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Search: Posts Made By: S.F.L.Y
Showing results 1 to 35 of 45
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Forum: Rumours & News
11th Feb 2010, 12:33
Replies: 3,239
Views: 1,137,427
Posted By S.F.L.Y

The report says that: The PF intended to...

The report says that:
The PF intended to disconnect the AP at 600 ft.
He was distracted and omitted to do so (AP remained non-intentionally connected)
He believed it was disconnected (not aware...
Forum: Rumours & News
11th Feb 2010, 11:39
Replies: 3,239
Views: 1,137,427
Posted By S.F.L.Y

The report let you think that nobody was aware of...

The report let you think that nobody was aware of who/what was controlling the aircraft between 600 and 175 ft.

Can't I ask for clarifications without being insulted?
Forum: Rumours & News
11th Feb 2010, 10:20
Replies: 3,239
Views: 1,137,427
Posted By S.F.L.Y

Then just explain me who was aware of who was...

Then just explain me who was aware of who was actually controlling the aircraft since the PF though the AP was disconnected while it wasn't.

A "smart" person should understand why I'm curious...
Forum: Rumours & News
11th Feb 2010, 09:44
Replies: 3,239
Views: 1,137,427
Posted By S.F.L.Y

Deliberately going to airspeed low warning to...

Deliberately going to airspeed low warning to improve gliding distance? I'd be surprised if Boeing would produce any recommendation in that direction...

From my understanding of the report this...
Forum: Rumours & News
10th Feb 2010, 14:28
Replies: 3,239
Views: 1,137,427
Posted By S.F.L.Y

Whoever it is, I'm sure they would be interested...

Whoever it is, I'm sure they would be interested to know whether or not a softer impact could have been possible if the last 500 ft had been under control.
Forum: Rumours & News
10th Feb 2010, 14:20
Replies: 3,239
Views: 1,137,427
Posted By S.F.L.Y

The problem was not that they didn't have enough...

The problem was not that they didn't have enough of speed, they simply didn't control it.
Forum: Rumours & News
10th Feb 2010, 10:36
Replies: 3,239
Views: 1,137,427
Posted By S.F.L.Y

For each config you have an optimum L/D angle of...

For each config you have an optimum L/D angle of attack. Deviating from this value will reduce the L/D ratio.
Forum: Rumours & News
10th Feb 2010, 09:07
Replies: 3,239
Views: 1,137,427
Posted By S.F.L.Y

This isn't correct, as you can see on the...

This isn't correct, as you can see on the following illustration (B787), the later stages of flaps are having a lower impact on the L/D performances than the earlier. This means lift benefits are...
Forum: Rumours & News
9th Feb 2010, 18:28
Replies: 3,239
Views: 1,137,427
Posted By S.F.L.Y

It's not a matter of different eventuality but...

It's not a matter of different eventuality but basic fundamentals. Losses of thrust during initial climb requires to control:

- Safe flight path
- Optimum speed
- Configuration (drag)

There...
Forum: Rumours & News
9th Feb 2010, 18:15
Replies: 3,239
Views: 1,137,427
Posted By S.F.L.Y

Instead of swearing some crew communication could...

Instead of swearing some crew communication could have helped to detect that the AP failed to be disconnected as it was believed.
Forum: Rumours & News
9th Feb 2010, 18:02
Replies: 3,239
Views: 1,137,427
Posted By S.F.L.Y

This is certainly why Boeing issued...

This is certainly why Boeing issued recommendations on monitoring automated approaches which insists on mandatory manual override as soon as an automatism default is identified.

Retracting flaps...
Forum: Rumours & News
9th Feb 2010, 14:09
Replies: 3,239
Views: 1,137,427
Posted By S.F.L.Y

The report mentions that the FO initially...

The report mentions that the FO initially believed he had disconnected the AP and that he subsequently omitted to do so until the stick shaker activates 450 ft lower. My understanding is that nobody...
Forum: Rumours & News
9th Feb 2010, 12:12
Replies: 3,239
Views: 1,137,427
Posted By S.F.L.Y

The statements I was referring to are statements...

