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Search: Posts Made By: Volume
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Forum: Rumours & News
11th Dec 2015, 07:45
Replies: 3,923
Views: 4,468,468
Posted By Volume

The question probably is, was the PF fully aware...

The question probably is, was the PF fully aware what it means to fly a FBW aircraft in degraded condition?
Was he aware, which FBW functions were still operative (e.g. Autotrim, Stall Warning) and...
Forum: Rumours & News
10th Dec 2015, 08:27
Replies: 3,923
Views: 4,468,468
Posted By Volume

This might be a typical misconception, similar to...

This might be a typical misconception, similar to what we see for system safety assessments sometimes.
The same reason why the aircraft has to revert to a different law might also cause the crew to...
Forum: Rumours & News
10th Dec 2015, 07:46
Replies: 3,923
Views: 4,468,468
Posted By Volume

They are struggling to find the right words /...

They are struggling to find the right words / phrases for situations they do not even fully understand? We also had incidents/accidents where the communication with ATC did not work at all, because...
Forum: Rumours & News
8th Dec 2015, 06:41
Replies: 3,923
Views: 4,468,468
Posted By Volume

...although the trouble started from system...

...although the trouble started from system components failing in both cases. So adding more of those will probably not solve the issue. But it may save money in the short term, while more pilot...
Forum: Rumours & News
7th Dec 2015, 15:18
Replies: 3,923
Views: 4,468,468
Posted By Volume

It is especially not able to simulate any...

It is especially not able to simulate any constant acceleration. Not more than 1g in steep turns, not less than 1g when recovering from a high pitch attitude. It may even confuse pilots when it...
Forum: Rumours & News
7th Dec 2015, 09:20
Replies: 3,923
Views: 4,468,468
Posted By Volume

An AoA Sensor on the wings is more a roll...

An AoA Sensor on the wings is more a roll sensor... And sensitive to flap setting. Good enough for a stall warning, but not as a primary flight instrument.
Especially if the roll is induced by...
Forum: Rumours & News
4th Dec 2015, 08:21
Replies: 3,923
Views: 4,468,468
Posted By Volume

The AoA Indicator could surely improve aircraft...

The AoA Indicator could surely improve aircraft safety, if it would be a primary instrument from the first flying lesson. It would be essential to understand that Stall is not an airspeed issue, and...
Forum: Rumours & News
3rd Dec 2015, 09:26
Replies: 3,923
Views: 4,468,468
Posted By Volume

48° AoA is massive. Many test pilots have never...

48° AoA is massive. Many test pilots have never been there. No modern Jet transport has ever been there in a controlled and monitored environment, so absolutely no data is available.
It is very...
Forum: Rumours & News
2nd Dec 2015, 15:42
Replies: 3,923
Views: 4,468,468
Posted By Volume

because the exakt fault was not known. Spurious...

because the exakt fault was not known. Spurious computer errors do happen frequently. If resetting solves the issue, no further action is taken. If the fault can not be reproduced on ground (e.g. due...
Forum: Rumours & News
2nd Dec 2015, 08:11
Replies: 3,923
Views: 4,468,468
Posted By Volume

That indeed is the question to ask. The fact that...

That indeed is the question to ask. The fact that this time the pilots were quite experienced rules out that todays initial training of pilots is the major issue. The fact that they flew quite basic...
Forum: Rumours & News
21st Feb 2015, 13:34
Replies: 3,923
Views: 4,468,468
Posted By Volume

First of all it points to a perfectly normal...

First of all it points to a perfectly normal process. All involved parties get a preliminary report and have the chance to comment. This may provide the investigators with aspects, views and...
Forum: Rumours & News
5th Feb 2015, 06:55
Replies: 3,923
Views: 4,468,468
Posted By Volume

The Stabilizer is for stability (hence the name),...

The Stabilizer is for stability (hence the name), but it does not necessarily have to "push down the tail" for that. Only the momentum arms around the center of gravity, the wing area and the lift...
Forum: Rumours & News
4th Feb 2015, 09:42
Replies: 3,923
Views: 4,468,468
Posted By Volume

Actually it is not for stability, but for moment...

Actually it is not for stability, but for moment compensation. The moment compensated is the nose-down pitching moment produced naturally by any cambered airfoil with attached flow. So when stalled,...
Forum: Rumours & News
4th Feb 2015, 06:49
Replies: 3,923
Views: 4,468,468
Posted By Volume

The term "deep stall" (and the phenomena) already...

The term "deep stall" (and the phenomena) already existed at least 3 decades before the first T-Tail was invented.
Basically what it means is stable flight in the region between the first Clmax...
Forum: Rumours & News
3rd Feb 2015, 07:03
Replies: 3,923
Views: 4,468,468
Posted By Volume

It even is OK for any aircraft to have some...

It even is OK for any aircraft to have some "quirks" and it is OK not to redesign if you discover them, as long as the overall accident statistics are fine and the change would even add more...
Forum: Rumours & News
2nd Feb 2015, 11:18
Replies: 3,923
Views: 4,468,468
Posted By Volume

Nowadays instructors are strictly banned from...

Nowadays instructors are strictly banned from discussing, how things should be taught. It is set in stone in the regulatory documents what should be taught and how. This is called standardisation......
Forum: Rumours & News
2nd Feb 2015, 08:14
Replies: 3,923
Views: 4,468,468
Posted By Volume

Seems to be an obsession of all people operating...

