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Search: Posts Made By: takata
Showing results 1 to 35 of 97
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Forum: Tech Log
12th Apr 2011, 10:53
Replies: 3,893
Views: 1,535,553
Posted By takata

Salute, Good point, and so far, the best...

Salute,

Good point, and so far, the best against this theory as, at first, I thought she might be found beyond the 40 NM circle or on its way back in the Southern part of it.
Hopefully, we'll see...
Forum: Tech Log
11th Apr 2011, 23:45
Replies: 3,893
Views: 1,535,553
Posted By takata

Evidences might only be found in the deep of the...

Evidences might only be found in the deep of the ocean; we'll only see some evidence once the recorders will be recovered and analysed. But it is exactly the same as for any other explanation so far...
Forum: Tech Log
11th Apr 2011, 18:02
Replies: 3,893
Views: 1,535,553
Posted By takata

The system diagrams are also quite obscure to me...

The system diagrams are also quite obscure to me but look at the FCOM note "Control indicators":
Note:
The pilot may notice a variation (up +/- 1000 feet) in CAB ALT indication on the ECAM PRESS...
Forum: Tech Log
11th Apr 2011, 17:11
Replies: 3,893
Views: 1,535,553
Posted By takata

ACARS

Salute,

Two other ACARS were "in the pipe" after PRIM1 & SEC1 faults which should have triggered something also before 0215.

But look at the BEA explanation for the end of ACARS:
a) the...
Forum: Tech Log
11th Apr 2011, 16:49
Replies: 3,893
Views: 1,535,553
Posted By takata

Salute, If, if, if, hourah ! :-) My point...

Salute,
If, if, if, hourah !
:-)
My point is that everything unproved by BEA analysis is worth mentioning. And so far, no analysis of this Cabin V/S adivisory will point at: there is only one...
Forum: Tech Log
11th Apr 2011, 13:21
Replies: 3,893
Views: 1,535,553
Posted By takata

Salute, Well, it is safe to assume that...

Salute,


Well, it is safe to assume that what fault was not detected until 0214:26 was very unlikely.

But... this last advisory (cockpit ECAM signal) is about Cabin V/S (vertical speed) being...
Forum: Tech Log
11th Apr 2011, 12:48
Replies: 3,893
Views: 1,535,553
Posted By takata

Drift below surface

Salute,

Well, a close look at the currents below surface will tell that it would be almost negligible for most of the heavy parts sinking right after impact (see, for example, this SHOM study...
Forum: Tech Log
11th Apr 2011, 11:52
Replies: 3,893
Views: 1,535,553
Posted By takata

Sure, ACARS are triggered for any malfunction...

Sure, ACARS are triggered for any malfunction (minor, major) and cockpit alerts, including ACARS being inop... but nobody would receive it.
Forum: Tech Log
10th Apr 2011, 16:16
Replies: 3,893
Views: 1,535,553
Posted By takata

IMO, it is too much reading and the wording may...

IMO, it is too much reading and the wording may induce it.
The BEA is listing the two shut down cases due to "external" systems.
a) its electrical power supply => if not powered anymore, the TCAS...
Forum: Tech Log
10th Apr 2011, 15:19
Replies: 3,893
Views: 1,535,553
Posted By takata

TCAS

Salute,



Well, considering that the purpose of a TCAS (Traffic Collision Avoidance System) is to predict a safe flight vector, it seems someway quite logical that its own "prediction" function...
Forum: Tech Log
9th Apr 2011, 01:32
Replies: 3,893
Views: 1,535,553
Posted By takata

On the other hand, the fact that such incident...

On the other hand, the fact that such incident happened only twice in the very same aircraft, as well as during the same flight, and that hundreds of other A330 flew safely many millions hours...
Forum: Tech Log
8th Apr 2011, 21:15
Replies: 3,893
Views: 1,535,553
Posted By takata

"Ile de Sein"

In some way, I guess it may give a hint about a stall recovery attempted but the crew, then a possible type of upset causing this crash.

