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Search: Posts Made By: RR_NDB
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Forum: Tech Log
4th Nov 2012, 12:53
Replies: 124
Views: 33,594
Posted By RR_NDB

AF447: Why designated relief pilot began a series of pitch-up commands?

DozyWannabe (http://www.pprune.org/members/54871-dozywannabe)

I am traveling but will comment now on some points of your good post....
Forum: Tech Log
2nd Nov 2012, 22:26
Replies: 124
Views: 33,594
Posted By RR_NDB

Philosophy and specifics

DozyWannabe sez: (http://www.pprune.org/tech-log/481350-man-machine-interface-anomalies-6.html#post7499718)



The "environment" at this time certainly was:

Management (overall philosophy,...
Forum: Tech Log
2nd Nov 2012, 13:22
Replies: 124
Views: 33,594
Posted By RR_NDB

HF or Interface?

AvMed.IN sez (http://www.pprune.org/tech-log/481350-man-machine-interface-anomalies-6.html#post7490384)



:ok:


(http://www.avmed.in/2012/10/old-facts-new-insights-lessons-from-a-320/)
:ok:
Forum: Tech Log
13th Oct 2012, 18:34
Replies: 124
Views: 33,594
Posted By RR_NDB

Not Green, Gray...

This poses another set of variables to the always required good CRM. During transients and anomalies (System limitations, etc.) the threat is serious and the stakes could be high.

F-GZCP was...
Forum: Tech Log
13th Oct 2012, 17:45
Replies: 124
Views: 33,594
Posted By RR_NDB

Artificial training

Your simple and direct comment motivated me to remember how rich is the "management" of a complex task when the variables are natural. For example, WX issues, varying atmospheric conditions, energy...
Forum: Tech Log
13th Oct 2012, 06:48
Replies: 124
Views: 33,594
Posted By RR_NDB

Could you tell me why?

Obviously, this was necessary for many reasons. Their influence in the design seems as secondary. The IT, automation, etc. seems prevailed. The new concept certainly gone beyond some existing...
Forum: Tech Log
12th Oct 2012, 18:55
Replies: 124
Views: 33,594
Posted By RR_NDB

Do we know everything that occurred that night?

Clearly there are unsolved questions. When working in so exciting issues we need to be open minded like we need when driving a machine that can always present surprises. An a/c is female, so...
Forum: Tech Log
12th Oct 2012, 18:19
Replies: 124
Views: 33,594
Posted By RR_NDB

I will disconnect the AP/AT and go to alternate law

Completely feasible long time ago to:

1) Inform assertively on the limitations being faced

2) Orient crew clearly on proper procedure

Simple, like Leonardo Da Vinci stated:

"Simplicity is...
Forum: Tech Log
22nd Jul 2012, 06:26
Replies: 124
Views: 33,594
Posted By RR_NDB

Decent man machine interface

Hi,

What can be done (http://www.pprune.org/rumours-news/489790-af-447-report-out-23.html#post7308402) (should be ASAP) to avoid another case?
Forum: Tech Log
3rd Jul 2012, 14:45
Replies: 124
Views: 33,594
Posted By RR_NDB

AF447

Hi,

BEA final report in two days.
Forum: Tech Log
13th Jun 2012, 02:32
Replies: 124
Views: 33,594
Posted By RR_NDB

Previous post

Hi roulishollandais,

Please provide more details on your questions.


Still very busy, unfortunately with no spare time. :{
Forum: Tech Log
16th May 2012, 21:55
Replies: 124
Views: 33,594
Posted By RR_NDB

Studying

I am studying and thinking on the excellent material presented by safetypee, PEI_3721 and others, before posting.

Exciting issue. Will comment ASAP.
Forum: Tech Log
14th May 2012, 03:50
Replies: 124
Views: 33,594
Posted By RR_NDB

Why SS?

I missed your question in the quick scan i made when returned from a long trip. Indeed is an interesting point.


Why not a coupling (FBW means) between sticks. This could also be retrofitted...
Forum: Tech Log
13th May 2012, 22:25
Replies: 124
Views: 33,594
Posted By RR_NDB

Scientific approach

I am just trying to understand why AI decided for this "two separated no feedback sticks". A decision with important implications.

I am trying to understand the Rationale used. And who gained?

...
Forum: Tech Log
13th May 2012, 21:30
Replies: 124
Views: 33,594
Posted By RR_NDB

Two separated SS with no feedback

(http://www.pprune.org/tech-log/482356-af-447-thread-no-8-a-35.html#post7188044)
They could position the Sticks between pilots?



Cost? Marketing "tool" (representing a new concept of a...
Forum: Tech Log
12th May 2012, 00:26
Replies: 124
Views: 33,594
Posted By RR_NDB

Reasons for AI SS introduction to airliners

Hi,

Why AI (Airbus SAS) introduced the SS? What reason(s)?

It was representative (the visible item) of the Airbus new control philosophy?

