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Search: Posts Made By: mm43
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Forum: Tech Log
2nd Nov 2011, 08:49
Replies: 1,688
Views: 407,288
Posted By mm43

Surely these guys "got off the wheel" before it...

Surely these guys "got off the wheel" before it had a chance to turn full circle.

The Stall Warning is just that, and if it was to serve its designed for purpose, the PF/PNF would be expected to...
Forum: Tech Log
30th Oct 2011, 21:12
Replies: 1,688
Views: 407,288
Posted By mm43

@Dozy; Think you'll find that Lyman will...

@Dozy;

Think you'll find that Lyman will leave it alone.

Have been back and highlighted the ALT-2 proviso in the graphic a few posts back. As HN39 has carefully pointed out, the BEA have had...
Forum: Tech Log
30th Oct 2011, 20:23
Replies: 1,688
Views: 407,288
Posted By mm43

RetiredF4; I actually agree with you! ...

RetiredF4;

I actually agree with you!

The ALT2 proviso "kills" further discussion on it.
Forum: Tech Log
30th Oct 2011, 19:10
Replies: 1,688
Views: 407,288
Posted By mm43

CONF iture; ChristiaanJ; I raised the THS...

CONF iture; ChristiaanJ;

I raised the THS auto trim matter by PM with another poster a couple of days ago, and for the benefit of all, the excerpt from the A330 Instructor Support Manual follows:-...
Forum: Tech Log
30th Oct 2011, 00:58
Replies: 1,688
Views: 407,288
Posted By mm43

CONF iture; Thanks for your comments. ...

CONF iture;

Thanks for your comments.

The following link to the A330 Instructor Support Manual (http://www.scribd.com/doc/35605266/INSTRUCTOR-SUPPORT-Airbus-A330) will provide some more insight...
Forum: Tech Log
29th Oct 2011, 21:03
Replies: 1,688
Views: 407,288
Posted By mm43

Alternate Law 2 - Reduced Yaw Stability

After reading and re-reading a number of A330 documents and checking the FDR traces (p.112), I have tentatively deduced that the aircraft's tendency to a RH roll was directly related to the rudder...
Forum: Tech Log
22nd Oct 2011, 23:01
Replies: 1,688
Views: 407,288
Posted By mm43

Google searches of specific AF447 threads

The following Google search terms will enable you to search AF447 threads individually.

AF447 - [search term] site:pprune.org/tech-log/376433?AF447 Search to resume - [search term]...
Forum: Tech Log
22nd Oct 2011, 20:07
Replies: 1,688
Views: 407,288
Posted By mm43

Chris Scott; TTex600; Sorry about the...

Chris Scott; TTex600;

Sorry about the confusion over the Google search string. I didn't check after posting, or I would have noted the url had shown as a link.

Anyway, the format is as posted...
Forum: Tech Log
21st Oct 2011, 19:13
Replies: 1,688
Views: 407,288
Posted By mm43

TTex600; There has been on and off...

TTex600;

There has been on and off discussion regarding possible reasons for the PF adopting the NU inputs with the Sidestick.

Takata posted full details and description of the SS in AF447...
Forum: Tech Log
14th Oct 2011, 20:55
Replies: 1,688
Views: 407,288
Posted By mm43

These statements appear to create an English...

These statements appear to create an English grammatical juxtaposition, and the intention (IMO) is to state,

"If remaining altitude indication is unreliable: Both FPV and V/S are affected, and...
Forum: Tech Log
9th Oct 2011, 20:54
Replies: 1,688
Views: 407,288
Posted By mm43

Please clean your monocle!:} The BEA Interim...

Please clean your monocle!:}

The BEA Interim Report No3 actually said,
That was in relation to the initial climb, but during the second phase the SW activated at AoA 5.9°, AOAmax was passed at...
Forum: Tech Log
3rd Oct 2011, 09:05
Replies: 1,688
Views: 407,288
Posted By mm43

Thank you! I have absolutely no doubt that you...

Thank you! I have absolutely no doubt that you are right.

The aircraft was never involved in teaching its masters - it was the other way. Its masters were 'meant to know' the aircraft's...
Forum: Tech Log
28th Sep 2011, 20:35
Replies: 1,688
Views: 407,288
Posted By mm43

You are of course right! Though I suspect that...

You are of course right! Though I suspect that with the twin PFDs that a similar configuration is available when the correct page(s) is/are selected.

Strangely, the image was part of an Airbus...
Forum: Tech Log
28th Sep 2011, 05:12
Replies: 1,688
Views: 407,288
Posted By mm43

When the PFDs are changed (as per A380) to...

When the PFDs are changed (as per A380) to provide conclusive evidence of where the side-stick is, who has got control, along with rudder pedal position and AoA indication - then the "big red button"...
Forum: Tech Log
22nd Sep 2011, 05:04
Replies: 1,688
Views: 407,288
Posted By mm43

The direct link to the January 2011 Airbus Safety...

The direct link to the January 2011 Airbus Safety First magazine is here (http://www.ukfsc.co.uk/files/Safety%20Briefings%20_%20Presentations/Airbus%20Safety%20First%20Mag%20-January%202011.pdf).
Forum: Tech Log
6th Sep 2011, 19:52
Replies: 1,688
Views: 407,288
Posted By mm43

The BEA's Report by the Triggered Transmission of...

The BEA's Report by the Triggered Transmission of Flight Data Group (http://www.bea.aero/en/enquetes/flight.af.447/triggered.transmission.of.flight.data.pdf) was published last March and I recall has...
Forum: Tech Log
2nd Sep 2011, 01:14
Replies: 1,688
Views: 407,288
Posted By mm43

Have another look at the traces and you will find...

