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6th Sep 2011, 18:34
Replies: 17
Views: 3,472
Posted By PA 18 151

Got invited to interview at ULAS back when I was...

Got invited to interview at ULAS back when I was a medical student and I got to the stage were I was given a choice.

1) Become a doctor in NHS
2) Become a pilot in RAF

I chose 1) and was told...
19th Aug 2011, 15:55
Replies: 20
Views: 3,316
Posted By PA 18 151

Highest tier in United's butt-in-seat mileage...

Highest tier in United's butt-in-seat mileage scheme. You need to fly 100,000 miles in a year, or something like 120 sectors. Used to be extremely good indeed in times gone by. Made it once, they...
Forum: Tech Log
31st Jul 2011, 16:28
Replies: 1,998
Views: 509,535
Posted By PA 18 151

Don't agree on that single point. The PF...

Don't agree on that single point.

The PF said he didn't have control of the plane. In fact he had full control of the plane, he was just a muppet.

Captain turns up, PF says aircraft out of...
Forum: Tech Log
9th Jul 2011, 07:04
Replies: 1,069
Views: 280,046
Posted By PA 18 151

My guess is that the PF confused them. He...

My guess is that the PF confused them.

He didn't realise his sidestick input had caused the initial upset. During this time the PNF had his head down and the captain was in the bunk. Neither...
Forum: Tech Log
8th Jul 2011, 12:01
Replies: 1,069
Views: 280,046
Posted By PA 18 151

A33Zab, Great contributions :ok: If ALT...

A33Zab,

Great contributions :ok:

If ALT 2 had latched, which appears to be the case, would that prevent a further change to Abnormal Attitude Law?
Forum: Tech Log
8th Jul 2011, 11:29
Replies: 1,069
Views: 280,046
Posted By PA 18 151

Very simply. The nose down inputs were...

Very simply.

The nose down inputs were transient. They were not of sufficient size/duration to cause the THS to move.

One of many 'pitys'. It's an complex and interesting human factors...
Forum: Tech Log
8th Jul 2011, 10:02
Replies: 1,069
Views: 280,046
Posted By PA 18 151

Re: Asking what would the the second thing to do...

Re: Asking what would the the second thing to do after looking at AoA value when hearing STALL STALL.



Nope :). So you have your AoA value, lets say it's Seven.

If that's the first thing...
Forum: Tech Log
7th Jul 2011, 15:57
Replies: 1,069
Views: 280,046
Posted By PA 18 151

And what would be the next thing you would do?

And what would be the next thing you would do?
Forum: Tech Log
5th Jul 2011, 17:19
Replies: 1,069
Views: 280,046
Posted By PA 18 151

Like a stall warning perhaps?From the Evidence...

Like a stall warning perhaps?From the Evidence (fact)



At 2 h 10 min 51, the stall warning was triggered again........

The aircraft appeared to do exactly the sort of thing you are saying...
Forum: Tech Log
5th Jul 2011, 09:08
Replies: 1,069
Views: 280,046
Posted By PA 18 151

I'm not sure you can say that (and this one of...

I'm not sure you can say that (and this one of the very few things you have said that I disagree with).

From the evidence:

The PNF at least very quickly realised what was going on, a matter of...
Forum: Tech Log
3rd Jul 2011, 11:31
Replies: 1,069
Views: 280,046
Posted By PA 18 151

Spot on. The question jcjeant should really...

Spot on.

The question jcjeant should really be asking is why was the PF trying to use aileron to counter wing drop.
Forum: Tech Log
2nd Jul 2011, 16:34
Replies: 1,069
Views: 280,046
Posted By PA 18 151

No I'm not. I'm giving an example of two...

No I'm not. I'm giving an example of two milestone events and the time between. My intention was to demonstrate that the crew were quickly aware of the critical 'need to know' information within...
Forum: Tech Log
2nd Jul 2011, 12:16
Replies: 1,069
Views: 280,046
Posted By PA 18 151

And usually two pilots. Clever engineering,...

