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Search: Posts Made By: Chris Scott
Showing results 1 to 35 of 62
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Forum: Tech Log
23rd May 2011, 19:38
Replies: 2,546
Views: 937,521
Posted By Chris Scott

Sidestick

CogSim, quote:
"Chris Scott's notes on sidestick technique are worth a read even for non-FBW pilots."
http://www.pprune.org/tech-log/316096-lh-a320-rough-landing-hamburg-24.html#post3979423
Glad...
Forum: Tech Log
23rd May 2011, 11:16
Replies: 2,546
Views: 937,521
Posted By Chris Scott

Disclaimer...

Quote from amos2:
Chris Scott, an A320 driver, is one of very few current pilots on this thread who knows what caused this prang... as most current professional pilots do!

Sorry to disappoint...
Forum: Tech Log
22nd May 2011, 19:18
Replies: 2,546
Views: 937,521
Posted By Chris Scott

Airbus FBW EMI-resistance testing (including lightning)

Quote from RR_NDB:
A test 787 (ZA001) was hit by a lightning bolt and survived. (landed). During the Test phase or Certification process, the airliners are "lightning tested"?

Response from...
Forum: Tech Log
22nd May 2011, 18:30
Replies: 2,546
Views: 937,521
Posted By Chris Scott

Airbus FBW Sidestick

Quote from Garage Years:
"my understanding of the side-stick is that the Airbus stick is quite a different design to that of the F-16. The F-16 stick only moves a very small physical deflection and...
Forum: Tech Log
20th May 2011, 20:54
Replies: 2,546
Views: 937,521
Posted By Chris Scott

jcjeant, The BEA's response to the le...

jcjeant,

The BEA's response to the le Figaro article was not only correct and fully justified; it would have been seen to be neglectful not to have issued it in the circumstances.

Your...
Forum: Tech Log
20th May 2011, 17:49
Replies: 2,546
Views: 937,521
Posted By Chris Scott

Decisions

JD-EE, CogSim and bearfoil,

None of you is wrong, and none of you is completely right. Horses for courses?

Complete loss of thrust at a low height is one thing; anomalous indications in the...
Forum: Tech Log
19th May 2011, 17:10
Replies: 2,546
Views: 937,521
Posted By Chris Scott

THS Trim Tanks. CVRs & "Hot" Microphones.

Hi grity,
Just a reminder that the A300-600 series are of similar vintage to the A310. (They retain the A300 wing, if memory serves, unlike the super-critical A310 wing.) They have conventional...
Forum: Tech Log
19th May 2011, 12:53
Replies: 2,546
Views: 937,521
Posted By Chris Scott

JD-EE, Am equally baffled by any suggestion of...

JD-EE,
Am equally baffled by any suggestion of IRU problems.

Hot microphones
Can't find what RR_NDB said right now. Can tell you, though, that the clearest signal on the BAC 1-11 CVR that I...
Forum: Tech Log
18th May 2011, 12:44
Replies: 2,546
Views: 937,521
Posted By Chris Scott

Next of kin

Quote from Golf-Sierra:
As far as checking if there was water in the module prior to powering it up - would not the simplest way be to weigh it?

Nice one. Perhaps the experts can comment?

...
Forum: Tech Log
18th May 2011, 00:15
Replies: 2,546
Views: 937,521
Posted By Chris Scott

auraflyer, Even on the BAC 1-11 circa 1980...

auraflyer,

Even on the BAC 1-11 circa 1980 (UK-registered), the CVR had 5 channels:
each pilot's mic "hot", i.e, live even when pilot not transmitting on radio or intercom;
input to each...
Forum: Tech Log
16th May 2011, 11:46
Replies: 2,546
Views: 937,521
Posted By Chris Scott

Galley Storage Unit

grity, quote:
No Chris, ...the diver stands under the table, in the area the lost trolly-containers are normaly parked, you see the botton demage of the honycomb struktur, the boxes are on top.
...
Forum: Tech Log
16th May 2011, 00:44
Replies: 2,546
Views: 937,521
Posted By Chris Scott

Galleys secured?

