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Search: Posts Made By: Concours77
Showing results 1 to 35 of 125
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Forum: Tech Log
17th Jan 2018, 15:12
Replies: 1,677
Views: 531,310
Posted By Concours77

Winnerhofer, “Additionally, the autopilot...

Winnerhofer,

“Additionally, the autopilot doesn’t just click off when the going gets tough but enters an extended protection envelope where it will attempt a recovery back to the normal flight...
Forum: Tech Log
4th Nov 2017, 20:56
Replies: 1,677
Views: 531,310
Posted By Concours77

Absent the "psycho" pejorative, 447 did indeed...

Absent the "psycho" pejorative, 447 did indeed experience a "single event effect". Which one? A rather pedestrian failure of a system touted to be "triple redundant", it was no such thing. Redundancy...
Forum: Tech Log
11th Aug 2017, 00:27
Replies: 1,677
Views: 531,310
Posted By Concours77

Neutral Stick

I wrestled for some time trying to understand Bonin's chronic "Aft Stick".
First it was tempting to blame his poor seat position, the inappropriate placement of armrest for the controlling hand,...
Forum: Tech Log
9th Aug 2017, 23:52
Replies: 1,677
Views: 531,310
Posted By Concours77

Moreover, no additional stall warning or stick...

Moreover, no additional stall warning or stick shaker is needed with this kind of protection. Stall warning is only re-introduced on airbus aircraft when the angle of attack protection is lost (loss...
Forum: Tech Log
6th Aug 2017, 00:32
Replies: 1,677
Views: 531,310
Posted By Concours77

Houba

IRU? Why waste inertial data. Ice and ash immune...
Forum: Tech Log
2nd Aug 2017, 14:56
Replies: 1,677
Views: 531,310
Posted By Concours77

"...Because the Aircraft remains safe even when...

"...Because the Aircraft remains safe even when the pilot pulls on the stick to the stop thanks to the high angle of attack protection, Airbus position is that no additional alerts about low...
Forum: Tech Log
1st Aug 2017, 14:25
Replies: 1,677
Views: 531,310
Posted By Concours77

Deep Stall. Nomenclature. Critical to a technical...

Deep Stall. Nomenclature. Critical to a technical approach, without doubt.

1. How did it get there?
2. What made it (functionally) not recoverable?
3. What issues in the AC design made it...
Forum: Tech Log
31st Jul 2017, 21:34
Replies: 1,677
Views: 531,310
Posted By Concours77

Turbine D, Point taken, but there is no...

Turbine D,

Point taken, but there is no other way to describe the Stall. It didn't help having full Nose Up Trim, and under slung engines at full chat (which induces nose up). Once the wing...
Forum: Tech Log
31st Jul 2017, 19:30
Replies: 1,677
Views: 531,310
Posted By Concours77

Exactly, but who knew?

Exactly, but who knew?
Forum: Tech Log
31st Jul 2017, 19:29
Replies: 1,677
Views: 531,310
Posted By Concours77

Addendum. Recovery from this maneuver, even in a...

Addendum. Recovery from this maneuver, even in a light plane, takes a lot of altitude, and gentle pitch, to avoid a second experience. That I have not done.
Forum: Tech Log
31st Jul 2017, 19:03
Replies: 1,677
Views: 531,310
Posted By Concours77

"...For every pilot, it should be bread and...

"...For every pilot, it should be bread and butter, that stall warning requires relaxing of back pressure, requires forward stick movement, not aft stick movement..."

The first Stall Warn...
Forum: Tech Log
31st Jul 2017, 14:58
Replies: 1,677
Views: 531,310
Posted By Concours77

From the report, Bonin's second brisk command in...

From the report, Bonin's second brisk command in Pitch was Nose Down. Halfway through stick travel to neutral, the STALLWARN activated. He did not create the first SW by "yanking stick back". That is...
Forum: Tech Log
31st Jul 2017, 00:30
Replies: 1,677
Views: 531,310
Posted By Concours77

"...It's not time in type that matters, but time...

