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Search: Posts Made By: DozyWannabe
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Forum: Tech Log
27th Mar 2013, 00:12
Replies: 183
Views: 74,621
Posted By DozyWannabe

More to the point, what in the name of Hades did...

More to the point, what in the name of Hades did that Captain think he was doing pulling full aft while trying to turn off the PRIMs?

That said - the lack of proper training for flight crew in...
Forum: Tech Log
18th Jan 2013, 12:35
Replies: 183
Views: 74,621
Posted By DozyWannabe

Don't see it myself - what's in one (that was...

Don't see it myself - what's in one (that was available) that's not in the other?
Forum: Tech Log
10th Jan 2013, 23:00
Replies: 183
Views: 74,621
Posted By DozyWannabe

I don't mean to kvetch, but wouldn't that be more...

I don't mean to kvetch, but wouldn't that be more appropriate in the thread about AF447? This thread's about a completely different incident.

Incidentally, it looks like there's a bug in the...
Forum: Tech Log
10th Jan 2013, 01:59
Replies: 183
Views: 74,621
Posted By DozyWannabe

And to allow pilots to command manoeuvres up to...

And to allow pilots to command manoeuvres up to the physical limits of the flight envelope without worrying about falling out of the sky, but that doesn't get brought up as often.



It might not...
Forum: Tech Log
9th Jan 2013, 22:22
Replies: 183
Views: 74,621
Posted By DozyWannabe

Seeing as how the protections are supposed to...

Seeing as how the protections are supposed to keep the aircraft within the safe flight envelope, the restoration of the correct values should technically result in a return to straight-and-level, as...
Forum: Tech Log
1st Jan 2013, 15:11
Replies: 183
Views: 74,621
Posted By DozyWannabe

I'm pretty sure the XL (Perpignan) A320 went into...

I'm pretty sure the XL (Perpignan) A320 went into Direct Law before it crashed.



As I said, I wasn't making a direct comparison in terms of the scenario, I was simply enumerating incidents and...
Forum: Tech Log
31st Dec 2012, 16:35
Replies: 183
Views: 74,621
Posted By DozyWannabe

As yet there have been no criminal or civil...

As yet there have been no criminal or civil proceedings regarding AF447, and thus no attempt to distill the contents of the BEA report (which covers all the potential causes including the Thales AA...
Forum: Tech Log
31st Dec 2012, 15:38
Replies: 183
Views: 74,621
Posted By DozyWannabe

It's a question of systems safety. The aircraft...

It's a question of systems safety. The aircraft were originally certified with the Goodrich pitot tubes fitted - there has never been a triple failure with this setup. The Thales option was...
Forum: Tech Log
31st Dec 2012, 15:10
Replies: 183
Views: 74,621
Posted By DozyWannabe

@Lyman - It was a general reference to historical...

@Lyman - It was a general reference to historical pitot tube blockage-related problems, not a specific comparison to the Thales AA issue.

@jcj - The problems we're talking about are not the...
Forum: Tech Log
31st Dec 2012, 14:48
Replies: 183
Views: 74,621
Posted By DozyWannabe

The Thales AA pitot tubes at the root of the...

The Thales AA pitot tubes at the root of the problems that led up to AF447 were an optional fit that was only available from the end of the '90s. Prior to that the only units fitted were the...
Forum: Tech Log
30th Dec 2012, 22:19
Replies: 183
Views: 74,621
Posted By DozyWannabe

Just popping in to clarify that the "twitchy"...

Just popping in to clarify that the "twitchy" comment was not made regarding AF447, it was made by a single poster once on one of the early 447 threads and was neither supported nor refuted by anyone...
Forum: Tech Log
29th Dec 2012, 21:25
Replies: 183
Views: 74,621
Posted By DozyWannabe

@SLFandProud - Come on, let's not get into...

@SLFandProud - Come on, let's not get into another argument on that again - he's said his peace, best leave it be.
Forum: Tech Log
29th Dec 2012, 20:51
Replies: 183
Views: 74,621
Posted By DozyWannabe

It was a major tragedy that Gordon Corps (who was...

It was a major tragedy that Gordon Corps (who was the real engineering pilot behind Airbus FBW) died when he did, not only because he was the public counterbalance to BZ's flights of fancy, but also...
Forum: Tech Log
23rd Dec 2012, 02:18
Replies: 183
Views: 74,621
Posted By DozyWannabe

I'm only repeating what I've been told and have...

I'm only repeating what I've been told and have read over the years regarding translation of Airbus documents.

