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Search: Posts Made By: RetiredF4
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Forum: Tech Log
28th Sep 2016, 16:47
Replies: 1,677
Views: 530,597
Posted By RetiredF4

@uplinker Very interesting expierience,...

@uplinker

Very interesting expierience, thank you for sharing it!

And fully agree, reading of FCOM does not make a pilot, and reading up on emergency procedures does not prevent from acting...
Forum: Tech Log
27th Sep 2016, 19:59
Replies: 1,677
Views: 530,597
Posted By RetiredF4

@all nice to see you guys back, I actually...

@all

nice to see you guys back, I actually missed you all!
And nothing has changed concerning the individual assesment concerning AOA!

Keep happy!
Forum: Tech Log
22nd Sep 2016, 16:14
Replies: 1,677
Views: 530,597
Posted By RetiredF4

Aviation week "Understanding AOA indicators"

Years after ..........., at last.

Understanding The Angle-Of-Attack Indicator | Business Aviation content from Aviation Week...
Forum: Tech Log
16th Feb 2015, 06:40
Replies: 1,677
Views: 530,597
Posted By RetiredF4

When your management get's notice that you fly...

When your management get's notice that you fly your airliner like that in daily flying, or even that it is usual for you to expose your passengers to such flying, then you get fired. If you do it in...
Forum: Tech Log
15th Feb 2015, 07:26
Replies: 1,677
Views: 530,597
Posted By RetiredF4

Although you are right for this case in following...

Although you are right for this case in following PJ2' s early recomendation to do nothing, the conclusion that training in high altitude manual handling and stall avoidance or recovery training for...
Forum: Tech Log
28th Jan 2015, 06:50
Replies: 1,677
Views: 530,597
Posted By RetiredF4

I have no intent to argue with your POV, but to...

I have no intent to argue with your POV, but to clarify things up I have one question:

Are you saying, that direct law will not happen due to system degradation or any other FBW malfunction except...
Forum: Tech Log
3rd Dec 2014, 16:22
Replies: 1,677
Views: 530,597
Posted By RetiredF4

It was and still is a clever move to sell the...

It was and still is a clever move to sell the flight envelope protections only as a device to protect the aircraft from the pilot inputs and to allow them to use maximum control imputs without...
Forum: Tech Log
27th Nov 2014, 06:54
Replies: 1,677
Views: 530,597
Posted By RetiredF4

. Yes, gums statement looks harsh,...

.


Yes, gums statement looks harsh, Although I underwrite the first part of his sentence and see the second part more as outcome than as intent.

See the FAST magazine 23 from 1998


...
Forum: Tech Log
22nd Nov 2014, 07:08
Replies: 1,677
Views: 530,597
Posted By RetiredF4

I think that this change from piloting years ago...

I think that this change from piloting years ago to now can be overall expressed in simple terms. Years ago pilots had been trained to act as controller of the whole system, from planning stage to...
Forum: Tech Log
15th Oct 2014, 07:25
Replies: 1,677
Views: 530,597
Posted By RetiredF4

This statement is esentially misleading and not...

This statement is esentially misleading and not completely correct. Correct would be the airplane will maintain a loadfactor of 1g. Correct would be if you add ....... if the autothrottle takes care...
Forum: Tech Log
14th Oct 2014, 14:10
Replies: 1,677
Views: 530,597
Posted By RetiredF4

That is a vital question. I think it is a mix of...

That is a vital question. I think it is a mix of not sufficient knowledge about general aerodynamic matters and missing energy awareness. In all our discussions there surfaced another obvious fact,...
Forum: Tech Log
8th Oct 2014, 09:10
Replies: 1,677
Views: 530,597
Posted By RetiredF4

Hello PJ2, yes i'm very cautious to the sim...

Hello PJ2,
yes i'm very cautious to the sim experiments, and especially due to the facts that such experiments or their results are not known from BEA or AB or from the main players in Simulator...
Forum: Tech Log
8th Oct 2014, 06:43
Replies: 1,677
Views: 530,597
Posted By RetiredF4

That logik would not work. THS trim afaik is...

That logik would not work.
THS trim afaik is not driven by SS, but by elevator position.
The SS demands a load factor change or a loadfactor of 1 g if stick is in neutral position. The Computers...
Forum: Tech Log
6th Oct 2014, 20:48
Replies: 1,677
Views: 530,597
Posted By RetiredF4

OK465, thank you for providing some answers to my...