Quote from bearfoil, responding to Mr Optimistic‘s post (http://www.pprune.org/tech-log/449639-af-447-search-resume-part2-71.html#post6452420)[FONT=Verdana][SIZE=2]:
I think Chris is referring to...
Forum: Tech Log
14th May 2011, 19:21
Replies: 2,546
Views: 937,521
Posted By Chris Scott

gums, Quote: "Having flown the first...

gums, Quote:
"Having flown the first "operational" full FBW system, I was a non-volunteer test pilot, as were all of us in those days ( 1979 and a few years thereafter)."
The first year of ops on...
Forum: Tech Log
14th May 2011, 12:31
Replies: 2,546
Views: 937,521
Posted By Chris Scott

HN39, Just to clarify: you have the...

HN39,

Just to clarify: you have the aircraft yawing to the right on impact, so the rear fuselage and VS swing left? When the APU detaches, it might be thrown to the forward-left even more than...
Forum: Tech Log
14th May 2011, 10:35
Replies: 2,546
Views: 937,521
Posted By Chris Scott

From the BEA, as quoted by HN39 above: Les...

From the BEA, as quoted by HN39 above:
Les déformations des cadres montrent qu’ils se sont rompus dans un mouvement vers l’avant avec une légère composante en torsion vers la gauche.

HN39, ...
Forum: Tech Log
14th May 2011, 09:17
Replies: 2,546
Views: 937,521
Posted By Chris Scott

gums, Here in Europe on the morning after,...

gums,

Here in Europe on the morning after, looking at my previous post, I think something else needs to be said. For reasons we can easily understand, these AF447 threads have attracted a wide...
Forum: Tech Log
14th May 2011, 01:08
Replies: 2,546
Views: 937,521
Posted By Chris Scott

'Bus Drivers

Quote from gums:
P.S. I have gained more knowledge from the "bus" drivers here than I ever expected. A very impressive group of folks here.

On behalf of them: thank you, kind Sir. Just like...
Forum: Tech Log
13th May 2011, 10:06
Replies: 2,546
Views: 937,521
Posted By Chris Scott

Pour on s'amuser avant le déluge imminent...

Lemurian,

Notwithstanding JD-EE's and PJ2's slightly gloomy, if realistic, comment above, I think we should continue our speculative discussions right up to the eagerly-anticipated dénouement....
Forum: Tech Log
12th May 2011, 23:52
Replies: 2,546
Views: 937,521
Posted By Chris Scott

jcjeant, Thanks for the debris-field...

jcjeant,

Thanks for the debris-field pictures from a French forum, which seem to be much sharper than I can get from the BEA website.

Like RR_NDB, I could only follow their interpretation it...
Forum: Tech Log
12th May 2011, 23:13
Replies: 2,546
Views: 937,521
Posted By Chris Scott

Turbine_D, Thanks re possible temporary...

Turbine_D,

Thanks re possible temporary buoyancy of fan casings.

Forgive me: did we only see the state of one of the engines (absence of fan rotor + most of the guide vanes), and not the...
Forum: Tech Log
12th May 2011, 23:04
Replies: 2,546
Views: 937,521
Posted By Chris Scott

Mr Optimistic, Think we have to assume...

Mr Optimistic,

Think we have to assume that, in the conventional notation: #1 = L/H and #2 = R/H. It would be very unkind of the BEA to label them otherwise. (Even if, in Phase 4, the R/H eng had...
Forum: Tech Log
12th May 2011, 21:15
Replies: 2,546
Views: 937,521
Posted By Chris Scott

Where is the THS?

Tubby,

Since you first commented on absence of a THS label on the BEA image, I've mowed my lawns and had dinner. And still no response... The THS, one of the key players in this matter, is...
Forum: Tech Log
12th May 2011, 14:32
Replies: 2,546
Views: 937,521
Posted By Chris Scott

Gutten tag jcjeant, I am no investigator,...