The statements I was referring to are statements from the report. CVR transcriptions aren't uncommon in such reports and I only regret that this time it is missing.

You are certainly not a...
Forum: Rumours & News
9th Feb 2010, 09:53
Replies: 3,239
Views: 1,137,427
Posted By S.F.L.Y

Omission's definitions: a mistake...

Omission's definitions:

a mistake resulting from neglect
intentional or unintentional failure to act that may impose criminal liability if a duty to act under the circumstances is specified by...
Forum: Rumours & News
9th Feb 2010, 08:23
Replies: 3,239
Views: 1,137,427
Posted By S.F.L.Y

No CVR transcription... Too bad, that would have...

No CVR transcription... Too bad, that would have been interesting to get a better understanding of these statements:



and



So the report mentions the succession of a "disconnection...
Forum: Rumours & News
18th Jan 2010, 20:27
Replies: 3,239
Views: 1,137,427
Posted By S.F.L.Y

Nobody said they should have lowered the nose and...

Nobody said they should have lowered the nose and reduced the AoA once identified the loss of thrust. Stopping increasing it would already have been great, flying at 118 kts is still better than...
Forum: Rumours & News
17th Jan 2010, 14:15
Replies: 3,239
Views: 1,137,427
Posted By S.F.L.Y

Thanks for the acronym but if you had read the...

Thanks for the acronym but if you had read the thread carefully you should already have diagnosed your dyslexia...

I think we know how long it usually takes to get a report while most of the time...
Forum: Rumours & News
17th Jan 2010, 09:56
Replies: 3,239
Views: 1,137,427
Posted By S.F.L.Y

Sometimes investigators and manufacturers do not...

Sometimes investigators and manufacturers do not show much enthusiasm in sorting out accidents, just like for the A320 lost in Perpignan a year ago... At least for the BA038 BA managed to give safety...
Forum: Rumours & News
11th Jan 2010, 13:03
Replies: 3,239
Views: 1,137,427
Posted By S.F.L.Y

Alleluiah !!!

At least someone who understand and who has practical experience of what we are talking about!

Woodpickle, I'm not rated on the 777 but handled 16,000 ft of engine out glide in IMC with in a...
Forum: Rumours & News
11th Jan 2010, 05:04
Replies: 3,239
Views: 1,137,427
Posted By S.F.L.Y

None of these two options happened. The flight...

None of these two options happened. The flight ended at 102 kts flaps 25 (with headwind...) which is quite far from flaps 25 best glide speed corrected for the wind (probably more than 35 knots of...
Forum: Rumours & News
10th Jan 2010, 22:55
Replies: 3,239
Views: 1,137,427
Posted By S.F.L.Y

You call a 1400 fpm impact a landing? Do I need...

You call a 1400 fpm impact a landing? Do I need to remind you that the landing gear went through the wings? A perfect landing is when you touch the ground at Vs with almost no Vz. In this case they...
Forum: Rumours & News
10th Jan 2010, 22:47
Replies: 3,239
Views: 1,137,427
Posted By S.F.L.Y

In short: this is crap. First of all nobody...

In short: this is crap.

First of all nobody mentioned lowering the nose. Not raising it would already be enough to improve gliding performances.

You think that the longer you stay in the air...
Forum: Rumours & News
10th Jan 2010, 04:25
Replies: 3,239
Views: 1,137,427
Posted By S.F.L.Y

WojtekSz...

WojtekSz (http://www.pprune.org/members/305447-wojteksz), the funny thing between us is that we never understand each other. I'm sorry to say that you're conception of gliding and dead stick landing...
Forum: Rumours & News
9th Jan 2010, 14:00
Replies: 3,239
Views: 1,137,427
Posted By S.F.L.Y

Come on WojtekSz, achieving the best gliding...

