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Search: Posts Made By: _Phoenix_
Showing results 1 to 35 of 36
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Forum: Tech Log
26th Nov 2014, 03:11
Replies: 1,678
Views: 533,080
Posted By _Phoenix_

Reconstruction "STALL" vs CVR transcript (!)

Winnerhofer, you start me again ;)


It seems that the video reconstruction is based on CVR's listening. At least, it's the most accurate reconstruction so far.
Interesting is that everything is...
Forum: Tech Log
24th Nov 2014, 00:14
Replies: 1,678
Views: 533,080
Posted By _Phoenix_

PJ2, Thank you for your kind words and for...

PJ2,
Thank you for your kind words and for references. Your posts are exciting and profound.
Forum: Tech Log
23rd Nov 2014, 23:10
Replies: 1,678
Views: 533,080
Posted By _Phoenix_

@gums No problem. I'm rather a...

@gums



No problem. I'm rather a newcomer, fascinated by this accident after I watched a documentary on Discovery channel. I leafed through final report, in Annex 3 noticed the THS graph. Then,...
Forum: Tech Log
22nd Nov 2014, 15:36
Replies: 1,678
Views: 533,080
Posted By _Phoenix_

Bergerie1 and PJ2, 20 years ago, pilots were...

Bergerie1 and PJ2,
20 years ago, pilots were the lords of the skies. They had a dreamlike profession, a proper social status and a nice paycheck. Then the automated systems and FBW were introduced...
Forum: Tech Log
22nd Nov 2014, 01:29
Replies: 1,678
Views: 533,080
Posted By _Phoenix_

ok, now back to business This crew can be...

ok, now back to business
This crew can be blamed for this accident or lack of training at the same extent that a professional driver does not understand the significance of the red traffic light....
Forum: Tech Log
5th Nov 2014, 00:18
Replies: 1,678
Views: 533,080
Posted By _Phoenix_

Scheiße kapitalistischen Technik

Winnerhofer

WOW, this video is surreal, it represents the quintessence of upsets due of THS function programmed in wrong way
Forum: Tech Log
31st Oct 2014, 04:09
Replies: 1,678
Views: 533,080
Posted By _Phoenix_

Originally Posted by DozyWannabe> ...

Originally Posted by DozyWannabe>


...either he retired two years ago, at age 42 of career, either there is a slight dysgraphia symptom



Here you're talking, so why? Why the THS and AOA...
Forum: Tech Log
26th Oct 2014, 21:52
Replies: 1,678
Views: 533,080
Posted By _Phoenix_

I only agree with first sentence It's...

I only agree with first sentence

It's nothing to laugh about, but answers must be drawn

Hé ! qu'est-ce qu'il fait !? here
Ja it's pitching up all the time!!!
But what is happening? here

...
Forum: Tech Log
23rd Oct 2014, 00:35
Replies: 1,678
Views: 533,080
Posted By _Phoenix_

What moved THS?

Winnerhofer,

In alternate law automatic pitch trim is available.
The THS was moved at constant rate of 1deg/6 seconds, SW online
Forum: Tech Log
19th Oct 2014, 22:47
Replies: 1,678
Views: 533,080
Posted By _Phoenix_

@DozyWannabe, Are you kidding me? Watch...

@DozyWannabe,


Are you kidding me? Watch again the video. It includes the actual CVR. The Stall Warning came on at 1:06, during recovery phase!!! No stall warning during vertical climb or at peak...
Forum: Tech Log
19th Oct 2014, 01:37
Replies: 1,678
Views: 533,080
Posted By _Phoenix_

Would be something new to hear about Airbus...

Would be something new to hear about Airbus accused of an accident or incident. Isn't it?
Apparently nobody can touch the arrogant nose that keeps pitching up
VqmrRFeYzBI
uZdk6Td6DNc
Forum: Tech Log
16th Oct 2014, 03:57
Replies: 1,678
Views: 533,080
Posted By _Phoenix_

Apart of SS position, why THS did start rolling...

Apart of SS position, why THS did start rolling back while Stall was online? What's the logic in this, if any?
Forum: Tech Log
5th Oct 2014, 12:05
Replies: 1,678
Views: 533,080
Posted By _Phoenix_

DozyWannabe, Please revise posts #528 and...

