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Search: Posts Made By: Machinbird
Showing results 1 to 35 of 109
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Forum: Tech Log
4th Apr 2012, 14:27
Replies: 1,353
Views: 300,314
Posted By Machinbird

It is all well and fine to put something down in...

It is all well and fine to put something down in a written SOP, but if you do not test people to verify their understanding of the SOP, then you are asking for major violations of the SOP.

Since...
Forum: Tech Log
2nd Apr 2012, 04:17
Replies: 1,353
Views: 300,314
Posted By Machinbird

OC, the delay was expected due to time zones. ...

OC, the delay was expected due to time zones.
There has been a major de-skilling of the airline pilot community by virtue of automation. The new guys coming up are very good in handling the...
Forum: Tech Log
1st Apr 2012, 19:01
Replies: 1,353
Views: 300,314
Posted By Machinbird

Fortunately, due to redundancy concepts, we can...

Fortunately, due to redundancy concepts, we can have small failures and not have an accident. Our actual airline accident rate on an hourly basis is far better than 6 sigma. (For most airlines at...
Forum: Tech Log
1st Apr 2012, 17:08
Replies: 1,353
Views: 300,314
Posted By Machinbird

PJ2 You will get no argument from me here...

PJ2
You will get no argument from me here although IMHO this belongs under (2)-They lost track of the aircraft due to roll control problems.
Your observation on the force mis-match between...
Forum: Tech Log
1st Apr 2012, 15:45
Replies: 1,353
Views: 300,314
Posted By Machinbird

OC, deteriorating aircraft handling skill level...

OC, deteriorating aircraft handling skill level for pilots of automated aircraft are a fact of life. The reasons are myriad but are frequently discussed on a number of threads on this forum. We...
Forum: Tech Log
1st Apr 2012, 15:06
Replies: 1,353
Views: 300,314
Posted By Machinbird

T-Vasis That is the $64,000 question. There...

T-Vasis
That is the $64,000 question. There are two basic lines of thought on this.


They mis-applied UAS procedures applicable to lower altitudes.
They were distracted by a roll PIO to such...
Forum: Tech Log
1st Apr 2012, 05:40
Replies: 1,353
Views: 300,314
Posted By Machinbird

Dutchroll, these were speculative numbers for a...

Dutchroll, these were speculative numbers for a last minute escape from the full stall. The pullout is dependent on achieving near maximum performance, and the stall recovery altitude/time is...
Forum: Tech Log
31st Mar 2012, 16:59
Replies: 1,353
Views: 300,314
Posted By Machinbird

Re, "How do you train aoa instrumentation if it...

Re, "How do you train aoa instrumentation if it is never to be used unless in upset!"


The natural place to be using AOA is on approach. That is where to begin training to use it. Once the...
Forum: Tech Log
30th Mar 2012, 16:52
Replies: 1,353
Views: 300,314
Posted By Machinbird

Thanks for the caution OK465. In that turn rate...

Thanks for the caution OK465.
In that turn rate is pointing your velocity vector away from the down direction, it isn't irrelevant.

I'm actually interested in identifying some generic simple to...
Forum: Tech Log
30th Mar 2012, 14:51
Replies: 1,353
Views: 300,314
Posted By Machinbird

Before the hamster wheel started turning, it was...

Before the hamster wheel started turning, it was becoming clear that the actual pull out of the resulting dive would create less altitude loss than the recovery from the stall.

It seems that the...
Forum: Tech Log
30th Mar 2012, 14:40
Replies: 1,353
Views: 300,314
Posted By Machinbird

As I recall, the Colgan crew had just been...

As I recall, the Colgan crew had just been discussing tail stall which may have primed them for their wrong reactions.