Come on WojtekSz, achieving the best gliding distance is done by flying at best glide speed in the cleanest configuration (no flaps or ld gear) and certainly not by pulling on the nose till the...
Forum: Rumours & News
8th Jan 2010, 21:42
Replies: 3,239
Views: 1,137,427
Posted By S.F.L.Y

That's an interesting point but it's just a part...

That's an interesting point but it's just a part of a whole situation. Boeing might recommend to retract flaps from 30 to 25 but I'm quite sure IAS control and initiating a best-glide speed recovery...
Forum: Rumours & News
7th Jan 2010, 08:51
Replies: 3,239
Views: 1,137,427
Posted By S.F.L.Y

Mmmayday38 thanks for your comments and I'm glad...

Mmmayday38 thanks for your comments and I'm glad that you understand my point is not to blame anyone but to understand the mechanisms that lead the sequence of actions, wrong or not. We all are...
Forum: Rumours & News
6th Jan 2010, 14:19
Replies: 3,239
Views: 1,137,427
Posted By S.F.L.Y

Very interesting remark about the AP and pilot...

Very interesting remark about the AP and pilot workload. For sure the AP is here to assist us, provided we use it correctly. Good remark from Suitecaseman regarding using the AP to hold best glide...
Forum: Rumours & News
6th Jan 2010, 07:41
Replies: 3,239
Views: 1,137,427
Posted By S.F.L.Y

Guys, we all agree that at such a low speed the...

Guys, we all agree that at such a low speed the priority is to stop it from decaying and eventually recover some. Without thrust the only thing to do is to reduce drag. Retracting flaps is definitely...
Forum: Rumours & News
5th Jan 2010, 19:42
Replies: 3,239
Views: 1,137,427
Posted By S.F.L.Y

Suitecaseman, I'll not enter you sarcastic game....

Suitecaseman, I'll not enter you sarcastic game. We are talking about low speed in a specific configuration. In their situation it was no more a matter of slowing down the speed decay but to...
Forum: Rumours & News
5th Jan 2010, 05:57
Replies: 3,239
Views: 1,137,427
Posted By S.F.L.Y

Obviously after the second unsuccessful attempt...

Obviously after the second unsuccessful attempt of thrust increase something else had to be done to save speed. Retracting flaps on the ILS is not increasing/saving speed, on the contrary,...
Forum: Rumours & News
4th Jan 2010, 08:09
Replies: 3,239
Views: 1,137,427
Posted By S.F.L.Y

This is exactly what I'm saying. Now you seems to...

This is exactly what I'm saying. Now you seems to be convinced that retracting flaps from 30 to 25 is a much higher priority than to stop the AP pulling on the nose...
On a constant path (ILS) a...
Forum: Rumours & News
3rd Jan 2010, 21:10
Replies: 3,239
Views: 1,137,427
Posted By S.F.L.Y

Two factors are involved in such kind of flares:...

Two factors are involved in such kind of flares: the timing and the available energy. The less you have of the second, the less margin you have for the first. As you said the disbelief most probably...
Forum: Rumours & News
3rd Jan 2010, 17:53
Replies: 3,239
Views: 1,137,427
Posted By S.F.L.Y

Again, this is not the point. Some found out that...

Again, this is not the point. Some found out that different tests in the sims could lead to different results. Fact is that in real life crew's reactions are what they are, and not always appropriate...
Forum: Rumours & News
3rd Jan 2010, 16:13
Replies: 3,239
Views: 1,137,427
Posted By S.F.L.Y

At least two guys are having fun. I don't care...

At least two guys are having fun. I don't care about criticizing the crew, I'm just interested in understanding how they reacted or not and why. I just observe a certain lack of action while speed...
Forum: Rumours & News
3rd Jan 2010, 11:54
Replies: 3,239
Views: 1,137,427
Posted By S.F.L.Y

We shouldn't have the same report since in mine...

We shouldn't have the same report since in mine the X axis is graduated in 2 sec increments. My reading shows that after the speed got below 130 kts you have 13 units before AP disconnect, meaning 26...
Showing results 1 to 35 of 45
 
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