All in all, what will certainly bring to us much more...
Forum: Tech Log
8th Apr 2011, 16:20
Replies: 3,893
Views: 1,535,553
Posted By takata

Perhaps this is stated backwards. "Why would an...

Perhaps this is stated backwards.
"Why would an upset cause unreliable airspeed indications??", might be a better question.
The answer is in the link below and subsequent discussion.
AF 447 Search...
Forum: Tech Log
7th Apr 2011, 18:44
Replies: 3,893
Views: 1,535,553
Posted By takata

No surprise. The area is small, flat and sandy...

No surprise. The area is small, flat and sandy and they've got 3 UAVs available for the mapping... But no ROV.
They will need the ROV to go further and for looking inside the wreckage.

You are...
Forum: Tech Log
7th Apr 2011, 15:54
Replies: 3,893
Views: 1,535,553
Posted By takata

Then, no offense. I'm very sorry: my very poor...

Then, no offense. I'm very sorry: my very poor English is certainly not able to cope with your high syntax level that everybody can perfectly read in your post just above. But forgive me if I won't...
Forum: Tech Log
7th Apr 2011, 15:34
Replies: 3,893
Views: 1,535,553
Posted By takata

Well, Bearfoil... maybe? But, at this point,...

Well, Bearfoil... maybe?
But, at this point, finding only such an (obvious) conclusion is much more telling about what you will find very relevant in support of your own theories rather than giving...
Forum: Tech Log
7th Apr 2011, 15:01
Replies: 3,893
Views: 1,535,553
Posted By takata

"Upset"

0200 and 0210 are the only two positions transmitted during this time window, it doesn't tell much about the flight.
Who know, today, her route and what exactly F-GZCP radar pictured on her path?
...
Forum: Tech Log
6th Apr 2011, 17:56
Replies: 3,893
Views: 1,535,553
Posted By takata

One may cite also H. L. Mencken: "Explanations...

One may cite also H. L. Mencken: "Explanations exist; they have existed for all time; there is always a well-known solution — neat, plausible, and wrong."

In fact, without a modelization of the...
Forum: Tech Log
6th Apr 2011, 15:38
Replies: 3,893
Views: 1,535,553
Posted By takata

Not 15 nm: maybe less than 5 nm from LKP. a)...

Not 15 nm: maybe less than 5 nm from LKP.
a) How long did they maintain cruise altitude?
It is still unknow without the recorders. It seems that they may have lost a lot of altitude at the end of...
Forum: Tech Log
6th Apr 2011, 12:04
Replies: 3,893
Views: 1,535,553
Posted By takata

More likely, this small deviation from the flight...

More likely, this small deviation from the flight plan was deliberate, certainly due to weather avoidance.

People should use the term "upset" more carefully. It means a loss of control when an...
Forum: Tech Log
6th Apr 2011, 10:40
Replies: 3,893
Views: 1,535,553
Posted By takata

Sorry, but it is not what Jean-Paul Troadec said....

Sorry, but it is not what Jean-Paul Troadec said. This is a bad translation of "All the wreckage brought to the surface will be sent to France", which is quite different: they will only brought to...
Forum: Tech Log
5th Apr 2011, 17:13
Replies: 3,893
Views: 1,535,553
Posted By takata

This hypothesis would be known quite fast as they...

This hypothesis would be known quite fast as they have said that it would take only a few days to complete the whole reconnaissance and geo-localization of the debris field.

If the tail separated...
Forum: Tech Log
5th Apr 2011, 16:56
Replies: 3,893
Views: 1,535,553
Posted By takata

Sure. But the real question is when did this...

Sure. But the real question is when did this final upset (causing the final crash, possibly stalled) occured?
At 02.15, 02.16, 02.17? Nobody knows actually.
Just before 02.15, at least one engine...
Forum: Tech Log
5th Apr 2011, 16:22
Replies: 3,893
Views: 1,535,553
Posted By takata

Right, but we still don't know yet what were...

