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Search: Posts Made By: DozyWannabe
Showing results 1 to 35 of 56
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Forum: Tech Log
12th Nov 2011, 21:48
Replies: 1,412
Views: 472,194
Posted By DozyWannabe

If you're referring to the upset control...

If you're referring to the upset control techniques and the like, you forgot "with their permission and encouragement". If by that you think it was someone else sitting in the seat of the sim...
Forum: Tech Log
12th Nov 2011, 20:01
Replies: 1,412
Views: 472,194
Posted By DozyWannabe

I'm not trying to make a point at all, just...

I'm not trying to make a point at all, just taking part in the same discussion we all are. And technically with UAS DISAGREE, *all* the PFDs were "abnormal" for a certain period, the question is to...
Forum: Tech Log
12th Nov 2011, 19:04
Replies: 1,412
Views: 472,194
Posted By DozyWannabe

They have requested anonymity, and in light of...

They have requested anonymity, and in light of the huge favours that they've done me on top of the fact that I gave my word, I'm obliged to say no.

Also, the difference between "flyer" and...
Forum: Tech Log
12th Nov 2011, 17:32
Replies: 1,412
Views: 472,194
Posted By DozyWannabe

@TTex600: It may have been a partial failure...

@TTex600:

It may have been a partial failure (i.e. loss of speed, as they would all have been getting), or if the RHS air data computer appeared to be getting dodgy pitot and static input then it...
Forum: Tech Log
3rd Nov 2011, 17:59
Replies: 1,412
Views: 472,194
Posted By DozyWannabe

In fact it was a narrowbody specification...

In fact it was a narrowbody specification originally (in 1965 - see link in previous post), but I imagine that the design quickly became a widebody with the advent of all major US manufacturers...
Forum: Tech Log
3rd Nov 2011, 17:18
Replies: 1,412
Views: 472,194
Posted By DozyWannabe

Not at all - I think I answered them pretty...

Not at all - I think I answered them pretty directly.



Well, that is fundamentally incorrect as the FCU is *not* an autopilot. It is a flight control unit and feel system which is slightly...
Forum: Tech Log
3rd Nov 2011, 14:04
Replies: 1,412
Views: 472,194
Posted By DozyWannabe

So your belief stems from a knee-jerk emotive...

So your belief stems from a knee-jerk emotive response rather than a well-reasoned one. I don't say this to denigrate what you're saying, but if this is all it's about then it's the honest truth.
...
Forum: Tech Log
3rd Nov 2011, 12:37
Replies: 1,412
Views: 472,194
Posted By DozyWannabe

@Shorrick Mk2: I believe it was someone...

@Shorrick Mk2:

I believe it was someone describing the way it *feels*, not the way it *works*. It's easy to mistake one for the other, especially given the misunderstandings as to what...
Forum: Tech Log
3rd Nov 2011, 11:44
Replies: 1,412
Views: 472,194
Posted By DozyWannabe

I've never flown anything more complex than a DHC...

I've never flown anything more complex than a DHC Chupmunk, and that was 15 years ago, not to mention heavily supervised! All opinions here are usually welcome, that's one of the reasons I like it....
Forum: Tech Log
2nd Nov 2011, 19:01
Replies: 1,412
Views: 472,194
Posted By DozyWannabe

@TTex600 I disagree completely. The...

@TTex600

I disagree completely.

The last Boeing to have directly-connected controls was the 737. Everything since (and that goes for the DC-10, L-1011, 747 and onwards in terms of US-built...
Forum: Tech Log
2nd Nov 2011, 17:38
Replies: 1,412
Views: 472,194
Posted By DozyWannabe

@SLFinAZ I don't think so - I think what he...

@SLFinAZ

I don't think so - I think what he is saying is that in a lot of cases airline management decree use of the autoflight system to the extent that manual handling tends to fall by the...
Forum: Tech Log
30th Oct 2011, 16:58
Replies: 1,412
Views: 472,194
Posted By DozyWannabe

Nah, I suspect that stage will be skipped and...