Gutten tag jcjeant,

I am no investigator, but mindset is clearly not a quality associated with inspectors of accidents. You and bearfoil steadfastly peddle the notion that at the end this...
Forum: Tech Log
12th May 2011, 00:05
Replies: 2,546
Views: 937,521
Posted By Chris Scott

Machinbird is right: it is perverse to suggest...

Machinbird is right: it is perverse to suggest that the aircraft heading and track (and from them, allowing for the surface wind, the degree of sideslip) at impact are irrelevant.

It is also...
Forum: Tech Log
11th May 2011, 12:15
Replies: 2,546
Views: 937,521
Posted By Chris Scott

AAIB AIRPROX Report

HN39,

Re the AIRPROX report, I think some of us were not totally convinced by the AAIB's interpretation of the initial upset: their argument that turbulence caused a sudden increase in AoA...
Forum: Tech Log
11th May 2011, 00:49
Replies: 2,546
Views: 937,521
Posted By Chris Scott

3holelover, Yes, the BEA certainly do know....

3holelover,

Yes, the BEA certainly do know. Frustrating, isn't it?

Chris
Forum: Tech Log
11th May 2011, 00:18
Replies: 2,546
Views: 937,521
Posted By Chris Scott

Machinbird, Did someone ever come up with a...

Machinbird,

Did someone ever come up with a theory as to which engine was which in the debris field? Is it as-per takata's interpretation of the BEA image? Can I assume that you also think the...
Forum: Tech Log
10th May 2011, 14:29
Replies: 2,546
Views: 937,521
Posted By Chris Scott

Tubby, Thanks for confirming what I believe...

Tubby,

Thanks for confirming what I believe to be the case - having "never-knowingly" experienced it myself.

We don't know how subtle the onset might have been, nor if the PF would continue...
Forum: Tech Log
10th May 2011, 13:01
Replies: 2,546
Views: 937,521
Posted By Chris Scott

sensor_validation, I think you've answered...

sensor_validation,

I think you've answered your own question. Sometimes the only apparent alleyways can be frighteningly narrow, and only a mile or two off track (if you're lucky). They can also...
Forum: Tech Log
10th May 2011, 12:25
Replies: 2,546
Views: 937,521
Posted By Chris Scott

Presumptions

Quote from takata:
"I'm feeling that we are now back to the early discussions we had two years back, right after the crash."

I have some sympathy with his point, but what do we know now that we...
Forum: Tech Log
9th May 2011, 20:41
Replies: 2,546
Views: 937,521
Posted By Chris Scott

SaturnV, Tim Vasquez's paper is indeed an...

SaturnV,

Tim Vasquez's paper is indeed an impressive document. As I don't have to remind you, he did not entirely rule out the possibility of what he calls a "Warm sink" by the northern face of...
Forum: Tech Log
9th May 2011, 09:44
Replies: 2,546
Views: 937,521
Posted By Chris Scott

'Morning, sensor validation, Quote: "Sorry,...

'Morning, sensor validation,
Quote:
"Sorry, don't follow - the cabin alt is controlled at max 8000ft equivalent, this will only rise rapidly due to a breach in the pressure vessel - potentially...
Forum: Tech Log
9th May 2011, 00:19
Replies: 2,546
Views: 937,521
Posted By Chris Scott

takata, quote...

takata, quote (http://www.pprune.org/tech-log/449639-af-447-search-resume-part2-47.html#post6436897)[SIZE=2]:
AF447 - timed cases for one upset from cruise level:...
Forum: Tech Log
8th May 2011, 23:59
Replies: 2,546
Views: 937,521
Posted By Chris Scott

Back to Cabin VS...

grity, quote:
"if the bird is without any control but starts with an extrem climb mayby 60 deg, this (~balistic) path will reach a maximal high of ~12700m (full change the kinetic horizontal energie...
Forum: Tech Log
8th May 2011, 18:17
Replies: 2,546
Views: 937,521
Posted By Chris Scott

bearfoil, quote: "If the decision had been made...

bearfoil, quote:
"If the decision had been made to turn around, why not a maximum rate turn to port off the airway at some point past LKP ??"

We hope soon to have an indication from the CVR of...
Showing results 1 to 35 of 62
 
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