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Qantas A330 Emergency Landing in Learmonth

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Qantas A330 Emergency Landing in Learmonth

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Old 7th Oct 2008, 11:33
  #41 (permalink)  
 
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Not CAT?

Everyone assumes it's CAT (as did I). I was bothered by the QF statements of an "upset". I would've thought that spin doctors would've been shouting CAT from the highest mountains, in light of their recent media drubbing. Then this from the police spokesman

Mr O'Callaghan said he understood the incident was caused by "some sort of systems failure".

from here
Dozens injured in Qantas mid-air incident - News - Travel - theage.com.au
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Old 7th Oct 2008, 11:54
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Good Job

What ever the cause (speculation by armchair/sim pilots aside) I say well done to the flight and cabin crew for getting the aircraft down in one piece.

Still they were flying an Airbus, you know that French built junk
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Old 7th Oct 2008, 11:59
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The Truth

A mechanical problem rendering control of the aircraft "difficult"
Outstanding airmanship prevented a possible disaster.
The word "difficult"is not mine.It was used in a conversation bewtween two company spin doctors.
An understatement if ever there was one.
No more from me
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Old 7th Oct 2008, 12:14
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Sorry unless there was multiple inflight failures of redundant computers which basically never fail then a flight control induced overg is not possible on the 330.
With loadfactor controlled automatically to +2.5 through to -1G in the clean config it will only be a CAT encounter which can generate such large and massive loads that will throw people around the cabin.
Great job by the crew and excellent decision on diversion destination by the tech crew.
Just glad i wasnt steering that one today...
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Old 7th Oct 2008, 12:17
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Or somebody moved something in the cockpit to cause the whole thing in the first place. It happened on an American Airbus going into Miami years ago with a similar result.
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Old 7th Oct 2008, 12:30
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Sorry Kangaroo there is "NOTHING" you can accidently move on the A330 flightdeck that will permit you to exceed these limits.
Read my lips "NOTHING"..
Oh and AMerican operate the A300 not the A330..totally different aircraft..
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Old 7th Oct 2008, 12:50
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Exactly A380..not likely the boys/girls are going to be turning off any multiples of three prims two or three adr's by accident...
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Old 7th Oct 2008, 13:08
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Sorry Kangaroo there is "NOTHING" you can accidently move on the A330 flightdeck that will permit you to exceed these limits.
Read my lips "NOTHING".
Sorry: don't agree. Have you tried turning the HYD pumps off?

SQ did it over Oz quite a few years ago with what sounds like a similar result.

They were trying to balance up the fuel. That's why the HYD pump switches are now guarded (they werent then).
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Old 7th Oct 2008, 13:14
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So Jed your saying the crew accidently turned off 4 guarded Hyd systems...
Let me think about that for .1 of a second..
Did you need read the part about accidently?
Oh if you dont fly bus ALL guarded switches must be confirmed prior to operation..so we are now saying that the crew did that 4 times confirmed by two crew members....mmmmmmm..
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Old 7th Oct 2008, 13:24
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Fair enough about the American Airlines reference, which I think had more to do with suddenly deploying and stowing speed brakes at high altitude after spilling a meal tray, but all we can say is that the event here is highly unusual.
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Old 7th Oct 2008, 14:08
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At the end of the day as per normal people start saying rubbish about the crew involved...this looks for all purposes like a straight forward CAT encounter.
Words overheard by WA police about a systems failure on one of the safest aircraft in world service by people who have not the slightest idea about this aircraft or the incident for that matter.
Sorry but the crew acted at this stage it seems in a highly professional manner dealing with a nasty incident that hopefully i will never have to face.
So how bout we say well done to the crew...rather than make what appear to be rumour based on crap attacking them based on no knowledge what so ever...
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Old 7th Oct 2008, 15:15
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Ramjager...
Your post interests me. Are you a QF spin doctor? Your post smacks of it. I haven't seen many posts bagging the crew.
On one hand, you berate people for speculation...
rather than make what appear to be rumour based on crap attacking them based on no knowledge what so ever...
, yet you make exactly the same observation
this looks for all purposes like a straight forward CAT encounter.
Do you have any information to suggest your hypothesis, other than your opinion?
There have been any number of system-based incidents resulting in "upsets" around the world, and I even recall an incident with an ANZ aircraft mid-ocean which flew thru a cold front; instant pressure change left the FMS thinking it was suddenly at the wrong altitude (or was it an overspeed?), suddenly tried to recapture the cleared level (or correct speed by climbing), traffic conflict, TCAS RA, crew overide, upset ensued, can't remember injuries etc. So there doesnt even have to be a malfunction- just a set of circumstances hitherto unencountered. Trying to deflect any idea that this might not have been CAT just looks like spinning.

The most obvious thing to me is that the spin doctors would've been telling all and sundry it was CAT, very loudly, thereby instantly turning this into positive press (great job by the crew etc). It's what isn't being said that speaks volumes.* Lets face it, QF doesnt need another maintenance/reliability issue right now (or does it???). It certainly doesnt need the press that would ensue (unless it resulted in some chickens coming home to roost on certain people).

*no axe to grind- just don't like it when people who think they are clever try to mislead (spin doctors are lower than lawyers, IMHO).
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Old 7th Oct 2008, 18:24
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Having seen the damage first hand, I feel the whole Crew deserve medals the size of frying pans, Well Done !!!!.
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Old 7th Oct 2008, 19:10
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It didn't fall, it plummeted. Ten thousand feet in 8 seconds or similar is what we'll hear.
Hahaha, now that would be something. 75,000 feet per minute rate of descent!! Sounds more like re-entry than a descent.
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Old 7th Oct 2008, 19:18
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On one of the National News (cant remember which one) a passenger said they dropped 8,000ft.

Don't believe that, and how would he know exactly how much they dropped.
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Old 7th Oct 2008, 20:49
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Qantas proceedures are that cabin crew will be seated and service stops
if turbulence is encountered and the seatbelt signs are turned on.
This leads to a reluctance to actually turn the seatbelt signs on.
Most airlines allow the cabin crew to continue service with the seat belt
signs on, the cabin crew are exposed but at least the pax are secured.

Perhaps the mighty red rat should consider their world's safest airline
proceedures in this area.
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Old 7th Oct 2008, 20:58
  #57 (permalink)  
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Don't believe that, and how would he know exactly how much they dropped.
Maybe they worked it out from the moving map on the IFE?
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Old 7th Oct 2008, 21:02
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I don't fly aircraft I fix them so can some tech crew answer a few questions.

Would a CAT encounter lead to a Mayday call?

If the CAT lasted a few seconds and then aircraft stabilized (assuming not enough time yet to call the mayday) would they call Mayday because they had injured pax on board?

Is CAT of the nature that could have caused this incident often followed by another incident shortly after?
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Old 7th Oct 2008, 21:41
  #59 (permalink)  
 
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Of course they "dropped"! The guys would have descended to get out of the CAT area!

Every time I read this board I just shake my head and wonder at the ignorance of some people.

And Ferris? Possibly, just possibly, Ram might know what he is talking about. I don't fly the -330, I'm a bit of a Boeing man, but he seems to know what he is saying. You on the other hand, seem like an "anti-QF spin doctor".

The ATSB will decide, wont they?

Maybe everyone should just chill a tad. Jeezus.
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Old 7th Oct 2008, 22:28
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fordran,Mayday = "Grave & imminent danger" so it would be safe to assume structural (or "suspected" structure) damage.
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