Nah, I suspect that stage will be skipped and they'll go straight to brain-mapped control, which if it keeps advancing at it's current rate will probably be plausible in about 30-50 years.
...
Forum: Tech Log
30th Oct 2011, 16:13
Replies: 1,412
Views: 472,194
Posted By DozyWannabe

I think it's far more worrying that despite...

I think it's far more worrying that despite verbally handing control to the PNF twice, the PF continued to make inputs. The concept of a single pilot in control at any given time is a fundamental...
Forum: Tech Log
30th Oct 2011, 15:24
Replies: 1,412
Views: 472,194
Posted By DozyWannabe

That's your opinion and you're as welcome to it...

That's your opinion and you're as welcome to it as anyone. Someone asked me why I brought up EAL401 a while back, and it was precisely for that reason - the initiating event that caused the...
Forum: Tech Log
30th Oct 2011, 14:51
Replies: 1,412
Views: 472,194
Posted By DozyWannabe

More room to work and less chance of bumping the...

More room to work and less chance of bumping the thing inadvertently for starters.



By clearly delineating who is in control. Because the controls are digital and decoupled from the controls...
Forum: Tech Log
27th Oct 2011, 20:36
Replies: 1,412
Views: 472,194
Posted By DozyWannabe

Stall protections (in fact all hard protections)...

Stall protections (in fact all hard protections) were gone as soon as the speed went unreliable. Alternate 2 (NO PROT) means just that.
Forum: Tech Log
24th Oct 2011, 13:35
Replies: 1,412
Views: 472,194
Posted By DozyWannabe

@Capn' Bloggs : Again, somewhere on the Tech Log...

@Capn' Bloggs : Again, somewhere on the Tech Log threads at least one Airbus FBW pilot stated that F/Os train on both sides of the flight deck, so left/right-hand orientation should not have been a...
Forum: Tech Log
20th Oct 2011, 21:08
Replies: 1,412
Views: 472,194
Posted By DozyWannabe

Your source is rather biased however, is he not? ...

Your source is rather biased however, is he not? The blog itself is called "Records of black aviation", and seems to be willing to accept any argument - however tenuous - that the aircraft must have...
Forum: Tech Log
20th Oct 2011, 18:28
Replies: 1,412
Views: 472,194
Posted By DozyWannabe

For a start, it's only the PF who says that (at...

For a start, it's only the PF who says that (at 2:11:58) - the PNF and Captain make no reference to it at all, so there was no agreement and therefore no "they".

By that point they indeed had a...
Forum: Tech Log
20th Oct 2011, 13:45
Replies: 1,412
Views: 472,194
Posted By DozyWannabe

No, no and yes. I was referring to the period...

No, no and yes. I was referring to the period *after* autoflight disconnect, but if you want to see what happens when the autoflight tries to control an aircraft with bad airspeed information, you...
Forum: Tech Log
20th Oct 2011, 11:34
Replies: 1,412
Views: 472,194
Posted By DozyWannabe

I'll give you that if you can tell me at what...

I'll give you that if you can tell me at what point the aircraft and it's systems did *anything* other than what the men at the controls told it to do.

@mm43 : On the contrary, I'm quite happy to...
Forum: Tech Log
20th Oct 2011, 07:11
Replies: 1,412
Views: 472,194
Posted By DozyWannabe

@OK465 But autopilot is now a function of...

@OK465

But autopilot is now a function of FMS rather than being an entirely separate and distinct entity, I did not say "all" A/B use Honeywell FMS either, I said that's where they are sourced.
...
Forum: Tech Log
20th Oct 2011, 01:13
Replies: 1,412
Views: 472,194
Posted By DozyWannabe

Because FMS/FMC is the correct terminology for...

Because FMS/FMC is the correct terminology for the autopilot in almost all modern airliners, and both Boeing and Airbus source theirs from Honeywell (which, incidentally, is one of the lesser known...
Forum: Tech Log
19th Oct 2011, 22:56
Replies: 1,412
Views: 472,194
Posted By DozyWannabe

I'm not so sure, not least because the traces...

