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Search: Posts Made By: DozyWannabe
Showing results 1 to 35 of 92
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Forum: Tech Log
5th Apr 2012, 20:00
Replies: 1,353
Views: 298,880
Posted By DozyWannabe

Well, in which case I'd say the sim configuration...

Well, in which case I'd say the sim configuration must have been slightly off - would you have a chance to re-run your experiment in the not too distant future? Alas mine was very much a one-off.
Forum: Tech Log
5th Apr 2012, 18:57
Replies: 1,353
Views: 298,880
Posted By DozyWannabe

As effective PF during our experiments, I was...

As effective PF during our experiments, I was relying on the TRE to watch ECAM as my concentration was 100% on the PFD, SS and trim wheel. I'd be impressed if you could read ECAM while trying to...
Forum: Tech Log
5th Apr 2012, 14:05
Replies: 1,353
Views: 298,880
Posted By DozyWannabe

CONF's experience sounds like he ended up in...

CONF's experience sounds like he ended up in Direct Law or Abnormal Attitude, as Alternate in any mode should still have autotrim enabled.
Forum: Tech Log
4th Apr 2012, 20:06
Replies: 1,353
Views: 298,880
Posted By DozyWannabe

They're on the last pages of the previous thread...

They're on the last pages of the previous thread and the first pages of this one.
Forum: Tech Log
31st Mar 2012, 18:42
Replies: 1,353
Views: 298,880
Posted By DozyWannabe

Lyman - read what I'm saying. In MANAGED mode,...

Lyman - read what I'm saying. In MANAGED mode, the corrections applied by the autoflight system are displayed in the SELECT window of the FCU panel. I want to make clear at this point that we're...
Forum: Tech Log
31st Mar 2012, 18:18
Replies: 1,353
Views: 298,880
Posted By DozyWannabe

Having now spent time in an A320 simulator, I can...

Having now spent time in an A320 simulator, I can tell you that in MANAGED mode, the corrections applied by the autopilot are displayed in that window. "-5000" appears, but only for a fraction of a...
Forum: Tech Log
31st Mar 2012, 17:13
Replies: 1,353
Views: 298,880
Posted By DozyWannabe

I'm well aware of that, I was just making the...

I'm well aware of that, I was just making the point that Lyman's insinuation that the non-release of raw FDR data to the public and/or the crew/family lawyers was equivalent to the prosecution...
Forum: Tech Log
31st Mar 2012, 16:35
Replies: 1,353
Views: 298,880
Posted By DozyWannabe

Not really, because you just cross-check with the...

Not really, because you just cross-check with the altimeter, and as long as it's not unwinding drastically, you rationalise the V/S display as a turbulence-related blip.



Difficult, yes - but...
Forum: Tech Log
31st Mar 2012, 16:03
Replies: 1,353
Views: 298,880
Posted By DozyWannabe

Yeah, but you can't design airliner safety...

Yeah, but you can't design airliner safety concepts around the assumption that the pilots will be "really good". Average ability must be assumed, alongside failsafes to catch pilots having a "below...
Forum: Tech Log
31st Mar 2012, 14:44
Replies: 1,353
Views: 298,880
Posted By DozyWannabe

Why do you say that? I don't scoff at the idea...

Why do you say that? I don't scoff at the idea that pilots should have a feel for the aircraft in the slightest, I just don't agree with the idea that the Airbus FBW control design makes that...
Forum: Tech Log
31st Mar 2012, 02:29
Replies: 1,353
Views: 298,880
Posted By DozyWannabe

Mr. Optimistic: Other way round - the PF was...

Mr. Optimistic:

Other way round - the PF was in the RHS on this occasion. I'm not fully understanding your point either - the aircraft's systems told them that they were approaching stall, and...
Forum: Tech Log
31st Mar 2012, 01:04
Replies: 1,353
Views: 298,880
Posted By DozyWannabe

@PJ2 - not sure where your post's gone, but... ...

