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Search: Posts Made By: HazelNuts39
Showing results 1 to 35 of 82
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Forum: Tech Log
20th Mar 2013, 21:15
Replies: 1,064
Views: 186,456
Posted By HazelNuts39

jcjeant, my discussion with vapilot is about...

jcjeant,

my discussion with vapilot is about a "multitude of unpublished areas" in the BEA reports. Unless vapilot tells me otherwise, I think my reply to his last post was sufficiently complete.
Forum: Tech Log
20th Mar 2013, 18:35
Replies: 1,064
Views: 186,456
Posted By HazelNuts39

.jcjeant, it's all in the final report of...

.jcjeant,

it's all in the final report of the 'coll`ege d'experts'
Forum: Tech Log
20th Mar 2013, 11:22
Replies: 1,064
Views: 186,456
Posted By HazelNuts39

vapilot, Thanks for your reply. BEA's...

vapilot,

Thanks for your reply.
BEA's Interim Report no.2 provides a detailed analysis of thirteen preceding UAS incidents that were adequately documented. The judiciary experts have interviewed...
Forum: Tech Log
17th Mar 2013, 17:47
Replies: 1,064
Views: 186,456
Posted By HazelNuts39

jcjeant, Thank you for the two remaining...

jcjeant,

Thank you for the two remaining parts.
Forum: Tech Log
17th Mar 2013, 14:33
Replies: 1,064
Views: 186,456
Posted By HazelNuts39

Where are they?

Where are they?
Forum: Tech Log
15th Mar 2013, 22:08
Replies: 1,064
Views: 186,456
Posted By HazelNuts39

Lyman, There are three recorded 'data...

Lyman,

There are three recorded 'data channels' - the ACARS messages, the DFDR data, and the CVR. The DFDR tells us what the pilot did with the controls, and what the airplane did in response. The...
Forum: Tech Log
15th Mar 2013, 20:38
Replies: 1,064
Views: 186,456
Posted By HazelNuts39

Lyman, How can one say "there are a...

Lyman,

How can one say "there are a multitude of unpublished areas" if one has not seen anything? Speaking in generalities is useless, specific 'omissions' can be discussed.

" what the aircraft...
Forum: Tech Log
15th Mar 2013, 19:55
Replies: 1,064
Views: 186,456
Posted By HazelNuts39

It would be easier to understand your discourse,...

It would be easier to understand your discourse, if you could tell us what those areas are.
Forum: Tech Log
11th Mar 2013, 23:07
Replies: 1,064
Views: 186,456
Posted By HazelNuts39

Nothing drastic. Vertical speed reduced...

Nothing drastic. Vertical speed reduced gradually. Air density?
Forum: Tech Log
11th Mar 2013, 22:25
Replies: 1,064
Views: 186,456
Posted By HazelNuts39

Turbine D, The captain recognized at...

Turbine D,

The captain recognized at 02:12:44 that they were fully stalled, and one minute later when the pitch attitude was 15 degrees NU he said only "no no no don't climb" ???

EDIT: If you...
Forum: Tech Log
11th Mar 2013, 21:18
Replies: 1,064
Views: 186,456
Posted By HazelNuts39

Lyman, Airspeed (indicated) had been around...

Lyman,

Airspeed (indicated) had been around 60 kts, momentarily reached 150 kts at 02:12: 43. Elevators were at -15 degrees (NU).
Forum: Tech Log
11th Mar 2013, 20:24
Replies: 1,064
Views: 186,456
Posted By HazelNuts39

Lyman, At 02:12:44 the pitch is about level,...

Lyman,

At 02:12:44 the pitch is about level, the V/S is 15000 fpm, the stall warning is operating, and the captain says "(!) it's impossible".

If the nose is pointing up, the airplane should be...
Forum: Tech Log
11th Mar 2013, 18:20
Replies: 1,064
Views: 186,456
Posted By HazelNuts39

Lyman, I wonder if you could help me find...

Lyman,

I wonder if you could help me find the captain suggesting "TRY CLIMBING" in the CVR transcript?
Forum: Tech Log
9th Mar 2013, 22:07
Replies: 1,064
Views: 186,456
Posted By HazelNuts39

Would those skills have resulted in push or in...

Would those skills have resulted in push or in pull?
Forum: Tech Log
7th Mar 2013, 16:58
Replies: 1,064
Views: 186,456
Posted By HazelNuts39

AoAPitch attitude equals AoA in level flight....

AoAPitch attitude equals AoA in level flight. Otherwise it does not.

Flying pitch and power causes the airplane to acquire a stable condition of airspeed, flight path angle and AoA. Flying AoA...
Forum: Tech Log
6th Mar 2013, 20:18
Replies: 1,064
Views: 186,456
Posted By HazelNuts39

Flying the pitch and power given in the table...

Flying the pitch and power given in the table will keep the airplane within the envelope. Small power adjustments may be necessary to maintain a given altitude.
Forum: Tech Log
6th Mar 2013, 19:36
Replies: 1,064
Views: 186,456
Posted By HazelNuts39

Lonewolf 50 right!

Lonewolf 50

right!
Forum: Tech Log
6th Mar 2013, 19:10
Replies: 1,064
Views: 186,456
Posted By HazelNuts39

Accelerations are usually measured in the...

Accelerations are usually measured in the body-axis system: ax along the longitudinal axis, ay perpendicular to the plane of symmetry, and az perpendicular to ax and ay.

"1 G in pitch corrected...
Forum: Tech Log
5th Mar 2013, 16:31
Replies: 1,064
Views: 186,456
Posted By HazelNuts39

Lyman, I'm somewhat reluctant to reply to...