DozyWannabe,


Please revise posts #528 and #528, page 27
Forum: Tech Log
4th Oct 2014, 23:19
Replies: 1,678
Views: 533,080
Posted By _Phoenix_

Winnerhofer, Thank you! I heard about this...

Winnerhofer, Thank you! I heard about this simulation:ok:



Indeed, I'm amazed how fast the time elapsed. We zoom in graphics, but actually, in reality, in about 90 seconds (at 1:30 in video)...
Forum: Tech Log
4th Oct 2014, 03:57
Replies: 1,678
Views: 533,080
Posted By _Phoenix_

DozyWannabe, interesting suppositions about the ...

DozyWannabe, interesting suppositions about the back pressure reasons

However, I would not stick with only one possibility

1. initial climb was deliberate, as stated in CVR, his intention was...
Forum: Tech Log
3rd Oct 2014, 00:36
Replies: 1,678
Views: 533,080
Posted By _Phoenix_

yes, the disagreement is for compliance of the...

yes, the disagreement is for compliance of the stall warning



More over, FBW algorithm does not meet the Federal Aviation Regulations Part 25 for static longitudinal stability,
...
Forum: Tech Log
1st Oct 2014, 02:11
Replies: 1,678
Views: 533,080
Posted By _Phoenix_

... the same, more people died in a Dodge than in...

... the same, more people died in a Dodge than in a Ferrari
But if the pilot is incapacitated, in a spiral dive 4g+, with thumb on priority switch...
From final report

They were at 36000 ft......
Forum: Tech Log
29th Sep 2014, 02:22
Replies: 1,678
Views: 533,080
Posted By _Phoenix_

If you wish, zoom again (200%) in segment 2:12:30...

If you wish, zoom again (200%) in segment 2:12:30 to 2:12:45. The average input value sent to computer was clear ND. But the elevator doesn't rotate more than half NU and THS doesn't bother from max...
Forum: Tech Log
28th Sep 2014, 18:50
Replies: 1,678
Views: 533,080
Posted By _Phoenix_

Only the roll was in direct law. Pitch was never...

Only the roll was in direct law. Pitch was never direct.
"When the airplane's nose was pointed up, it stayed pointed up - to maintain the same g-load and pitch rate.."
Bonin's "heavy hand" fully...
Forum: Tech Log
24th Sep 2014, 01:39
Replies: 1,678
Views: 533,080
Posted By _Phoenix_

Winnerhofer, The quote "by Bill Palmer" is...

Winnerhofer,

The quote "by Bill Palmer" is very good. Basically, I have the same perspective , Bill has better wording. One remark though… Instead of a piano player comparison, I would choose a...
Forum: Tech Log
22nd Sep 2014, 02:42
Replies: 1,678
Views: 533,080
Posted By _Phoenix_

Owain Glyndwr, Rudderrudderrat, DozyWannabe thank...

Owain Glyndwr, Rudderrudderrat, DozyWannabe thank you for your replies and inputs.
I subscribe to

BEA doesn't remark any PIO because it wasn't.
Here is a quote from final report:
"When the...
Forum: Tech Log
18th Sep 2014, 02:46
Replies: 1,678
Views: 533,080
Posted By _Phoenix_

I just agree with your presumption of...

I just agree with your presumption of overcontrolling, that's normal startle affect at AP disconnection. Watch again the magenta graph after 2:10:10, the next 15 seconds. There is not a roll...
Forum: Tech Log
18th Sep 2014, 01:36
Replies: 1,678
Views: 533,080
Posted By _Phoenix_

Are we looking to a Dutch roll mode or to an...

Are we looking to a Dutch roll mode or to an adverse yaw damping?
Forum: Tech Log
14th Sep 2014, 23:47
Replies: 1,678
Views: 533,080
Posted By _Phoenix_

RetiredF4, How about hell of a...

RetiredF4,


How about hell of a confidence in that aircraft... capable of 2000ft/min climb with wing already stalled, see figure 28 of final report, 2:10:50 to 2:11:10.
Forum: Tech Log
14th Sep 2014, 18:14
Replies: 1,678
Views: 533,080
Posted By _Phoenix_

Owain Glyndwr, The slide slip and the...

