech Log
30th Jan 2009, 21:10
Replies: 1,524
Views: 742,161
Posted By Clandestino

We're talking semantics here. I never wrote that...

We're talking semantics here. I never wrote that there are no high and low speed stabilities in alt 1. Just they're not much of a protection compared to high speed protection and alpha protection.
...
Forum: Tech Log
30th Jan 2009, 16:11
Replies: 1,524
Views: 742,161
Posted By Clandestino

What is known, so far, is that the aeroplane...

What is known, so far, is that the aeroplane crashed as it was returning from acceptance test flight and that's it. Everything else is uncertain. We don't know if it stalled, whether it pitched up...
Forum: Tech Log
29th Jan 2009, 16:04
Replies: 1,524
Views: 742,161
Posted By Clandestino

Seemingly I'll have to elaborate on Airbus...

Seemingly I'll have to elaborate on Airbus protections. The guess that a320 doesn't have independent static pressure line systems for each of its ADIRU's is utterly wrong - they're completely...
Forum: Tech Log
29th Jan 2009, 10:18
Replies: 1,524
Views: 742,161
Posted By Clandestino

One thing that's sure is that it wasn't...

One thing that's sure is that it wasn't trainning, but rather post-maintenance test flight. Sud747 or moderators, please change the topic title accordingly, thank you.

There was no mention in...
Forum: Tech Log
25th Jan 2009, 18:15
Replies: 1,524
Views: 742,161
Posted By Clandestino

There are no alternate procedures for extending...

There are no alternate procedures for extending flaps/slats or arming ground spoilers on A320. Manual gear extension will leave the gear bay doors dangling and will deprive you of nosewheel steering....
Forum: Tech Log
21st Jan 2009, 20:14
Replies: 1,524
Views: 742,161
Posted By Clandestino

Once again: fellow who leaked it is state...

Once again: fellow who leaked it is state prosecutor, in charge of criminal investigation, has no relations with BEA and is not aviation expert at all. BEA made no new statements regarding the...
Forum: Tech Log
18th Jan 2009, 17:35
Replies: 1,524
Views: 742,161
Posted By Clandestino

It automatically compensates for speed and power...

It automatically compensates for speed and power changes in normal and alternate law, it doesn't in direct law, manual pitch trim wheel has to be used.
We still don't know in which law the aeroplane...
Forum: Tech Log
18th Jan 2009, 13:45
Replies: 1,524
Views: 742,161
Posted By Clandestino

That's what I've been wondering last couple of...

That's what I've been wondering last couple of months and it seemingly puzzles the investigators too. We'll have to be patient a little bit more.
Forum: Tech Log
9th Jan 2009, 11:36
Replies: 1,524
Views: 742,161
Posted By Clandestino

There are generally two reasons for recorders to...

There are generally two reasons for recorders to be damaged; severe inertial/impact forces or post crash fire. I'm pretty sure that we can rule out fire here.

Last atakcs' post reminds me of...
Showing results 1 to 35 of 37
 
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