@PJ2 - not sure where your post's gone, but...

Going back to my notes, it took about 16-18,000ft to recover the way we did it. My writeups are on the last page of thread 6 and the first page of...
Forum: Tech Log
30th Mar 2012, 23:52
Replies: 1,353
Views: 298,880
Posted By DozyWannabe

You know what I meant - the aircraft's systems...

You know what I meant - the aircraft's systems will no longer prevent a pilot from exceeding it outside of Normal Law. ;)
Forum: Tech Log
30th Mar 2012, 22:48
Replies: 1,353
Views: 298,880
Posted By DozyWannabe

That G limitation only applies in Normal Law...

That G limitation only applies in Normal Law however. Once you're in Alternate, roll is direct and the calculations can no longer be applied to limit the maneouvre.

@HN39

While you're right...
Forum: Tech Log
30th Mar 2012, 19:33
Replies: 1,353
Views: 298,880
Posted By DozyWannabe

In the A320 sim it was actually relatively...

In the A320 sim it was actually relatively speedy. You could probably physically move the wheel faster manually, but I suspect the servos moving the THS would take roughly the same amount of time in...
Forum: Tech Log
29th Mar 2012, 20:53
Replies: 1,353
Views: 298,880
Posted By DozyWannabe

The hamster has also noted that a certain...

The hamster has also noted that a certain contributor is still swearing blind that the climb was uncommanded, despite all evidence to the contrary, and the hamster is heartily sick of it.
Forum: Tech Log
29th Mar 2012, 12:55
Replies: 1,353
Views: 298,880
Posted By DozyWannabe

On both sides?

On both sides?
Forum: Tech Log
29th Mar 2012, 10:50
Replies: 1,353
Views: 298,880
Posted By DozyWannabe

Thanks, RRR - thanks guys. Although I must...

Thanks, RRR - thanks guys. Although I must confess that I thought we'd be talking about something different by now and that the hamster would be having a snooze until the final report appears.


...
Forum: Tech Log
29th Mar 2012, 01:03
Replies: 1,353
Views: 298,880
Posted By DozyWannabe

Heavens to Betsy, is this still going on? ...

Heavens to Betsy, is this still going on?



Yes it is. When talking about average positions over time the inputs were *overwhelmingly* NU.



Yes - in response to the stall. Speed decays,...
Forum: Tech Log
27th Dec 2011, 18:01
Replies: 1,353
Views: 298,880
Posted By DozyWannabe

Absolutely - maybe I should have clarified by...

Absolutely - maybe I should have clarified by prefixing "among other things", chief among which is the fact that the flight path is consistent in every simulation the BEA has run with the vertical...
Forum: Tech Log
26th Dec 2011, 21:09
Replies: 1,353
Views: 298,880
Posted By DozyWannabe

Not exactly - the vertical stabiliser separated...

Not exactly - the vertical stabiliser separated inflight... *only* after being subjected to stresses beyond the Ultimate Design Load of the structure.



Neither cracks nor the repair to that...
Forum: Tech Log
23rd Dec 2011, 14:40
Replies: 1,353
Views: 298,880
Posted By DozyWannabe

Alternatively, the final touchdown resulted in a...

Alternatively, the final touchdown resulted in a natural switch from lateral movements to pitch - keeping the nose down by pushing forward. I know I'm a critic of the "No pilot would ever..."...
Forum: Tech Log
22nd Dec 2011, 17:17
Replies: 1,353
Views: 298,880
Posted By DozyWannabe

"We ask you to please remain seated as Captain...

"We ask you to please remain seated as Captain Kangaroo bounces us to the terminal."
Forum: Tech Log
20th Dec 2011, 20:28
Replies: 1,353
Views: 298,880
Posted By DozyWannabe

I don't know if "forgot" is the right word. No...

I don't know if "forgot" is the right word. No matter how incorrect the pitch inputs were they were very positive, and way in excess of what should be expected at that altitude.