"...It's not time in type that matters, but time in stall..."

Without question, and without disagreement. Likely no A330 crew will realize, or come to rely upon, the bizarre disguised Stall Entry...
Forum: Tech Log
30th Jul 2017, 20:07
Replies: 1,677
Views: 531,310
Posted By Concours77

With great respect, commercial jet aircraft are...

With great respect, commercial jet aircraft are indeed tested, laboriously and especially in this region.

Approach to Stall cannot, must not be left untested, nor can an aircraft be certified to...
Forum: Tech Log
30th Jul 2017, 15:51
Replies: 1,677
Views: 531,310
Posted By Concours77

Poor grammar, Bonin indeed, not the A/C. You...

Poor grammar, Bonin indeed, not the A/C.

You miss one thing. The A330 is so adept and docile, it maintains the flight path through stall, without change in attitude, not consistent with its...
Forum: Tech Log
30th Jul 2017, 14:37
Replies: 1,677
Views: 531,310
Posted By Concours77

That got Bonin in trouble...The commanded flight...

That got Bonin in trouble...The commanded flight path in manual was up, up, up.

And it took all the aircraft had in trim to hold. In ascent, and in descent.
Forum: Tech Log
29th Jul 2017, 16:38
Replies: 1,677
Views: 531,310
Posted By Concours77

The danger is in the immediacy and the necessity...

The danger is in the immediacy and the necessity to adapt to an environment that does not care about the interface.

Where the operating system meets intuition, that is the conflict. For too long...
Forum: Tech Log
29th Jul 2017, 14:35
Replies: 1,677
Views: 531,310
Posted By Concours77

I agree. My sense of his (final) comment was that...

I agree. My sense of his (final) comment was that it was a "reset" of "SA". On the chance the VSI was duff, the stubborn attitude was bogus, etc.
Forum: Tech Log
28th Jul 2017, 22:05
Replies: 1,677
Views: 531,310
Posted By Concours77

What would it take, once the "mush" was...

What would it take, once the "mush" was established, for the crew to think aft stick was crucial?

1. Any Nose Down would create: instantaneous acceleration and a large increase in vertical speed,...
Forum: Tech Log
25th Jul 2017, 17:24
Replies: 1,677
Views: 531,310
Posted By Concours77

Excuse me. You have something new? The only...

Excuse me. You have something new? The only change possible in the outcome can come from a perspective.

It is likely futile, but there are those here who wish to look differently at the data, and...
Forum: Tech Log
25th Jul 2017, 15:50
Replies: 1,677
Views: 531,310
Posted By Concours77

"...Yes, 15 degree pitch was idiotic, Bonin put...

"...Yes, 15 degree pitch was idiotic, Bonin put them in the coffin corner with the feet on the wall, but I guess more troubling are the puzzles (listed in my previous post) to be solved in 2 minutes...
Forum: Tech Log
21st Jul 2017, 17:57
Replies: 1,677
Views: 531,310
Posted By Concours77

So if they had the flight path vector alive, (the...

So if they had the flight path vector alive, (the bird) does it point down to the sea? Which cue to follow, avoid?

With GPWS ordering "PULLUP", does the computer reject the actual attitude?

The...
Forum: Tech Log
20th Jul 2017, 01:18
Replies: 1,677
Views: 531,310
Posted By Concours77

EMIT

Apologies. I thought you were promoting the Use of the FD in their situation?
There is a way to compute AoA with the FD? Also, do you think he may have been trying to project the Flight Path Vector...
Forum: Tech Log
19th Jul 2017, 22:35
Replies: 1,677
Views: 531,310
Posted By Concours77

EMIT: "True, the speed indication was weird for...

EMIT:
"True, the speed indication was weird for a short while, the altitude indication dipped a bit at the very beginning, but the ATTITUDE INDICATION, that is THE MOST IMPORTANT CONTROL INSTRUMENT...
Forum: Tech Log
19th Jul 2017, 15:48
Replies: 1,677
Views: 531,310
Posted By Concours77

Hi Turbine, This post prompted my response....

