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Search: Posts Made By: Ian W
Showing results 1 to 21 of 21
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Forum: Tech Log
20th Sep 2011, 11:02
Replies: 1,688
Views: 406,061
Posted By Ian W

Whats that horn noise

If you read my original post I proposed that you watched the YouTube video of the three crew in a landing aircraft not noticing the undercarriage up warning horn. Landing with undercarriage up is...
Forum: Tech Log
17th Sep 2011, 16:07
Replies: 1,688
Views: 406,061
Posted By Ian W

Cognitive Channel

Clandestino


Clandestino it is not a stretch at all - and I am sure I could make you react in a similar way in a simulator where you 'totally fail to notice' something that is obvious to an...
Forum: Tech Log
13th Sep 2011, 22:22
Replies: 1,688
Views: 406,061
Posted By Ian W

For the 'Bus drivers

This may be a silly question... but the captain returned to the flight deck and apparently from the BEA transcript did not receive any briefing from the PNF or PF on what had happened and what they...
Forum: Tech Log
7th Sep 2011, 22:44
Replies: 1,688
Views: 406,061
Posted By Ian W

It may be a 'hypothetical' but almost every other...

It may be a 'hypothetical' but almost every other aircraft in the world would use the undercarriage 'squat switch'. Someone made the decision to not use that. I am sure that there is a squat switch...
Forum: Tech Log
7th Sep 2011, 19:20
Replies: 1,688
Views: 406,061
Posted By Ian W

Hidden Assumptions

There are no mad engineers, and there are many very dedicated people. However, at each stage right down at low levels in the system assumptions are made.
For example: "No aircraft will be...
Forum: Tech Log
5th Sep 2011, 14:48
Replies: 1,688
Views: 406,061
Posted By Ian W

Holes in Cheese

This is not an equivalent incident. The other "holes in the cheese" were not there - in moderate turbulence at night and automatics handing over not in straight-and-level
Forum: Tech Log
3rd Sep 2011, 12:12
Replies: 1,688
Views: 406,061
Posted By Ian W

Rudderrat With an aircraft stalled the...

Rudderrat


With an aircraft stalled the roll would lead to yaw in the direction of the roll. As the 330 is swept wing the wing on the downside would then be more directly into what airflow there...
Forum: Tech Log
1st Sep 2011, 23:49
Replies: 1,688
Views: 406,061
Posted By Ian W

Attentional Tunneling

ChuChu


The effect that is repeatedly observed is that the human finding something difficult starts to enter 'attentional tunneling'. This may be called several things 'the pilot's scan broke...
Forum: Tech Log
1st Sep 2011, 14:27
Replies: 1,688
Views: 406,061
Posted By Ian W

Pavlovian

Which would appear to be a trained and ingrained 'by rote' behavior with little actual practical follow-up training.
Forum: Tech Log
31st Aug 2011, 02:53
Replies: 1,688
Views: 406,061
Posted By Ian W

Cognitive Channel

Clandestino


Each of the cognitive channels in YOUR brain can only handle one input at a time. There are discussions about how many cognitive channels there are but if you really think you can...
Forum: Tech Log
31st Aug 2011, 02:06
Replies: 1,688
Views: 406,061
Posted By Ian W

Cognitive Overload of a Team

Dozy..


I think there is a mix of overload impacts that affect each crew member differently.

First there is what is called the 'classic inverted U curve (Yerkes and Dodson 1908) which balances...
Forum: Tech Log
29th Aug 2011, 20:39
Replies: 1,688
Views: 406,061
Posted By Ian W

Its the channel that's important

From Old Carthusian


I should have made it plainer in my wording.
When the verbal cognitive channels are overloaded you can add more to them and all you do is make the effect worse. However,...
Forum: Tech Log
29th Aug 2011, 01:10
Replies: 1,688
Views: 406,061
Posted By Ian W

Human cognitive limitations

Clandestino posted:


A little exercise for those that are interested.
Go back a page or two and read one of the more technical posts - say by Owain, while doing that try to recite a well known...
Forum: Tech Log
27th Aug 2011, 16:04
Replies: 1,688
Views: 406,061
Posted By Ian W

JcJeant There is another question - to...

JcJeant


There is another question - to what extent do simulator exercises provide sufficiently real training for emergencies?

There is a considerable psychological impact that the human...
Forum: Tech Log
26th Aug 2011, 10:56
Replies: 1,688
Views: 406,061
Posted By Ian W

'Locked' THS

I believe that Lyman was trying to say somewhat less than concisely, was that with the aircraft established in the stall and dropping at over 100 kts, that the g could have been less than .75g...
Forum: Tech Log
25th Aug 2011, 19:08
Replies: 1,688
Views: 406,061
Posted By Ian W

Knowledge of the stall would not help

Actually that is NOT what the quote says:

It says ""It is important to know that if such a thrust increase was applied when the aircraft is already stalled, the longitudinal effect would bring...
Forum: Tech Log
24th Aug 2011, 00:00
Replies: 1,688
Views: 406,061
Posted By Ian W

Irrecoverable Stall

Reply to MM43:


An interesting quote from the document:

"It is important to know that if such a thrust increase was applied when
the aircraft is already stalled, the longitudinal effect...
Forum: Tech Log
22nd Aug 2011, 22:58
Replies: 1,688
Views: 406,061
Posted By Ian W

Elevators alone

From JD-EE



Um no - you miss my point :). Even if he had bent the side stick backward, and held it there, on many aircraft that would have only resulted in nose drop into a stall - then...
Forum: Tech Log
22nd Aug 2011, 22:13
Replies: 1,688
Views: 406,061
Posted By Ian W

Maintained Stall

From Zorrin


OK let's not get carried away with nomenclature so the question can be avoided.

Can you name another civil airliner where the pilot can effortlessly hold the aircraft in a stable...
Forum: Tech Log
21st Aug 2011, 21:45
Replies: 1,688
Views: 406,061
Posted By Ian W

Stall without THS NU

Originally posted by Ian W


Response from JCJeant


Thank you for this response. My query took this just a little further. Had the THS been at a more normal cruise setting and not fully NU,...
Forum: Tech Log
21st Aug 2011, 15:04
Replies: 1,688
Views: 406,061
Posted By Ian W

Only THS made NU effective?

I think that this may miss the point.

If (as suggested earlier) the THS had remained at NEUTRAL rather than chasing the NU input during a stall, would the PF NU inputs have been enough with...
Showing results 1 to 21 of 21


 
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