Seems to be an obsession of all people operating powered aircraft. When converting from glider to SEP I was shouted at by my flight instructor when trying to recover a stall by releasing the stick...
Forum: Rumours & News
29th Jan 2015, 07:25
Replies: 3,923
Views: 4,468,468
Posted By Volume

Since aircraft have grown in size beyond what the...

Since aircraft have grown in size beyond what the pilot can control by his own power, trim has always been a feature that can kill you if wrongly used. This was one of the reasons why the L1011 did...
Forum: Rumours & News
28th Jan 2015, 13:02
Replies: 3,923
Views: 4,468,468
Posted By Volume

Not only for extended input. Any sidestick pitch...

Not only for extended input. Any sidestick pitch input commands g´s, or a change in the flight path vector (it needs a normal acceleration to change the flight path vector). Releasing the stick does...
Forum: Rumours & News
28th Jan 2015, 09:57
Replies: 3,923
Views: 4,468,468
Posted By Volume

As usual : it depends. Normally a system should...

As usual : it depends.
Normally a system should detect that the available data is corrupted/invalid/senseless/outside the norm, and hence should not get confused, but take the action it is designed...
Forum: Rumours & News
28th Jan 2015, 07:13
Replies: 3,923
Views: 4,468,468
Posted By Volume

This is because standardisation and saving money...

This is because standardisation and saving money by doing things "the way we always did it" is found more important these days, than doing the right thing.
If latest cockpit design would be...
Forum: Rumours & News
26th Jan 2015, 15:16
Replies: 3,923
Views: 4,468,468
Posted By Volume

If there is a strong current from the rear end,...

If there is a strong current from the rear end, possibly. Due to gravity it should be closed by now. Even with hydraulics fully intact, after some weeks external forces push it where they want to....
Forum: Rumours & News
23rd Jan 2015, 12:33
Replies: 3,923
Views: 4,468,468
Posted By Volume

Unless this position means the actuator is fully...

Unless this position means the actuator is fully extended (no idea which way it is installed) and the piston rod is bent and hence the rudder fixed in that position, I do not think that the current...
Forum: Rumours & News
23rd Jan 2015, 06:35
Replies: 3,923
Views: 4,468,468
Posted By Volume

Are these statements still true for modern,...

Are these statements still true for modern, digital CVR? For the analogue recording I believe that you can filter a lot, because "it is all there" but buried, in a digital recording there is nothing...
Forum: Rumours & News
19th Jan 2015, 13:06
Replies: 3,923
Views: 4,468,468
Posted By Volume

So they are not only examining the famous "what...

So they are not only examining the famous "what does it do now", but also "did it do that before"? Interesting that they look at all the previous flights, is there some pre-existing malfunction...
Forum: Rumours & News
16th Jan 2015, 11:24
Replies: 3,923
Views: 4,468,468
Posted By Volume

The fundamental misunderstanding is, that this is...

The fundamental misunderstanding is, that this is not the stall recovery procedure, but the procedure to be applied when the stall warning starts to sound. It actually is a stall prevention procedure...
Forum: Rumours & News
15th Jan 2015, 07:56
Replies: 3,923
Views: 4,468,468
Posted By Volume

It is very hard to imagine that a horizontal...

It is very hard to imagine that a horizontal stabilizer fails due to overload (or a "hand").
Having significantly less span than the wing, high "twisting" loads due to roll are impossible, the wings...
Forum: Rumours & News
14th Jan 2015, 12:14
Replies: 3,923
Views: 4,468,468
Posted By Volume

That will definitively be individual for every...

That will definitively be individual for every aircraft, and even depending on actual weight (the lighter you are, the steeper you climb and the longer the nose needs to come down). It also depends...
Forum: Rumours & News
14th Jan 2015, 06:53
Replies: 3,923
Views: 4,468,468
Posted By Volume

As most modern FBW aircraft do also have some...

As most modern FBW aircraft do also have some sort of auto trim logic in their control system, there is no more backpressure. You really have to push to tell the computers that you want to go back to...
Forum: Rumours & News
13th Jan 2015, 12:40
Replies: 3,923
Views: 4,468,468
Posted By Volume

Exactly. A better ELT however (intended to save...

Exactly. A better ELT however (intended to save survivors) would be much more important than a device which allows to publish the report a few days earlier. In which major large aircraft accident of...
Forum: Rumours & News
8th Jan 2015, 15:16
Replies: 3,923
Views: 4,468,468
Posted By Volume

A mental overload is almost inevitable in any...

A mental overload is almost inevitable in any type of aircraft if you are flying it in a condition you never did before, never thought about before and never trained in the sim...

If the diver...
Forum: Rumours & News
8th Jan 2015, 07:52
Replies: 3,923
Views: 4,468,468
Posted By Volume

I am still struggling to fully understand what we...

I am still struggling to fully understand what we can see in the pictures.
The outside pictures quite obviously do show the fuselage skin forward of the aft pax door, and the VTP (you can see the...
Forum: Rumours & News
6th Jan 2015, 08:53
Replies: 3,923
Views: 4,468,468
Posted By Volume

I would not state it that way, Pulkovo 612...

I would not state it that way, Pulkovo 612 (http://en.wikipedia.org/wiki/Pulkovo_Aviation_Enterprise_Flight_612) tells us a different story:
I think IAC nailed it down quite perfectly...
Showing results 1 to 33 of 33


 
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