And usually two pilots.

Clever engineering, risk assessment and mitigation.

Pitot tubes are here for the foreseeable future and the public demand for air travel requires flight into known...
Forum: Tech Log
2nd Jul 2011, 10:57
Replies: 1,069
Views: 280,046
Posted By PA 18 151

Absolutely. And the evidence released by the BEA...

Absolutely. And the evidence released by the BEA says the time between autopilot disconnect and recognition by the crew ("lost the speeds/alternate law") was 9 seconds.

9 seconds is pretty quick,...
Forum: Tech Log
1st Jul 2011, 08:01
Replies: 1,069
Views: 280,046
Posted By PA 18 151

Now that is a very good find indeed. From the...

Now that is a very good find indeed. From the Full Narrative:
The crew received a master warning and master caution alert, and the autopilot (AP), autothrust (ATH) and flight directors...
Forum: Tech Log
29th Jun 2011, 11:49
Replies: 1,069
Views: 280,046
Posted By PA 18 151

The wings still work the same on your airbus and...

The wings still work the same on your airbus and your spamcan.Disproportionately high, or disproportionately low?
Forum: Tech Log
26th Jun 2011, 14:42
Replies: 1,069
Views: 280,046
Posted By PA 18 151

BOAC, My comment was to AlphaZuluRomeo wrt...

BOAC,

My comment was to AlphaZuluRomeo wrt ALT 2 being latched and letting the pilots take over from there.

But if you don't think all crew could manage this event then why are you so...
Forum: Tech Log
26th Jun 2011, 12:55
Replies: 1,069
Views: 280,046
Posted By PA 18 151

Hi AlphaZuluRomeo, Yes I think that is a...

Hi AlphaZuluRomeo,

Yes I think that is a good explanation for why ALT 2 should be latched. I suspect Airbus should take a look at this again and I am sure they are doing so. Icing conditions are...
Forum: Tech Log
26th Jun 2011, 10:38
Replies: 1,069
Views: 280,046
Posted By PA 18 151

Hi Hazelnuts, Yes, it used polled value,...

Hi Hazelnuts,

Yes, it used polled value, explained by BEA (Interim Report 2) my italics:Like the FMGECs, the PRIMs consolidate the parameters that they use by means of monitoring mechanisms....
Forum: Tech Log
26th Jun 2011, 09:59
Replies: 1,069
Views: 280,046
Posted By PA 18 151

Thanks for reply. I should have quoted the...

Thanks for reply. I should have quoted the report, I was referring to the reported fact that the speeds became consistent during the descent (as to be expected once the icing conditions had been...
Forum: Tech Log
26th Jun 2011, 07:16
Replies: 1,069
Views: 280,046
Posted By PA 18 151

How an aircraft aerodynamically moves though the...

How an aircraft aerodynamically moves though the airmass is essentially an engineering problem which is very well understood. Computers solve these engineering problems very well, better than...
Forum: Tech Log
21st Jun 2011, 06:01
Replies: 1,069
Views: 280,046
Posted By PA 18 151

Absolutely 100% spot on. If when something...

Absolutely 100% spot on.

If when something unusual happens (figures plucked out of the air for effect)

the plane is 99.99999% reliable
SOPS are 99.9% reliable
A captain 98 % reliable
A first...
Forum: Tech Log
16th Jun 2011, 07:33
Replies: 1,069
Views: 280,046
Posted By PA 18 151

This is simple stuff, you use your remaining...

This is simple stuff, you use your remaining instruments and return to basics: use pitch and power. And you certainly do not continue pulling. Scary stuff,. You don't use the stall warning to...
Forum: Tech Log
10th Jun 2011, 14:09
Replies: 2,070
Views: 612,795
Posted By PA 18 151

The failures seemed remarkably graceful ...

The failures seemed remarkably graceful

Until somebody pulled back on the stick

And held it there

And even then the aircraft, which was essentially flying in the blind, tried to help out as...
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