As for honesty, intellectual or otherwise, I'm not the one trying to present what is...
Forum: Tech Log
22nd Dec 2012, 15:39
Replies: 183
Views: 74,621
Posted By DozyWannabe

CONF iture, I'm simply applying fairness and...

CONF iture, I'm simply applying fairness and reason - I'm not the kind to get emotionally invested in aircraft (well - except maybe Concorde and the VC10 ;) ).

Also, as far as I know Airbus...
Forum: Tech Log
22nd Dec 2012, 03:30
Replies: 183
Views: 74,621
Posted By DozyWannabe

With equal respect, such an opinion can only be...

With equal respect, such an opinion can only be advanced if one believes that the design of the system was predicated on limiting human involvement in flying the aircraft. While it seems to be a...
Forum: Tech Log
22nd Dec 2012, 02:47
Replies: 183
Views: 74,621
Posted By DozyWannabe

The airframes and mods affected are explicitly...

The airframes and mods affected are explicitly listed in the EAD. It only takes a little research to realise that this mod is very recent - being applied from earlier this year. The after-market...
Forum: Tech Log
21st Dec 2012, 16:27
Replies: 183
Views: 74,621
Posted By DozyWannabe

There were a lot more airframes in the AF fleet...

There were a lot more airframes in the AF fleet alone with the Thales AA probes than there are airframes in the worldwide fleet with these AoA vane modifications. I suspect the AD will be...
Forum: Tech Log
21st Dec 2012, 16:16
Replies: 183
Views: 74,621
Posted By DozyWannabe

The AoA in Normal Law will be held just short of...

The AoA in Normal Law will be held just short of Alpha Max if Alpha Prot is triggered. An increase in Mach will cause the Alpha Max to decrease - and the pitch angle will follow, but it would be a...
Forum: Tech Log
20th Dec 2012, 17:52
Replies: 183
Views: 74,621
Posted By DozyWannabe

Being an EAD bulletin, it's likely that the...

Being an EAD bulletin, it's likely that the incident report is still in progress. I did have a hunt online, but nothing as yet. There are a couple of stories on Flight, but some are subscriber-only.
Forum: Tech Log
20th Dec 2012, 16:51
Replies: 183
Views: 74,621
Posted By DozyWannabe

jcj - the EAD applies specifically to the...

jcj - the EAD applies specifically to the modified AoA vanes only. The modified AoA vanes are the only type to have suffered a triple failure. Airbus didn't have procedures for triple failure prior...
Forum: Tech Log
20th Dec 2012, 15:07
Replies: 183
Views: 74,621
Posted By DozyWannabe

jcj - I think you're reading a different meaning...

jcj - I think you're reading a different meaning into my words than I intended. This problem is a new one that seems to have arisen with a recent modification to the AoA vanes, intending to solve...
Forum: Tech Log
20th Dec 2012, 14:14
Replies: 183
Views: 74,621
Posted By DozyWannabe

Firstly, remember that FBW and automation are two...

Firstly, remember that FBW and automation are two different things. Non-FBW aircraft such as the B757 (Birgenair) and B767 (Lauda Air) have been lost when bad data was supplied to the automation.
...
Forum: Tech Log
20th Dec 2012, 01:59
Replies: 183
Views: 74,621
Posted By DozyWannabe

Bad data messing with autoflight is certainly not...

Bad data messing with autoflight is certainly not Airbus-specific. With Airbus FBW, the protections do not "take over", they limit and constrain attitude.



Read what I wrote - this incident...
Forum: Tech Log
19th Dec 2012, 21:28
Replies: 183
Views: 74,621
Posted By DozyWannabe

It would appear that beefing up redundancy in...

It would appear that beefing up redundancy in terms of electrical actuation (and relying more on electrical actuation as a result) is an industry-wide trend.
Forum: Tech Log
19th Dec 2012, 21:06
Replies: 183
Views: 74,621
Posted By DozyWannabe

It's reasonable to presume this is the first...

It's reasonable to presume this is the first incident of this type, as the AoA probes referenced are a new fit item. As such no procedure existed prior (nor was there any need for it).
Forum: Tech Log
19th Dec 2012, 20:48
Replies: 183
Views: 74,621
Posted By DozyWannabe

@Kimon The manual trim control on the most...

@Kimon

The manual trim control on the most recent Airbus types has been moved to a switch on the sidestick, in the manner of the 744.
Forum: Tech Log
19th Dec 2012, 20:05
Replies: 183
Views: 74,621
Posted By DozyWannabe

@Kimon: They may be electrically actuated,...

@Kimon:

They may be electrically actuated, but the trim wheels are still there on this photo of an A346 flight deck (either side of the thrust levers):
...
Showing results 1 to 28 of 28


 
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