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Forum: Tech Log

28th Aug 2011, 15:17

Replies: 1,688

AF 447 Thread No. 6

Views: 406,154

Posted By PJ2

gums; ...and the British Airways B747 Flight 9...

gums;
...and the British Airways B747 Flight 9 encounter with volcanic ash at Jakarta. Your point is well taken. In other words, these crews knew their aircraft and flew it. If something didn't...

Forum: Tech Log

28th Aug 2011, 06:58

Replies: 1,688

AF 447 Thread No. 6

Views: 406,154

Posted By PJ2

Fine posts, gums, thank you. IIRC there is the...

Fine posts, gums, thank you.
IIRC there is the opinion that the aircraft could have been recovered from the stall, but opinions have varied regarding the altitude from which recovery could have been...

Forum: Tech Log

28th Aug 2011, 06:47

Replies: 1,688

AF 447 Thread No. 6

Views: 406,154

Posted By PJ2

loxosceles; The parameter for side stick...

loxosceles;
The parameter for side stick position reports the side stick position, unmodified by any other inputs.

A slight confusion may occur if one considers that, for example, an aileron...

Forum: Tech Log

27th Aug 2011, 21:29

Replies: 1,688

AF 447 Thread No. 6

Views: 406,154

Posted By PJ2

Zorin_75; Yes, my thought was to keep it as...

Zorin_75;

Yes, my thought was to keep it as close as possible to the original. Thinking about it, BOAC's critique applies equally to the original drill.

Forum: Tech Log

27th Aug 2011, 20:08

Replies: 1,688

AF 447 Thread No. 6

Views: 406,154

Posted By PJ2

Thanks BOAC. Yes, I knew there were "holes" and...

Thanks BOAC. Yes, I knew there were "holes" and perhaps that's one. The intent is to examine the drill, for all reasons given.

Forum: Tech Log

27th Aug 2011, 15:31

Replies: 1,688

AF 447 Thread No. 6

Views: 406,154

Posted By PJ2

One way of perhaps making a change which retains...

One way of perhaps making a change which retains the essential and necessary actions in the original drill is to modify the qualifying condition at the start of the memorized drill, which is, "If the...

Forum: Tech Log

27th Aug 2011, 14:36

Replies: 1,688

AF 447 Thread No. 6

Views: 406,154

Posted By PJ2

Yes, I agree with that - a nominal 5 degrees...

Yes, I agree with that - a nominal 5 degrees pitch, held fast and gently achieved with tiny stick movements, and thrust levers in the CLB detent would not stall the aircraft.

Forum: Tech Log

26th Aug 2011, 16:57

Replies: 1,688

AF 447 Thread No. 6

Views: 406,154

Posted By PJ2

OwainG; I was in the process of working on all...

OwainG;
I was in the process of working on all the relative angles (a la mm43) and this instantly cleared it up, thank you. QED!

Forum: Tech Log

26th Aug 2011, 15:47

Replies: 1,688

AF 447 Thread No. 6

Views: 406,154

Posted By PJ2

OwainG; Great post, thank you - it is taking me...

OwainG;
Great post, thank you - it is taking me some time to absorb and think it through. I would like to offer what I can by way of response.

Yes, I think that is a very good point. I think it...

Forum: Tech Log

25th Aug 2011, 06:16

Replies: 1,688

AF 447 Thread No. 6

Views: 406,154

Posted By PJ2

Old Carthusian; Perhaps the human factors...

Old Carthusian;

Perhaps the human factors group which the BEA's Alain Bouillard has implemented and directed to investigate these questions will learn why this was so. I wonder if there was a...

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