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Search: Posts Made By: Machinbird
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Forum: Tech Log
1st Dec 2013, 21:10
Replies: 976
Views: 218,107
Posted By Machinbird

The legend is in the top right corner of page 10...

The legend is in the top right corner of page 10 of the DFDR document.
The red sideline indicates the stall warning is active and (presumably) heard on the tape. When the stall warning is not...
Forum: Tech Log
29th Nov 2013, 03:55
Replies: 976
Views: 218,107
Posted By Machinbird

Human Factors

The desired result from such warning sounds should be to alert the crew to a problem, but not to overburden the cockpit aural environment.

Instead of: STALL STALL STALL STALL STALL ...
Forum: Tech Log
29th Nov 2013, 03:35
Replies: 976
Views: 218,107
Posted By Machinbird

Yes, but only visible in your peripheral vision...

Yes, but only visible in your peripheral vision or by turning your head.

Not so good when there are interesting things going on in front of you.

If you think about it, trim should only move as...
Forum: Tech Log
28th Nov 2013, 18:07
Replies: 976
Views: 218,107
Posted By Machinbird

From the Norwegian B737 near stall event this...

From the Norwegian B737 near stall event this telling morsel:
Too bad the A brand hasn't seen the value of this concept.

In the case of AF447, it is pretty evident that the crew was so stressed...
Forum: Tech Log
28th Nov 2013, 17:53
Replies: 976
Views: 218,107
Posted By Machinbird

Winnerhofer What law firm are you associated...

Winnerhofer
What law firm are you associated with?
Alternately, are you just one of those guys who likes to stir things up?

I was not enlightened as to the intent of your post 948 which...
Forum: Tech Log
21st Nov 2013, 02:33
Replies: 976
Views: 218,107
Posted By Machinbird

Originally Posted by Clandestino in response to...

Originally Posted by Clandestino in response to Chris Scott
Originally Posted by Machinbird ...
Forum: Tech Log
19th Nov 2013, 23:54
Replies: 976
Views: 218,107
Posted By Machinbird

Do that in roll direct and I suspect you will...

Do that in roll direct and I suspect you will learn gentleness, and there might even be an additional mess in the cockpit.:}

Alternate1 and Alternate2 laws might work similarly in pitch, but they...
Forum: Tech Log
2nd Nov 2013, 02:44
Replies: 976
Views: 218,107
Posted By Machinbird

But OWAIN, if you can still set the gains for the...

But OWAIN, if you can still set the gains for the flight control system, do you need to drop out of Normal Law in the first place?
I don't believe that the accuracy would be sufficient to manage...
Forum: Tech Log
1st Nov 2013, 02:23
Replies: 976
Views: 218,107
Posted By Machinbird

Hi Gums, Just 'cause there isn't an AOA gauge...

Hi Gums,
Just 'cause there isn't an AOA gauge for the pilots doesn't mean that the aircraft doesn't know what value it is. All we need to do is instruct the aircraft properly what to do with the...
Forum: Tech Log
1st Nov 2013, 01:20
Replies: 976
Views: 218,107
Posted By Machinbird

Since stall AOA varies with Mach No., and the...

Since stall AOA varies with Mach No., and the ADRs requires >60 knots dynamic pressure to have a valid (i.e. 'acceptable' airspeed value), the aircraft had no way to calculate the stall AOA using the...
Forum: Tech Log
25th Oct 2013, 04:29
Replies: 976
Views: 218,107
Posted By Machinbird

A33Zab, Of course, you are literally correct. ...

A33Zab,
Of course, you are literally correct. It is the NCD issue that turns off the stall warning. Essentially, it is an engineering problem that was too hard to solve at the time and they waved...
Forum: Tech Log
25th Oct 2013, 01:45
Replies: 976
Views: 218,107
Posted By Machinbird

Clandestino, You are being a naughty boy;). ...

Clandestino,
You are being a naughty boy;). You are trying to spin this thread up to max RPM by using poorly researched and poorly supported comments.

FYI, the AOA probe on my F-4 would be...
Forum: Tech Log
23rd Oct 2013, 02:07
Replies: 976
Views: 218,107
Posted By Machinbird

A Somewhat Different View

The aircrew actions in the AF447 accident seem strange to those of us looking back on this accident.

There are a few observations I would like to make about the situation that this crew faced. I...
Forum: Tech Log
27th Jun 2013, 00:14
Replies: 976
Views: 218,107
Posted By Machinbird

Since AP had dropped out together with the...

Since AP had dropped out together with the autothrottles when the air data went south, what would have prevented the aircraft from rolling over onto its back, particularly since it had a significant...
Forum: Tech Log
16th Jun 2013, 23:30
Replies: 976
Views: 218,107
Posted By Machinbird

and I don't understand why you gentlemen think...

and
I don't understand why you gentlemen think you do not need AOA indicators.

Of course you cannot fly as accurately by just triggering the stick shaker as you could fly with an actual AOA...
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