When you are the one flying and something grabs your stick, it is a natural...
Forum: Tech Log
30th Mar 2012, 04:40
Replies: 1,353
Views: 300,314
Posted By Machinbird

Selected Items, Part 25—airworthiness standards: Transport category airplanes

Granted the A330 was not certified initially under US guidelines, but I thought it interesting to see how well it met US standards. As the title says, this is selected information by me.:)
It would...
Forum: Tech Log
29th Mar 2012, 14:53
Replies: 1,353
Views: 300,314
Posted By Machinbird

Oops, so you were basing that on the French...

Oops, so you were basing that on the French original.:O
Google translate was no help.
Forum: Tech Log
29th Mar 2012, 13:42
Replies: 1,353
Views: 300,314
Posted By Machinbird

Maybe not. Too much AOA on a surface can have...

Maybe not. Too much AOA on a surface can have the opposite effect and it can "lose its grip" and allow the aircraft to develop a pitch rate in the opposite direction. Then as AOA decreases, it...
Forum: Tech Log
28th Mar 2012, 01:37
Replies: 1,353
Views: 300,314
Posted By Machinbird

Sure seems like someone is intent on spinning the...

Sure seems like someone is intent on spinning the hamster wheel up to record speed.:yuk:
Forum: Tech Log
26th Mar 2012, 17:12
Replies: 1,353
Views: 300,314
Posted By Machinbird

Lyman, I hate to say this, but you are flaunting...

Lyman, I hate to say this, but you are flaunting your confusion and lack of knowledge.
You are confusing speedbrakes and flaps. One goes up, one goes down on the A330.
Time for you to re-read FCOM...
Forum: Tech Log
26th Mar 2012, 02:39
Replies: 1,353
Views: 300,314
Posted By Machinbird

Nothing new on the BEA site. Publication of the...

Nothing new on the BEA site. Publication of the report is planned for the first half of 2012.
Forum: Tech Log
26th Mar 2012, 02:32
Replies: 1,353
Views: 300,314
Posted By Machinbird

Witness Marks

Lyman, on a scan through BEA interim report 3, I found no such picture-but I admit to being occasionally unobservant.:O There was a picture of a flap track in an earlier report, but that showed the...
Forum: Tech Log
25th Mar 2012, 23:20
Replies: 1,353
Views: 300,314
Posted By Machinbird

No, it most certainly is not a fighter. But we...

No, it most certainly is not a fighter. But we have gained ~2000 feet in pull out altitude from the initial cut at at the pull out. We haven't even hit the cornering speed. To avoid secondary...
Forum: Tech Log
25th Mar 2012, 16:41
Replies: 1,353
Views: 300,314
Posted By Machinbird

Ain't that the truth! Just for purposes of...

Ain't that the truth!
Just for purposes of convenient reference, I am going to bring Hazelnut's Phugoid chart over to discuss how to possibly improve the results. To improve the results, we have to...
Forum: Tech Log
24th Mar 2012, 19:17
Replies: 1,353
Views: 300,314
Posted By Machinbird

My experience in the A-4 Skyhawk which had a...

My experience in the A-4 Skyhawk which had a similar THS configuration to the A330, and the results of the Perpignan A320 accident lead me to believe that the THS trim is going to pace the recovery....
Forum: Tech Log
24th Mar 2012, 03:51
Replies: 1,353
Views: 300,314
Posted By Machinbird

And Presto! we have some numbers and they show...

And Presto! we have some numbers and they show that, Thank you HazelNuts:ok:.

The point about unloading relates to rapidly accelerating away from the zone where it is very easy to achieve...
Forum: Tech Log
23rd Mar 2012, 23:46
Replies: 1,353
Views: 300,314
Posted By Machinbird

Well of course I am! ;)Are there any more...

Well of course I am! ;)Are there any more reliable numbers in FCOM?

Just think about how much altitude your Super Sabre would take to recover if you stalled it but did not depart it under...
Forum: Tech Log
23rd Mar 2012, 18:40
Replies: 1,353
Views: 300,314
Posted By Machinbird

In the AF447 case, they could have recovered if...