I'm not so sure, not least because the traces indicate that the sidestick was *never* released - from the moment FMC disengaged until impact. The last two forward stick movements are held for...
Forum: Tech Log
19th Oct 2011, 22:20
Replies: 1,412
Views: 472,194
Posted By DozyWannabe

Franzl - it looks to me (quickly doing the maths...

Franzl - it looks to me (quickly doing the maths in my head) like the elevator trace looks like it takes THS position into account and is relative to the THS value.

The FCPC will command what it...
Forum: Tech Log
19th Oct 2011, 21:20
Replies: 1,412
Views: 472,194
Posted By DozyWannabe

So I don't see where we're diverging - stick goes...

So I don't see where we're diverging - stick goes forward and hovers around neutral, elevators go down, stick goes back (trending around 50% pitch up again), elevators come back up - and then it...
Forum: Tech Log
19th Oct 2011, 21:09
Replies: 1,412
Views: 472,194
Posted By DozyWannabe

Not at all, unless you're choosing to read it...

Not at all, unless you're choosing to read it that way. You can understand a certain defensiveness on the part of some Airbus pilots however, given the amount of unadulterated horlicks that has been...
Forum: Tech Log
19th Oct 2011, 20:04
Replies: 1,412
Views: 472,194
Posted By DozyWannabe

@HN39 - I must confess I'm a little confused. At...

@HN39 - I must confess I'm a little confused. At approx 2:10:07, the pitch attitude trace registers nose-up in response to the initial pitch-up command from the sidestick. The aircraft is at normal...
Forum: Tech Log
19th Oct 2011, 19:29
Replies: 1,412
Views: 472,194
Posted By DozyWannabe

@HN39 - It's going to take some time to respond...

@HN39 - It's going to take some time to respond from a 100% pitch-up to 50% pitch-down, as was the case during that trace.
Forum: Tech Log
19th Oct 2011, 18:57
Replies: 1,412
Views: 472,194
Posted By DozyWannabe

That's your opinion, but BA038 was never anywhere...

That's your opinion, but BA038 was never anywhere near alpha max after the FMS was taken offline and manual control established - in fact it should not have been anywhere near Alpha Max even under...
Forum: Tech Log
19th Oct 2011, 18:33
Replies: 1,412
Views: 472,194
Posted By DozyWannabe

He blips the controls forward from full...

He blips the controls forward from full back-stick to half-forward for a second, if that - there's a corresponding blip in elevator movement (which will take a second or two to respond in any case),...
Forum: Tech Log
19th Oct 2011, 16:51
Replies: 1,412
Views: 472,194
Posted By DozyWannabe

Nothing of the sort - Capt. Burkill himself says...

Nothing of the sort - Capt. Burkill himself says that all he did was raise the flaps while his F/O tried to keep the aircraft as on track as he could - no "oversteering", no disabling of the...
Forum: Tech Log
19th Oct 2011, 14:43
Replies: 1,412
Views: 472,194
Posted By DozyWannabe

How much did you pay for your PC versus your two...

How much did you pay for your PC versus your two Macs? You'll find a lot of the time it's due to volume manufacturers using cheap components, whereas Apple (as well as premium Wintel manufacturers)...
Forum: Tech Log
19th Oct 2011, 14:14
Replies: 1,412
Views: 472,194
Posted By DozyWannabe

You're right, I was forgetting that it was Alt 2...

You're right, I was forgetting that it was Alt 2 (No Prot), the soft protections would not have been active. I'll flag that in my post.

That said, even with the trim the way it was, the extreme...
Forum: Tech Log
18th Oct 2011, 16:33
Replies: 1,412
Views: 472,194
Posted By DozyWannabe

No, nor do I pretend to be (I would be if I could...

No, nor do I pretend to be (I would be if I could afford it!). But neither am I an idiot, and I make up for not having controlled an aircraft for real since my AEF Chippy days with a whole bundle of...
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