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Search: Posts Made By: ChristiaanJ
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Forum: Tech Log
19th Feb 2012, 14:24
Replies: 1,412
Views: 472,079
Posted By ChristiaanJ

HN39, Thanks for the link! Oops, another 80-odd...

HN39,
Thanks for the link! Oops, another 80-odd pages to plow through.....
The FAA tech report seems to deal with engine icing at first sight, but I'll refrain from comments until I've read it.
Forum: Tech Log
18th Feb 2012, 21:11
Replies: 1,412
Views: 472,079
Posted By ChristiaanJ

Many thanks, HN. I've skip-read it and will...

Many thanks, HN.
I've skip-read it and will read it again, even if it is not quite my field.
But at first sight, I've not seen an unequivocal requirement for re-defining the pitot tube...
Forum: Tech Log
18th Feb 2012, 17:07
Replies: 1,412
Views: 472,079
Posted By ChristiaanJ

Oh dear.... Lieman is back. I thought the...

Oh dear.... Lieman is back.

I thought the mods got rid of him and his unbased theories?
Forum: Tech Log
18th Feb 2012, 16:35
Replies: 1,412
Views: 472,079
Posted By ChristiaanJ

jcjeant, You obviously totally missed my...

jcjeant,
You obviously totally missed my point.....
Aircraft and aircraft equipment are designed, certified and manufactured in accordance with airworthiness requirements.
This also applies to...
Forum: Tech Log
17th Feb 2012, 22:51
Replies: 1,412
Views: 472,079
Posted By ChristiaanJ

HN39, thaks for the link. I haven't read all...

HN39, thaks for the link.
I haven't read all the 77 pages yet.
But... at first sight it deals with 'low-level" icing and the ATR-72 accidents, not with the problem of the certification problems of...
Forum: Tech Log
8th Feb 2012, 16:49
Replies: 1,412
Views: 472,079
Posted By ChristiaanJ

So far, there are no serious suggestions that the...

So far, there are no serious suggestions that the IR data 'went topsy-turvy', apart from a few conspiracy maniacs.

So yes, they could see the horizon... it was right in front of them on the...
Forum: Tech Log
27th Jan 2012, 23:12
Replies: 1,412
Views: 472,079
Posted By ChristiaanJ

Similarly, I seem to have remarked repeatedly on...

Similarly, I seem to have remarked repeatedly on my confusion about why the 'bicycle bell' on the pitch trim wheel has disappeared. Equally 'Jurassic'', but it did the job.
Forum: Tech Log
4th Jan 2012, 14:29
Replies: 1,412
Views: 472,079
Posted By ChristiaanJ

Are you sure about that? I'm not familiar...

Are you sure about that?

I'm not familiar enough with the FCS mode switching logic on the A330, but I would have expected the FD ENGAGED state to disappear (unlatch) on the occurrence of an ADR...
Forum: Tech Log
30th Dec 2011, 21:59
Replies: 1,412
Views: 472,079
Posted By ChristiaanJ

I knew some of the people who designed the...

I knew some of the people who designed the "Airbus computer system algorithm(s)" (I worked in the next office...). They were not 'computer nerds', I can assure you. They knew what they were doing....
Forum: Tech Log
29th Dec 2011, 20:38
Replies: 1,412
Views: 472,079
Posted By ChristiaanJ

That was merely jcjeant helping to create another...

That was merely jcjeant helping to create another urban legend.... and obviously succeeding....
Forum: Tech Log
29th Dec 2011, 16:49
Replies: 1,412
Views: 472,079
Posted By ChristiaanJ

Please don't contribute to the urban...

Please don't contribute to the urban legends......
I'm not going to read through the about 3000 'AF447' posts to check, but to the best of my memory it started off with Bonin's (the PF) wife who was...
Forum: Tech Log
19th Dec 2011, 20:06
Replies: 1,412
Views: 472,079
Posted By ChristiaanJ

I think you missed my point.... which was in...

I think you missed my point.... which was in answer to an earlier remark about pax expecting cheap tickets.
As I listed, LoCo means less legroom, no three-course meal, and boarding in the rain......
Forum: Tech Log
19th Dec 2011, 17:27
Replies: 1,412
Views: 472,079
Posted By ChristiaanJ

Mike, Only just read your post, so I want to...

Mike,
Only just read your post, so I want to catch one thought.

Don't we, and the airlines, and the pax, all of us, pay taxes to pay for an organisation (be it DGAC, FAA...) that makes sure that...
Forum: Tech Log
15th Dec 2011, 17:03
Replies: 1,412
Views: 472,079
Posted By ChristiaanJ

Nope.... Don't rely on those approximate...