Owain Glyndwr,



The slide slip and the yaw rates were not oscillatory before 2:12:15, the spiral mode is predominant. After that yes, at large AOA, the natural Dutch roll damping is slow, it...
Forum: Tech Log
13th Sep 2014, 14:40
Replies: 1,678
Views: 533,080
Posted By _Phoenix_

DozyWannabe, You have to zoom a bit in the 15 s...

DozyWannabe,
You have to zoom a bit in the 15 s interval, see there 2 triangles, in about 10 seconds interval. The area of those triangles is the quantity of ND input.
For Robert, the quantity of...
Forum: Tech Log
13th Sep 2014, 13:37
Replies: 1,678
Views: 533,080
Posted By _Phoenix_

@DozyWannabe Final report: "The trimmable...

@DozyWannabe
Final report: "The trimmable horizontal stabilizer (THS) began a nose-up movement and moved from 3 to 13 degrees pitch-up in about 1 minute and
remained in the latter position until...
Forum: Tech Log
13th Sep 2014, 12:53
Replies: 1,678
Views: 533,080
Posted By _Phoenix_

For that kind of mass, the aircraft has that kind...

For that kind of mass, the aircraft has that kind of wings and vertical stabilizer...
Remember, the aircraft encountered weather with ice pellets.
See Figure 26 of final report. In only 2 seconds,...
Forum: Tech Log
13th Sep 2014, 03:18
Replies: 1,678
Views: 533,080
Posted By _Phoenix_

The period of time in discussion is between...

The period of time in discussion is between 2:12:33 to 2:12:43, around FL210. The ND position was dominant, the average value clearly on positive side of the graph. However, the elevator did not...
Forum: Tech Log
12th Sep 2014, 02:31
Replies: 1,678
Views: 533,080
Posted By _Phoenix_

@flyingchanges Actually, DozyWannabe is...

@flyingchanges

Actually, DozyWannabe is right, they should nailed the sidestick at forward stop, since for 10sec forward input the elevator rotated from -30deg NU to -15deg NU, THS remained at...
Forum: Tech Log
12th Sep 2014, 01:53
Replies: 1,678
Views: 533,080
Posted By _Phoenix_

@ DozyWannabe and Lonewolf_50 No, WE...

@ DozyWannabe and Lonewolf_50



No, WE know that aircraft was falling in a nose-up attitude.
But, Capt. Dubois mental picture was different: "why the aircraft was climbing while sidestick was...
Forum: Tech Log
11th Sep 2014, 03:03
Replies: 1,678
Views: 533,080
Posted By _Phoenix_

why capt. Dubois exclaimed "It's impossible!"

@Lonewolf 50



Capt. Dubois didn't comprehend why the aircraft was climbing while sidestick was forward

see below the situation dissected:

CVR // sidestick position // pitch attitude
Forum: Tech Log
22nd Aug 2014, 03:29
Replies: 1,678
Views: 533,080
Posted By _Phoenix_

How much is long enough? see FDR at 2:12:32...

How much is long enough?

see FDR at 2:12:32 to 2:12:42. Bonin pitched down +4 deg but elevator never passed -15 deg. Commonsense says that 10 sec. is more that enough for a crew in distress.

...
Forum: Tech Log
21st Aug 2014, 00:39
Replies: 1,678
Views: 533,080
Posted By _Phoenix_

Dozy, please revise the FDR graphics of XL888 and...

Dozy, please revise the FDR graphics of XL888 and AF447. How is it possible that THS is maintained at max nose up position while AoA > AoAmax = stall warning on, for a prolong period of time? ...
Forum: Tech Log
14th Aug 2014, 03:21
Replies: 1,678
Views: 533,080
Posted By _Phoenix_

Doesn't matter the type, the PF had to use the...

Doesn't matter the type, the PF had to use the manual pitch trim anyway
But, anyone can answer the question: Isn't a software issue having the stabilizer at max nose up position while stall warning...
Showing results 1 to 35 of 36
 
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