Even with...
Forum: Tech Log
15th Dec 2011, 22:08
Replies: 1,353
Views: 298,880
Posted By DozyWannabe

Rubbish. The aircraft is already a success and...

Rubbish. The aircraft is already a success and the worst they'd face is a few million in repairs - it's not like the whole concept is unproven as the case was in 1988.
Forum: Tech Log
15th Dec 2011, 16:58
Replies: 1,353
Views: 298,880
Posted By DozyWannabe

@CJ : No point wasting your breath (or...

@CJ :

No point wasting your breath (or fingers), he's long since stopped taking any notice of anyone saying anything that does not fit his theory, and cherry-picking bits from other posts that he...
Forum: Tech Log
14th Dec 2011, 15:18
Replies: 1,353
Views: 298,880
Posted By DozyWannabe

Lyman, you're going so far off the deep end by...

Lyman, you're going so far off the deep end by coming up with these ever more elaborate excuses as to how it must have been the aircraft's fault that you have now officially transited the boundaries...
Forum: Tech Log
12th Dec 2011, 11:08
Replies: 1,353
Views: 298,880
Posted By DozyWannabe

We'd need someone more qualified to confirm, but...

We'd need someone more qualified to confirm, but moderate turbulence by any definition should not be enough to take out autopilot/autothrust and I don't think it did in this case.

The climb was...
Forum: Tech Log
11th Dec 2011, 17:42
Replies: 1,353
Views: 298,880
Posted By DozyWannabe

That's our Lyman! (ba-dum-tish!) In all...

That's our Lyman! (ba-dum-tish!)

In all seriousness though, what Lyman is not taking into account is the time factor of the calcuations for those readings and traces. One of the things I noticed...
Forum: Tech Log
9th Dec 2011, 00:28
Replies: 1,353
Views: 298,880
Posted By DozyWannabe

Hmm - if work lets up I might have a play with...

Hmm - if work lets up I might have a play with that JavaScript, see if I can't tart it up a little. :)

So - based on mm43's web graphic we have:
The pitch attitude *bang on zero* at disconnect
...
Forum: Tech Log
27th Nov 2011, 19:15
Replies: 1,353
Views: 298,880
Posted By DozyWannabe

No Lyman, the nose was on the way *back up* when...

No Lyman, the nose was on the way *back up* when the A/P disconnects. The PF may have *seen* the brief turbulence induced nose-low attitude and might have been trying to correct for it but there was...
Forum: Tech Log
27th Nov 2011, 18:34
Replies: 1,353
Views: 298,880
Posted By DozyWannabe

It depends on your definition of "climb" - it...

It depends on your definition of "climb" - it looks like the tail-end of a small pitch correction due to turbulence that would have ended maybe a second later than it did due to A/P disconnect - the...
Forum: Tech Log
27th Nov 2011, 17:36
Replies: 1,353
Views: 298,880
Posted By DozyWannabe

The other explanation is adrenalin. The "startle...

The other explanation is adrenalin. The "startle response" is quickly gaining currency as the biggest potential killer in line flying. With Colgan 3407 you have two tired pilots, one of whom is...
Forum: Tech Log
27th Nov 2011, 13:27
Replies: 1,353
Views: 298,880
Posted By DozyWannabe

@mm43 That's fair enough, but I don't see...

@mm43

That's fair enough, but I don't see how that contradicts what the BEA are saying about UAS being the reason for autopilot disconnect as opposed to turbulence. Even if that is disregarded...
Forum: Tech Log
27th Nov 2011, 04:09
Replies: 1,353
Views: 298,880
Posted By DozyWannabe

mm43's graphs are from a different page than...

mm43's graphs are from a different page than mine, and have had more editing done to them, but for whatever reason, unless i'm reading the graph completely wrong, the pitch attitude only dropped...
Showing results 1 to 35 of 92
 
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