OK465, thank you for providing some answers to my questions.




If the fixed gains are for 330 KIAS and the jet is in a low speed situation, then the resulting flight control deflections would...
Forum: Tech Log
6th Oct 2014, 07:15
Replies: 1,677
Views: 530,597
Posted By RetiredF4

First I'm cautious concerning the extent of...

First I'm cautious concerning the extent of reality of present flight sims concerning stall behaviour and reaction of the sim on flight control inputs in this untested flight regime.

But looking...
Forum: Tech Log
5th Oct 2014, 15:39
Replies: 1,677
Views: 530,597
Posted By RetiredF4

A theoretical assumption. In the animation...

A theoretical assumption.

In the animation video
at 2h:11m:55s the pitch is -10°, AOA is 38°
at 2h:12m:08s the pitch is -10°, AOA is 41°
at 2h:12m:52s the pitch is - 8°, AOA is 36°

The...
Forum: Tech Log
3rd Oct 2014, 07:33
Replies: 1,677
Views: 530,597
Posted By RetiredF4

The hands off simulation demonstrates two points...

The hands off simulation demonstrates two points within the initial first minute of the upset:

The pitch excursion was caused by Bonins initial pitch input
The roll excursion was worsened in...
Forum: Tech Log
1st Oct 2014, 09:01
Replies: 1,677
Views: 530,597
Posted By RetiredF4

I tend to disagree. We have two major Aircraft...

I tend to disagree.
We have two major Aircraft manufacturers with different steering concepts, Boing and Airbus. We tend to see the difference in the SS vs traditional control column layout of the...
Forum: Tech Log
29th Sep 2014, 07:30
Replies: 1,677
Views: 530,597
Posted By RetiredF4

Just a reminder, with a nose down side stick...

Just a reminder, with a nose down side stick input a ND rotation is intended by the PF, but a reduction of a former g-demand is executed by the fbw system. The aircraft was already falling with less...
Forum: Tech Log
22nd Sep 2014, 06:30
Replies: 1,677
Views: 530,597
Posted By RetiredF4

maybe we all should read on the matter of PIO, or...

maybe we all should read on the matter of PIO, or better on APC, as that's the term now used.

Pilot Induced Oscillation (http://www.jetcareers.com/pilot-induced-oscillations.html)

A few points...
Forum: Tech Log
21st Sep 2014, 18:58
Replies: 1,677
Views: 530,597
Posted By RetiredF4

I think we all respect and share this point of...

I think we all respect and share this point of view, but the discussion imho at the moment is what went wrong when Bonin did what he did and why did he do it.
Besides doing nothing an expierienced...
Forum: Tech Log
14th Sep 2014, 19:14
Replies: 1,677
Views: 530,597
Posted By RetiredF4

That is a hell of a confidence in a guy, who...

That is a hell of a confidence in a guy, who stalled a perfectly flying aircraft without noticing.
Forum: Tech Log
22nd Aug 2014, 07:18
Replies: 1,677
Views: 530,597
Posted By RetiredF4

DW, We discussed the matter in great detail 2...

DW,
We discussed the matter in great detail 2 years ago,

http://www.pprune.org/tech-log/489774-af-447-thread-no-9-a-29.html#post7303835

and my post there still holds.
...
Forum: Tech Log
21st Aug 2014, 22:37
Replies: 1,677
Views: 530,597
Posted By RetiredF4

Come on Dozy, you can do better than that. ...

Come on Dozy,
you can do better than that.

From FCOM A 330/340



AF447 Final report:
Forum: Tech Log
21st Aug 2014, 20:03
Replies: 1,677
Views: 530,597
Posted By RetiredF4

Dozy, where do you have that (colored part)...

Dozy, where do you have that (colored part) conclusion from? From year long discussions on several AF447 threads I remember, that the FBW system in ALT 2b, which was the mode AF 447 defaulted to,...
Forum: Tech Log
13th Jun 2014, 07:25
Replies: 1,677
Views: 530,597
Posted By RetiredF4

I'm with both of you on that one. PIO is a...

I'm with both of you on that one.

PIO is a very surprising event, and the problem lies in recognising it from the beginning. If not recognized the trained corrective action (to counter the...
Showing results 1 to 26 of 26


 
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