Right, but we still don't know yet what were precisely the real weather conditions during this flight. As I said above, something still unknow happened between FL350 and the aircraft final attitude...
Forum: Tech Log
5th Apr 2011, 15:57
Replies: 3,893
Views: 1,535,553
Posted By takata

Now, something else than the "deep stall theory"...

Now, something else than the "deep stall theory" should not be ruled out at this point.

Even if unpowered, such an airframe can glide very far (more than 120 NM from FL350) when it is able to...
Forum: Tech Log
5th Apr 2011, 15:03
Replies: 3,893
Views: 1,535,553
Posted By takata

So far, all the rudder damages analyzed were...

So far, all the rudder damages analyzed were fully consistent with an impact as it is described by the investigators findings. But one is free to believe whatever theory he likes more than any...
Forum: Tech Log
5th Apr 2011, 13:26
Replies: 3,893
Views: 1,535,553
Posted By takata

AP OFF was certainly not due to manual action: AP...

AP OFF was certainly not due to manual action: AP was switched OFF by the system, hence, this relevant ACAR was sent (no ACAR would be sent if this was due to a manual switch). It means that before...
Forum: Tech Log
5th Apr 2011, 12:53
Replies: 3,893
Views: 1,535,553
Posted By takata

Well. but the late triggering of "ADR disagree"...

Well. but the late triggering of "ADR disagree" at 02.12 is obviously what caused ALT2, Autopilot OFF, Autothrust OFF, Rudder limiter control, etc. And this is what happend in the first place at...
Forum: Tech Log
5th Apr 2011, 12:07
Replies: 3,893
Views: 1,535,553
Posted By takata

My understanding is that the system switched to...

My understanding is that the system switched to "Alternate law 2" from the begining at 02.10. Then, "AOA protection" was lost from the start of the sequence anyway.

Why would they initiate such an...
Forum: Tech Log
5th Apr 2011, 10:44
Replies: 3,893
Views: 1,535,553
Posted By takata

Here is the main point that is almost ruling out...

Here is the main point that is almost ruling out an upset at 02.10 causing the crash where the wreckage is actually lying.

It certainly doesn't take 5 minutes to "deep stall" from cruise level to...
Forum: Tech Log
4th Apr 2011, 17:18
Replies: 3,893
Views: 1,535,553
Posted By takata

Chris They still don't have those informations...

Chris
They still don't have those informations at the moment. Those pictures are taken from the first close up to verify if it was the right site. It is what they are doing right now, taking the...
Forum: Tech Log
4th Apr 2011, 16:58
Replies: 3,893
Views: 1,535,553
Posted By takata

It is taken from one of the three Remus (those...

It is taken from one of the three Remus (those small yellow torpedoes used for scanning the sea bed) in another close up dive for taking those pictures after completing their area scan.
For the lift...
Forum: Tech Log
4th Apr 2011, 16:51
Replies: 3,893
Views: 1,535,553
Posted By takata

The arrow is pointing at the location of the...

The arrow is pointing at the location of the abyssal plain, not to the crash site which is located somewhere on this dark blue spot.
Forum: Tech Log
4th Apr 2011, 16:12
Replies: 3,893
Views: 1,535,553
Posted By takata

Wreckage: ...

Wreckage:

http://www.bea.aero/fr/enquetes/vol.af.447/images/wreckage.jpg

http://www.bea.aero/fr/enquetes/vol.af.447/images/wing.jpg

...
Forum: Tech Log
4th Apr 2011, 15:41
Replies: 3,893
Views: 1,535,553
Posted By takata

In fact, it was by other means than sonar...

In fact, it was by other means than sonar (acoustic search or aerial search and rescue). For this phase, they decided to discard any means other than specific deep sonar investigation.
Showing results 1 to 35 of 97
 
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