Lyman,

I'm somewhat reluctant to reply to your questions, because the 'level bust' incidents have been discussed at length in various threads and have no relation to AF 447.

Since the High AoA...
Forum: Tech Log
5th Mar 2013, 10:51
Replies: 1,064
Views: 186,456
Posted By HazelNuts39

Lyman, you're mixing things up. The FCC's...

Lyman,

you're mixing things up. The FCC's weren't in normal law when Bonin took the controls. You miss the point of my post, which is about learning.
Forum: Tech Log
5th Mar 2013, 08:36
Replies: 1,064
Views: 186,456
Posted By HazelNuts39

Just an analogy: The FCOM says about High...

Just an analogy:

The FCOM says about High Angle of Attack Protection:
When I first read that, I just thought - well, that's logical, and went on reading. Prior to the two incidents, I never...
Forum: Tech Log
8th Nov 2012, 20:34
Replies: 1,064
Views: 186,456
Posted By HazelNuts39

Lyman, Good analysis!:ok:

Lyman,



Good analysis!:ok:
Forum: Tech Log
8th Nov 2012, 19:32
Replies: 1,064
Views: 186,456
Posted By HazelNuts39

Just another question that occurred to me, to...

Just another question that occurred to me, to long-range wide-body pilots in particular:

Shortly before A/P disconnect, the CVR recorded this exchange:

2 h 07 min 01 (PF): See, we’re really on...
Forum: Tech Log
8th Nov 2012, 17:08
Replies: 1,064
Views: 186,456
Posted By HazelNuts39

Hi Lyman, You don't address my third...

Hi Lyman,

You don't address my third question: How did he manage to maintain 15° NU until he also lost longitudinal control?
Forum: Tech Log
8th Nov 2012, 16:01
Replies: 1,064
Views: 186,456
Posted By HazelNuts39

Hi Lyman, How did he manage to control roll...

Hi Lyman,

How did he manage to control roll if he was not looking at the attitude indicator? How did he determine that he had lost (lateral) control at 02:11:31? How did he manage to maintain...
Forum: Tech Log
8th Nov 2012, 15:09
Replies: 1,064
Views: 186,456
Posted By HazelNuts39

Yes, a pilot knows that he cannot trust his...

Yes, a pilot knows that he cannot trust his senses to determine attitude, and must use his attitude indicator instead.
Forum: Tech Log
8th Nov 2012, 14:15
Replies: 1,064
Views: 186,456
Posted By HazelNuts39

More about somatogravic illusion

In post #710 I ok'd following quote from a TSB incident report:
Thinking about it further, I felt I ought to correct that in the interest of an understanding of the flight mechanical aspects of the...
Forum: Tech Log
6th Nov 2012, 16:09
Replies: 1,064
Views: 186,456
Posted By HazelNuts39

Hi rudderrudderrat, You may have noted that...

Hi rudderrudderrat,

You may have noted that my purple line shows the perceived attitude according to Appendix 1.

EDIT::
But you don't question their opinion about the rôle of somatogravic...
Forum: Tech Log
6th Nov 2012, 15:56
Replies: 1,064
Views: 186,456
Posted By HazelNuts39

Hi rudderrudderrat, The report states: ...

Hi rudderrudderrat,

The report states:
Appendix 1 states:

Time ......... IAS ..... pitch

19:40:40.9 ... 197.5 ... 8.5
19:40:44.1 ... 208.9 ... -2.3
19:40:48.3 ... 230.3 ... -2
Forum: Tech Log
6th Nov 2012, 13:38
Replies: 1,064
Views: 186,456
Posted By HazelNuts39

Somatogravic illusion ?

The TSB's Finding that the Transat captain PF experienced somatogravic illusion is somewhat questionable. In 1.11.4 Somatogravic Illusion, they write:
That is o.k., but doesn't describe what...
Forum: Tech Log
4th Nov 2012, 22:39
Replies: 1,064
Views: 186,456
Posted By HazelNuts39

As discussed earlier, the BUSS is no solution for...

As discussed earlier, the BUSS is no solution for the conditions encountered by AF447. If installed, it can only be made available by switching off the three ADR's, which then remain unavailable for...
Forum: Tech Log
3rd Nov 2012, 13:10
Replies: 1,064
Views: 186,456
Posted By HazelNuts39

Taking its definition literally, a pilot is under...

Taking its definition literally, a pilot is under somatogravic illusion anytime he is flying on instruments but believing his bodily sensors rather than his instruments. Since that is contrary to...
Forum: Tech Log
3rd Nov 2012, 10:33
Replies: 1,064
Views: 186,456
Posted By HazelNuts39

It would have been sufficient, had it not been...

It would have been sufficient, had it not been terminated too early. Why the PF reverted to pulling the nose up remains the biggest mystery of all for me. The report mentions the return of the flight...
Forum: Tech Log
3rd Nov 2012, 09:05
Replies: 1,064
Views: 186,456
Posted By HazelNuts39

... not counting 74 pages in thread no. 9 ...

... not counting 74 pages in thread no. 9 ...
Forum: Tech Log
2nd Nov 2012, 16:55
Replies: 1,064
Views: 186,456
Posted By HazelNuts39

I've never disputed that, nor have I disputed...

I've never disputed that, nor have I disputed that somatogravic illusions can occur. What I'm arguing is that the combinations of pitch attitude and longitudinal accelerations that occur in maneuvers...
Showing results 1 to 35 of 82
 
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