Hi Turbine,

This post prompted my response. Actions taken without communication are not appropriate, if not trained or listed in the QRH.

I'd have to check, but "What's happening....?" the...
Forum: Tech Log
19th Jul 2017, 14:24
Replies: 1,677
Views: 531,310
Posted By Concours77

The Captain was between the two pilots, and...

The Captain was between the two pilots, and behind. No visibility of Starboard stick for him. We have no evidence of PNF peeping the PF stick....

AoA. How difficult and expensive can it be to...
Forum: Tech Log
19th Jul 2017, 14:15
Replies: 1,677
Views: 531,310
Posted By Concours77

Bonin initiates his first singular (unlinked in...

Bonin initiates his first singular (unlinked in mayonnaise) Nose Down before the STALLWARN. 2:10:09.

Can you confirm that TOGA is an appropriate selection? With a full NOSE UP THS, and full thrust...
Forum: Tech Log
18th Jul 2017, 22:20
Replies: 1,677
Views: 531,310
Posted By Concours77

The icing event lasted 60 seconds. Ninety seconds...

The icing event lasted 60 seconds. Ninety seconds after the Master Warning/Cavalrty Charge, the Captain came back to the flight deck. At that point, the aircraft was at its assigned altitude, the...
Forum: Tech Log
18th Jul 2017, 12:56
Replies: 1,677
Views: 531,310
Posted By Concours77

Is buffet associated with Stall possible in...

Is buffet associated with Stall possible in Normal Law? Would it matter? FA: "...should we sit?..." (Belt in) "Yes I think so...'

Captain entering cockpit was climbing an aisle at 15 degrees nose...
Forum: Tech Log
18th Jul 2017, 00:11
Replies: 1,677
Views: 531,310
Posted By Concours77

"Which memory item did the PF potentially revert...

"Which memory item did the PF potentially revert to when he recognized they were out of the flight path"

Approach to stall at low altitude. What flight path? No FDs. No "indications"

You know...
Forum: Tech Log
17th Jul 2017, 19:53
Replies: 1,677
Views: 531,310
Posted By Concours77

"...The difference between the crash and a crew...

"...The difference between the crash and a crew who knows what's going on and how to deal with the situation more elegantly..." ....pretty arrogant.

Were each of these aircraft equipped with...
Forum: Tech Log
17th Jul 2017, 19:12
Replies: 1,677
Views: 531,310
Posted By Concours77

"...We have no indications..." The last...

"...We have no indications..."

The last eyewitness to the instrument panel, the only record we have.

There was no instrument panel. All was dark.

It doesn't take any extensive imagination,...
Forum: Tech Log
17th Jul 2017, 14:53
Replies: 1,677
Views: 531,310
Posted By Concours77

I see nothing in your post about the source of my...

I see nothing in your post about the source of my question. Perhaps de rigeur in an accident report, but this is about discussion.

PF input a deliberate and singular ND (no Mayonnaise) one half...
Forum: Tech Log
17th Jul 2017, 00:22
Replies: 1,677
Views: 531,310
Posted By Concours77

Please read again my short post of attitude,...

Please read again my short post of attitude, STALL-STALL, IAS, and Stick movements.

They are listed with their appropriate time.

Please go to page 29 of the Final Report, and check my...
Forum: Tech Log
16th Jul 2017, 20:15
Replies: 1,677
Views: 531,310
Posted By Concours77

Goldenrivett. At 2:10:09. Bonin pushes...

Goldenrivett.

At 2:10:09. Bonin pushes stick forward.
At 2:10:10 STALLSTALL
At 2:10:11 (at 52 kts.) Bonin pulls back,
At 2:10:12 STA.....

Bonin does not push forward again except in...
Showing results 1 to 35 of 125
 
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