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Search: Posts Made By: MountainBear
Showing results 1 to 29 of 29
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Forum: Tech Log
27th Aug 2011, 21:14
Replies: 3,435
Views: 1,674,261
Posted By MountainBear

This is typing disguised as thinking. It's a mind...

This is typing disguised as thinking. It's a mind that's more interested in appearing like it's thinking than actually thinking.

When we write "A=B" we don't mean that the letter A shares the same...
Forum: Tech Log
24th Aug 2011, 15:34
Replies: 3,435
Views: 1,674,261
Posted By MountainBear

@BOAC I agree with you. Go back and read my...

@BOAC
I agree with you. Go back and read my post because you appear to have misunderstood my point.

This is the point I was trying to make. It is a grievous error and frankly an endless game to...
Forum: Tech Log
24th Aug 2011, 06:08
Replies: 3,435
Views: 1,674,261
Posted By MountainBear

How, pray tell, were the crew of AF447 supposed...

How, pray tell, were the crew of AF447 supposed to fly out of something they never even knew existed. As the CVR indicates they made a minor course correction because of concerns about turbulence,...
Forum: Tech Log
19th Aug 2011, 21:14
Replies: 3,435
Views: 1,674,261
Posted By MountainBear

This is outcome bias...

This is outcome bias (http://en.wikipedia.org/wiki/Outcome_bias). To wit, "outcome bias is an error made in evaluating the quality of a decision when the outcome of that decision is already known."
...
Forum: Tech Log
19th Aug 2011, 06:03
Replies: 3,435
Views: 1,674,261
Posted By MountainBear

I understand where you are coming from and in a...

I understand where you are coming from and in a general sense I think your comment has validity. But I think when you apply that perspective to AF447 it is leading you astray.

There are many...
Forum: Tech Log
13th Aug 2011, 17:16
Replies: 3,435
Views: 1,674,261
Posted By MountainBear

I understand your desire to shill on the part of...

I understand your desire to shill on the part of the airline manufacturer as it seems your livelihood is attached to it. Nevertheless, this accident is primarily a manufacturer's problem, not an...
Forum: Tech Log
12th Aug 2011, 18:10
Replies: 3,435
Views: 1,674,261
Posted By MountainBear

That's a guess, and nothing more. It's a...

That's a guess, and nothing more.

It's a fact that flight safety has improved. Why it has improved in terms of specific interventions is a different question. One of the problems with comments...
Forum: Tech Log
8th Aug 2011, 03:30
Replies: 3,435
Views: 1,674,261
Posted By MountainBear

What rubbish. If the technology can't correct for...

What rubbish. If the technology can't correct for pilot error then it's rubbish technology. That's what FBW is all about. What part of the word "protection" in "flight envelope protections" doesn't...
Forum: Tech Log
6th Aug 2011, 03:46
Replies: 3,435
Views: 1,674,261
Posted By MountainBear

@DW I think we will never know. None...

@DW



I think we will never know. None of us can get inside the PF's head to know exactly what he was thinking. It's possible that the stall warning had zero influence on his behavior. OTOH,...
Forum: Tech Log
4th Aug 2011, 07:39
Replies: 3,435
Views: 1,674,261
Posted By MountainBear

On the Brittleness of Software « Dark Matter...

On the Brittleness of Software « Dark Matter (http://msquair.wordpress.com/2011/07/23/requirements-completeness-and-the-af447-stall-warning/)

The point, DW, is that the knife cuts both ways. I...
Forum: Tech Log
2nd Aug 2011, 22:59
Replies: 3,435
Views: 1,674,261
Posted By MountainBear

@DW

@DW



I have not held in any post in this thread that the stall warning caused this accident. I have held that (1) the logic of the stall warning system is flawed (2) that this accident...
Forum: Tech Log
2nd Aug 2011, 20:44
Replies: 3,435
Views: 1,674,261
Posted By MountainBear

Yes, that is what I said in my post #2404. I...

Yes, that is what I said in my post #2404. I understand quite clearly that this is complicated matter with many different players involved. My post was primarily directed at the specific person I...
Forum: Tech Log
2nd Aug 2011, 18:40
Replies: 3,435
Views: 1,674,261
Posted By MountainBear

This is exactly what I mean by burden shifting. ...

This is exactly what I mean by burden shifting.

In response to my comment about stall warning logic several posters claimed that the situation AF447 found itself in was a set of facts that simply...
Forum: Tech Log
1st Aug 2011, 17:29
Replies: 3,435
Views: 1,674,261
Posted By MountainBear

DW . True enough. But with the authority...

DW
.

True enough. But with the authority to make compromises also comes the responsibility to take the heat and bear the costs when those compromises come back to bite you on the ass. Your recent...
Forum: Tech Log
31st Jul 2011, 18:52
Replies: 3,435
Views: 1,674,261
Posted By MountainBear

Although this question wasn't addressed to me I'm...