Nope....
Don't rely on those approximate translations of colloquial French.
In this case, the basic notion is : "we might as well turn it on".
Forum: Tech Log
14th Dec 2011, 22:20
Replies: 1,412
Views: 472,079
Posted By ChristiaanJ

I think you're perfectly right.... The excerpts...

I think you're perfectly right....
The excerpts in 'that book' and the PM article are still that.... excerpts, evn if they seem slightly more complete than those published originally. More "leaks"...
Forum: Tech Log
3rd Nov 2011, 17:45
Replies: 1,412
Views: 472,079
Posted By ChristiaanJ

I see this has already been answered, but I would...

I see this has already been answered, but I would like to suggest that you also read the story of the A300 and A310 (neither were FBW).
IIRC (it was a long time back), "airbus" in those early days...
Forum: Tech Log
28th Oct 2011, 17:45
Replies: 1,412
Views: 472,079
Posted By ChristiaanJ

In a way, yes. UAS occurred on numerous...

In a way, yes.
UAS occurred on numerous occasions prior to AF447,yet nothing was done by the certifying authorities to update/revise the standards.

As an engineer, no, I have never had to...
Forum: Tech Log
28th Oct 2011, 16:59
Replies: 1,412
Views: 472,079
Posted By ChristiaanJ

Thanks for finally 'coming out', bearfoil, as...

Thanks for finally 'coming out', bearfoil, as being the lawyer for Goodrich.

The Goodrich probes were certified (do you undestand the notion?) to the same standards (do you know about...
Forum: Tech Log
25th Oct 2011, 12:32
Replies: 1,412
Views: 472,079
Posted By ChristiaanJ

Thanks, now corrected. Wrote that after...

Thanks, now corrected.
Wrote that after mid-night... should have checked it better.
Forum: Tech Log
24th Oct 2011, 23:19
Replies: 1,412
Views: 472,079
Posted By ChristiaanJ

My point entirely. I was just hoping to clear...

My point entirely.
I was just hoping to clear up the confusion, and avoid unnecessary posts on the subject.
There's enough confusion on other issues.... :ugh:
Forum: Tech Log
24th Oct 2011, 23:00
Replies: 1,412
Views: 472,079
Posted By ChristiaanJ

For the sake of using the same terminology, could...

For the sake of using the same terminology, could we agree to the following ?

A "deep stall" (or "locked-in stall") is the classic term for what happens to T-tailed aircraft, when AoA is such,...
Forum: Tech Log
20th Oct 2011, 21:12
Replies: 1,412
Views: 472,079
Posted By ChristiaanJ

jcjeant, Could you try to translate your post...

jcjeant,
Could you try to translate your post into English, so we might try to understand your arguments?

In a technical discussion like this, I detest having to first get my mind around what, at...
Forum: Tech Log
19th Oct 2011, 17:33
Replies: 1,412
Views: 472,079
Posted By ChristiaanJ

As an ancient engineer, and one not fully...

As an ancient engineer, and one not fully familiar with all the Airbus FCS subtleties, I hesitate to bring this up once again....

But, wasn't there a suggestion, early in one of the earliest...
Forum: Tech Log
19th Oct 2011, 16:29
Replies: 1,412
Views: 472,079
Posted By ChristiaanJ

Slightly O/T, I admit. Just to close this O/T...

Slightly O/T, I admit. Just to close this O/T subject.

I wish...

No, I was a flight test support engineer for the Concorde AFCS in the earliest days, and I got drawn back into the 'Concorde...
Forum: Tech Log
18th Oct 2011, 17:38
Replies: 1,412
Views: 472,079
Posted By ChristiaanJ

A long tale, but it's common knowledge in the...

A long tale, but it's common knowledge in the Concorde world.

Jean Franchi, one of the French Concorde test pilots, did it repeatedly, until it was spotted by a journalist, who had the common...
Forum: Tech Log
18th Oct 2011, 14:50
Replies: 1,412
Views: 472,079
Posted By ChristiaanJ

Dozy and CONF, Concorde was an FBW aircraft...

Dozy and CONF,

Concorde was an FBW aircraft (although an earlier generation), and could be and has been barrel-rolled repeatedly.

Unfortunately there is no video....
Forum: Tech Log
17th Oct 2011, 16:31
Replies: 1,412
Views: 472,079
Posted By ChristiaanJ

Quoting the "Habsheim Clown" in this context is...

Quoting the "Habsheim Clown" in this context is enough to get you discredited wih the few remaining people here that try to come up with valid (and occasionally valuable) comments. Keep it up.
Showing results 1 to 27 of 27


 
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