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Search: Posts Made By: Lost in Saigon
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27th Mar 2016, 05:28
Replies: 1,540
Views: 1,783,722
Posted By Lost in Saigon

You make a good point, but all the other theories...

You make a good point, but all the other theories make even less sense as we know the pilot said "Pull, Pull, Pull" and yet there was no sign that all that pulling did anything to stop the aircraft...
27th Mar 2016, 04:55
Replies: 1,540
Views: 1,783,722
Posted By Lost in Saigon

I believe the full aft yoke was totally...

I believe the full aft yoke was totally ineffective because the tailplane had stalled due to ice accumulation.

My reasoning is due to two simple facts:

1) The aircraft flew in icing...
26th Mar 2016, 13:04
Replies: 1,540
Views: 1,783,722
Posted By Lost in Saigon

Why are you 99% sure the cause is not icing?

Why are you 99% sure the cause is not icing?
26th Mar 2016, 11:46
Replies: 1,540
Views: 1,783,722
Posted By Lost in Saigon

I agree. Tailplane icing is the most obvious...

I agree. Tailplane icing is the most obvious answer to the perplexing question as to why did the nose pitch down so rapidly even though the pilot was pulling back on the control column.
25th Mar 2016, 21:34
Replies: 1,540
Views: 1,783,722
Posted By Lost in Saigon

I doubt it was runaway stab trim. It would be...

I doubt it was runaway stab trim. It would be impossible to not see the trim wheels running to full nose down trim. If it starts to runaway, the cutout switched should stop it instantly.
...
25th Mar 2016, 20:43
Replies: 1,540
Views: 1,783,722
Posted By Lost in Saigon

"Do not worry, pull!" as the aircraft nosed over...

"Do not worry, pull!" as the aircraft nosed over into a dive.

The dive looks to me like Ice Contaminated Tailplane Stall and now the voice transcripts sound to me like Ice Contaminated Tailplane...
24th Mar 2016, 14:39
Replies: 1,540
Views: 1,783,722
Posted By Lost in Saigon

They may have requested FL80 just because it was...

They may have requested FL80 just because it was a smooth altitude.

Do you have any evidence to show there was no icing at FL80 or FL150?
24th Mar 2016, 12:47
Replies: 1,540
Views: 1,783,722
Posted By Lost in Saigon

None of the Boeing aircraft have tail anti-icing....

None of the Boeing aircraft have tail anti-icing. Boeing designs the tail to be large enough to be immune from icing. It's never been a problem, but then how many times has an aircraft actually held...
24th Mar 2016, 11:35
Replies: 1,540
Views: 1,783,722
Posted By Lost in Saigon

Yes, Tail Plane Stall due to icing also fits this...

Yes, Tail Plane Stall due to icing also fits this scenario. There is no anti-icing or de-icing on a 737 tail.
21st Mar 2016, 17:04
Replies: 1,540
Views: 1,783,722
Posted By Lost in Saigon

EXCELLENT POST! Thanks very much for your...

EXCELLENT POST! Thanks very much for your insight.
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