Although this question wasn't addressed to me I'm going to answer it.

The question you ask is disingenuous. The complaint is not that the software didn't do what it was supposed to do but that...
Forum: Tech Log
31st Jul 2011, 05:26
Replies: 3,435
Views: 1,674,261
Posted By MountainBear

I deleted my prior post because frankly it was...

I deleted my prior post because frankly it was hot-tempered. Let me try to be more civil and to the point.

At this stage in the aviation industry's development it is clear that airline accidents...
Forum: Tech Log
15th Jun 2011, 17:02
Replies: 3,435
Views: 1,674,261
Posted By MountainBear

If a pilot has lost situational awareness by...

If a pilot has lost situational awareness by definition he has lost the presence of mind to press a button. If he comprehends enough about the situation to press a button to save the aircraft he...
Forum: Tech Log
2nd Jun 2011, 02:15
Replies: 3,435
Views: 1,674,261
Posted By MountainBear

True. But where that balance point is located is...

True. But where that balance point is located is a matter of opinion (i.e, professional judgement). People can and do disagree. We tend to fixate on the needs of the moment and forget there is two...
Forum: Tech Log
1st Jun 2011, 04:03
Replies: 3,435
Views: 1,674,261
Posted By MountainBear

Aviate, navigate, communicate. They hadn't got...

Aviate, navigate, communicate. They hadn't got past the first which is why you see no discussion of the third.
Forum: Tech Log
31st May 2011, 05:51
Replies: 3,435
Views: 1,674,261
Posted By MountainBear

What garbage. I suspect that whatever BEA...

What garbage.

I suspect that whatever BEA comes up with will be controversial. We can record what the plane does on the DFDR. We can record what the flight crew says on the CVR. But what we...
Forum: Tech Log
28th May 2011, 06:19
Replies: 3,435
Views: 1,674,261
Posted By MountainBear

I don't agree. Hindsight is 20/20. The issue...

I don't agree. Hindsight is 20/20. The issue facing the captain when he came to the flight deck was simply who was in the best position to fly the plane. That's a judgement call, and a bit of a...
Forum: Tech Log
27th May 2011, 17:05
Replies: 3,435
Views: 1,674,261
Posted By MountainBear

The Ancient Greek writes: I agree with this...

The Ancient Greek writes:

I agree with this assessment. I think it nullifies the idea that there was a "startle" factor due to "bells and whistles". A professionally trained pilot is not startled...
Forum: Tech Log
27th May 2011, 07:11
Replies: 3,435
Views: 1,674,261
Posted By MountainBear

I don't think that's true. "Automation' is a nice...

I don't think that's true. "Automation' is a nice word but behind every piece of machine and every bit of software code is a human being. The issue is often portrayed as "machine vs man" but it's...
Forum: Tech Log
27th May 2011, 06:23
Replies: 3,435
Views: 1,674,261
Posted By MountainBear

This is a well understood problem. The answer,...

This is a well understood problem. The answer, however, is not as simple as one might surmise. One major difficulty is that when the **** hits the fan the computer doesn't have any effective way to...
Forum: Tech Log
26th May 2011, 17:52
Replies: 3,435
Views: 1,674,261
Posted By MountainBear

Yes, that's correct. :ok:

Yes, that's correct.

:ok:
Forum: Tech Log
22nd May 2011, 23:30
Replies: 3,435
Views: 1,674,261
Posted By MountainBear

Did YOU bother to read any of those articles? ...

Did YOU bother to read any of those articles?

The Myth of the Perfect Automatic Man « Dark Matter (http://msquair.wordpress.com/2009/09/20/the-myth-of-the-perfect-man/)
Criticizes Airbus design...
Forum: Tech Log
21st May 2011, 08:04
Replies: 3,435
Views: 1,674,261
Posted By MountainBear

Gretchenfarge A few of us had a discussion...

Gretchenfarge

A few of us had a discussion along similar lines in the Safety Forum about a year ago. However, those threads seemed to have disappeared into cyberspace due to inactivity.

The...
Forum: Tech Log
20th May 2011, 07:32
Replies: 3,435
Views: 1,674,261
Posted By MountainBear

Theshadow It's a lot of words but if I...

Theshadow

It's a lot of words but if I read you correctly your thesis boils down to:
(1) Plane runs into problems gradually.
(2) Autopilot deals with problems gradually
(3) gradual...
Forum: Tech Log
8th Apr 2011, 04:34
Replies: 3,435
Views: 1,674,261
Posted By MountainBear

My mother always used to advise me, "never put...

My mother always used to advise me, "never put down to malice what is best explained by incompetence."

Given that this search has been overseen by the French....

:ouch:
Showing results 1 to 29 of 29


 
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