What are the main advantages? And it's...
Forum: Tech Log
16th Apr 2012, 16:24
Replies: 124
Views: 33,594
Posted By RR_NDB

Testability

They were simply trying to learn. :sad:

I am "addicted to test". I saved* my life or avoided accidents in several opportunities applying stimuli to check the response of the UUT (unit under test)....
Forum: Tech Log
15th Apr 2012, 20:17
Replies: 124
Views: 33,594
Posted By RR_NDB

Basic requirements of the Interface

Hi,

The Interface should be:

1) Simplest possible (K.I.S.S. design rule)

2) Allow the crew ALWAYS be capable to control the plane, when required

3) Allow the crew to be ALWAYS "ahead" of...
Forum: Tech Log
15th Apr 2012, 18:16
Replies: 124
Views: 33,594
Posted By RR_NDB

System, interface (or both) issue?

System, interface (or both) issue?
Forum: Tech Log
15th Apr 2012, 18:12
Replies: 124
Views: 33,594
Posted By RR_NDB

Secondary anomalies

A problem (of interfaces):

Even simple interfaces can generate secondary anomalies. A complex (not K.I.S.S.) interface could always be "deciphered" when you need most?

The responsibility of...
Forum: Tech Log
15th Apr 2012, 17:31
Replies: 124
Views: 33,594
Posted By RR_NDB

Anomalies

Hi,

TWO anomalies were present in F-GZCP:

1) Sensor anomaly (not capable to operate properly). A well know issue.

2) System anomaly (System was reconfigured by lack of redundancy in the...
Forum: Tech Log
15th Apr 2012, 16:29
Replies: 124
Views: 33,594
Posted By RR_NDB

Where is the problem?

Hi,

Natstrackalpha words:



As i told in my post (http://www.pprune.org/tech-log/481350-man-machine-interface-anomalies-2.html#post7135878) the comment was from TTex600: ...
Forum: Tech Log
15th Apr 2012, 08:40
Replies: 124
Views: 33,594
Posted By RR_NDB

Interaction with the A/C

Hi,

TTex600:

[/URL]



Airbus SAS designed and introduced their products "in close contact" with pilots, we obviously believe.
Forum: Tech Log
12th Apr 2012, 04:28
Replies: 124
Views: 33,594
Posted By RR_NDB

Technology for better Quality of Life*

Hi,

safetypee,

Thank you for your dense comment. Very rich and motivating.

The theme is fascinating. I did study Technology (starting in 1967) and increasingly became interested in the...
Forum: Tech Log
11th Apr 2012, 22:07
Replies: 124
Views: 33,594
Posted By RR_NDB

UAS causes

With most crews respecting WX. All other flights deviated around this time.

Indeed, the plane :{ in normal position. :mad:

The Pitot's deserve an R&D. Or be complimented by other means to have...
Forum: Tech Log
10th Apr 2012, 20:25
Replies: 124
Views: 33,594
Posted By RR_NDB

BUSS

Hi,

Bear

And all this stuff has it's inherent limitations. BUSS AFAIK would be useless.

Let me ask you:

From ice crystals noise (heard on CVR) til apogee how many seconds elapsed?
Forum: Tech Log
10th Apr 2012, 19:41
Replies: 124
Views: 33,594
Posted By RR_NDB

Current DFDR are sufficient?

PF put the plane into Stall very fast. :{ Fate was sealed rapidly.

Too critical for a System, REQUIRED to degrade GRACEFULLY.

(This seems accelerated degradation): 4 min from normal flight to...
Forum: Tech Log
8th Apr 2012, 18:23
Replies: 124
Views: 33,594
Posted By RR_NDB

We will have all required information?

It will be possible for investigators to conclude (not risking)?
Forum: Tech Log
8th Apr 2012, 17:41
Replies: 124
Views: 33,594
Posted By RR_NDB

AF447 PM could better communicate with Captain

Hi,

After Captain entered crew told:

"We tried everything". (indeed not true: didn't try stall recover ;) )

And could tell (to Cpt):

We had a "temporary UAS".
Forum: Tech Log
8th Apr 2012, 17:05
Replies: 124
Views: 33,594
Posted By RR_NDB

On "surprises": There are good ones

Hi,

Surprises "coming from her" may "startle" a pilot. But the "interface" could "help":

When at 02:11:07 Air Speed was reliable again, the System could inform the "good news" to the yet...
Forum: Tech Log
7th Apr 2012, 04:33
Replies: 124
Views: 33,594
Posted By RR_NDB

The risks of "consensus"

Hi,

Bear:



Certainly a rich "case study". A loss of this magnitude and the "surprises" requires attention. :8
Forum: Tech Log
6th Apr 2012, 20:39
Replies: 124
Views: 33,594
Posted By RR_NDB

Man machine interface should be designed to reduce the threat of "surprises"

Hi,

The man machine interface (http://en.wikipedia.org/wiki/Human-machine_interface) must allow us to be "intimately in touch" with the machines we are operating.

Some ideas for this thread...
Forum: Tech Log
30th Mar 2012, 17:39
Replies: 124
Views: 33,594
Posted By RR_NDB

Man-machine interface and anomalies

The increasing technological sophistication in FBW planes brings benefits and challenges to the pilots and other 'players". The objective here is to discuss the "interface" and itīs components,...
Showing results 1 to 33 of 33


 
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