Have another look at the traces and you will find the yaw damper was working and contributed more and more as the IAS decreased. The pedals were only used from 2:13:05, and all other rudder movements...
Forum: Tech Log
1st Sep 2011, 20:08
Replies: 1,688
Views: 407,288
Posted By mm43

AoA Vane #1

Well it could be related to ice, or it could be related to the EASA AD, and there is no way of proving it now. Though looking at the traces (when valid), it was tracking again prior to 2:12:20.
...
Forum: Tech Log
1st Sep 2011, 04:23
Replies: 1,688
Views: 407,288
Posted By mm43

No! AoA Vane #1 was having a 'rest' well before...

No! AoA Vane #1 was having a 'rest' well before the AP disconnect.

http://oi51.tinypic.com/sfw9ic.jpg
Forum: Tech Log
31st Aug 2011, 19:26
Replies: 1,688
Views: 407,288
Posted By mm43

Thanks for the reply and the attached s/s...

Thanks for the reply and the attached s/s graphic. Will have a good look at it shortly.
Forum: Tech Log
30th Aug 2011, 20:50
Replies: 1,688
Views: 407,288
Posted By mm43

grity; Ok. The center of lift is moving, and...

grity;

Ok. The center of lift is moving, and the the cause of the pitching may be the 0.3g peak to peak shown in the Normal Acceleration trace. I suspect it will be a point of further discussion. ...
Forum: Tech Log
30th Aug 2011, 19:00
Replies: 1,688
Views: 407,288
Posted By mm43

Hello grity, They were the test pilots...

Hello grity,

They were the test pilots taking an A330 into its first stall, and the period you have referred to is what I have called the 'PRE STALL'. I believe that pitching oscillation occurs...
Forum: Tech Log
30th Aug 2011, 04:14
Replies: 1,688
Views: 407,288
Posted By mm43

The following is a combination of FDR traces...

The following is a combination of FDR traces posted in a format used to convey the data that HazelNuts39 had originally constructed from the BEA's initial report on the FDR data.

These copied...
Forum: Tech Log
29th Aug 2011, 22:15
Replies: 1,688
Views: 407,288
Posted By mm43

The French version uses words such as 'monte'...

The French version uses words such as 'monte' (climb) and 'descend' (descend). I suggest that the BEA were under time constraints and the translation wasn't peer reviewed by AAIB / NTSB. The PF / PNF...
Forum: Tech Log
26th Aug 2011, 19:25
Replies: 1,688
Views: 407,288
Posted By mm43

With Owain Glyndwr's dissertation on the THS /...

With Owain Glyndwr's dissertation on the THS / Elevator relationship, a reposting of a graphic from a previous thread may help. The Attitude represents the aircraft's longitudinal center-line, and...
Forum: Tech Log
24th Aug 2011, 01:41
Replies: 1,688
Views: 407,288
Posted By mm43

airtren;Yes I did. The rudder commands are all...

airtren;Yes I did. The rudder commands are all yaw damper commands, except in one instance where the pedal was jumped on. When looking at the Pedal trace and comparing it with the Yaw trace I noted...
Forum: Tech Log
24th Aug 2011, 01:32
Replies: 1,688
Views: 407,288
Posted By mm43

Ian W; I believe that Airbus had worked out...

Ian W;
I believe that Airbus had worked out from the ACARS sequence the most likely scenario, and that statement is valid when compared with the Thrust and Pitch Attitude graphic shown on the...
Forum: Tech Log
23rd Aug 2011, 21:22
Replies: 1,688
Views: 407,288
Posted By mm43

PIO would seem to be the answer, but don't forget...

PIO would seem to be the answer, but don't forget that post 2:10:51 the aircraft wasn't within a 'normal' flight envelope.

Worth looking at is the yaw damper, the rudder and the lateral 'g'...
Forum: Tech Log
23rd Aug 2011, 19:54
Replies: 1,688
Views: 407,288
Posted By mm43

Now explain why AoA vane #1 got stuck! A...

Now explain why AoA vane #1 got stuck!

A seagull embedded on it?:}
Forum: Tech Log
23rd Aug 2011, 09:32
Replies: 1,688
Views: 407,288
Posted By mm43

Stall Recovery Procedure

The following Airbus Safety Magazine - Safety First - January 2011 link has a fully illustrated description of the new common Stall Recovery Procedure...
Forum: Tech Log
20th Aug 2011, 09:25
Replies: 1,688
Views: 407,288
Posted By mm43

RetiredF4, Thanks for the comprehensive...

RetiredF4,

Thanks for the comprehensive response. Will analyze it in the morning and respond.
Forum: Tech Log
20th Aug 2011, 05:53
Replies: 1,688
Views: 407,288
Posted By mm43

Hello airtren; From BEA Final Report into...

Hello airtren;

From BEA Final Report into TAROM A310 incident:-Back to AF447. Semantics can always be an issue. Neutralizing the elevator demand means just that, i.e. if continuous demand is...
Forum: Tech Log
19th Aug 2011, 21:02
Replies: 1,688
Views: 407,288
Posted By mm43

The question should really be, "Did the elevator...

The question should really be, "Did the elevator have ND authority during the period when the aircraft was on the wrong side of the stall warning?" The answer is yes it did, and indications are that...
Forum: Tech Log
14th Aug 2011, 21:38
Replies: 1,688
Views: 407,288
Posted By mm43

An "in context" adaption of an excerpt from...

An "in context" adaption of an excerpt from Ironies of Automation (http://www.bainbrdg.demon.co.uk/Papers/Ironies.html), by Lisanne Bainbridge, Department of Psychology, University College London....
Showing results 1 to 34 of 34


 
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