In the AF447 case, they could have recovered if they had initiated somewhere around 10,000 feet, maybe even less, but there would be no room for secondary stalls. It would have to be done perfectly,...
Forum: Tech Log
23rd Mar 2012, 16:38
Replies: 1,353
Views: 300,314
Posted By Machinbird

RR_NDB, unloading the wing is used to prevent...

RR_NDB, unloading the wing is used to prevent entering a stall, even when the aircraft is well below its normal level flight stall speed.

You cannot effectively teach unloading the wing in a...
Forum: Tech Log
23rd Mar 2012, 02:50
Replies: 1,353
Views: 300,314
Posted By Machinbird

Perhaps not the sense of vison, but the...

Perhaps not the sense of vison, but the management of priorities. If the roll is making it hard for the crew to even hold their position in the cockpit and to maintain a semblance of control, then...
Forum: Tech Log
22nd Mar 2012, 16:19
Replies: 1,353
Views: 300,314
Posted By Machinbird

Simple answer to this question. When the bank...

Simple answer to this question. When the bank became excessive, the sensation of down became well off to the side. If the Captain was standing between the seats, holding on to head rests, he would...
Forum: Tech Log
21st Mar 2012, 04:42
Replies: 1,353
Views: 300,314
Posted By Machinbird

Long experience with the perversity of aviation...

Long experience with the perversity of aviation accident causes makes me extremely suspicious when I see anomalous behavior.
While I absolutely agree that the 8 degree initial bank was no big...
Forum: Tech Log
20th Mar 2012, 03:00
Replies: 1,353
Views: 300,314
Posted By Machinbird

Speaking for myself, I don't believe it stopped...

Speaking for myself, I don't believe it stopped there by itself, but as a result of PF's control (over reaction) input. There really is nothing to stop a roll rate in Alt 2 except a bit of opposite...
Forum: Tech Log
20th Mar 2012, 01:07
Replies: 1,353
Views: 300,314
Posted By Machinbird

You just have to be smooooooth to fly in cruise...

You just have to be smooooooth to fly in cruise at altitude. Actually no big deal once you relax. Unfortunately, AF447's PF was anything but relaxed or smooth. The unexpected cavalry charge set...
Forum: Tech Log
18th Mar 2012, 23:07
Replies: 1,353
Views: 300,314
Posted By Machinbird

Phugoid Curves

The diagram is from NASA TM X- 73,229 which is about recovering hang gliders from dives, but has broader implications as well as a fair bit of aviation history behind it....
Forum: Tech Log
18th Mar 2012, 19:09
Replies: 1,353
Views: 300,314
Posted By Machinbird

Just that Airbus/EASA were concerned enough about...

Just that Airbus/EASA were concerned enough about that configuration to publish an AD about it. AD No.: 2010-0271
http://ad.easa.europa.eu/blob/easa_ad_2010_0271.pdf/AD_2010-0271_1
Forum: Tech Log
17th Mar 2012, 19:01
Replies: 1,353
Views: 300,314
Posted By Machinbird

I hold similar views to Mr. Spinkleman's and have...

I hold similar views to Mr. Spinkleman's and have discussed this with a prime offender via PM. I would be great if that person adopted the suggestions discussed.

It is now a free speech world,...
Forum: Tech Log
17th Mar 2012, 18:43
Replies: 1,353
Views: 300,314
Posted By Machinbird

It would appear from NeoFit's chart that FD data...

It would appear from NeoFit's chart that FD data became available just in time to be suspect as a cause for the second pull up leading to the stall.
http://i.imgur.com/CYgs7.png
Forum: Tech Log
17th Mar 2012, 18:37
Replies: 1,353
Views: 300,314
Posted By Machinbird

Is it proven that the Quick Access Recorder data...

Is it proven that the Quick Access Recorder data cannot be resurrected from its time in the depths? I don't remember the answer anymore.:O

Personal opinion only, since the AP and A/THR...
Showing results 1 to 35 of 109
 
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