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Search: Posts Made By: vilas
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Forum: Tech Log
27th May 2017, 06:43
Replies: 126
Views: 47,161
Posted By vilas

I clarified that it was NTSB which thinks...

I clarified that it was NTSB which thinks switching on APU was smart thing because the aircraft remained in normal law, I produced the clip to substantiate it. I didn't say that was the only purpose....
Forum: Tech Log
26th May 2017, 12:30
Replies: 126
Views: 47,161
Posted By vilas

This cannot be true because once it is activated,...

This cannot be true because once it is activated, to deactivate: (from FCOM)
1. The pilot must push the stick greater than 8 degrees forward or
greater than .5 degrees for at least for .5 seconds...
Forum: Tech Log
25th May 2017, 20:13
Replies: 126
Views: 47,161
Posted By vilas

During the flight time in between the birds and...

During the flight time in between the birds and the water impacts, the
Aircraft was flown occasionally within the alpha protection range (around 1minute 7s), notably from about 150 ft RA down to...
Forum: Tech Log
25th May 2017, 10:49
Replies: 126
Views: 47,161
Posted By vilas

PENKO There is already a warning in normal law...

PENKO
There is already a warning in normal law which calls "speed..speed...speed" but got suppressed by priority of GPWS. Although Sully's hands were full but just like he switched on the APU out of...
Forum: Tech Log
25th May 2017, 05:02
Replies: 126
Views: 47,161
Posted By vilas

Objections many a times are visceral not...

Objections many a times are visceral not technical making any discussion waste of time.
Forum: Tech Log
24th May 2017, 19:43
Replies: 126
Views: 47,161
Posted By vilas

misd-agin Only slat attitude is very high....

misd-agin
Only slat attitude is very high. Even in normal landing tail strike is possible if not flared carefully. Landing distance also almost 1000mtrs higher without flaps. And you won't convince...
Forum: Tech Log
24th May 2017, 18:41
Replies: 126
Views: 47,161
Posted By vilas

CONF iture Thanks for the video but what I...

CONF iture
Thanks for the video but what I wrote as you know is NTSB's opinion. He is apparently talking to non professionals. You decide who knows better. Actually I don't hear him give any valid...
Forum: Tech Log
23rd May 2017, 07:21
Replies: 126
Views: 47,161
Posted By vilas

Phugoid basically are pitch oscillations at high...

Phugoid basically are pitch oscillations at high AOA. Manually trying to control that when they are rapid usually will lead to being out phase and aggravating it. That is why they are done...
Forum: Tech Log
22nd May 2017, 16:56
Replies: 126
Views: 47,161
Posted By vilas

The aircraft was flown outside the flight...

The aircraft was flown outside the flight envelope because of human limitations under the circumstances and the aircraft behaved as designed. So where is the problem? The speed was dropping all along...
Forum: Tech Log
21st May 2017, 19:04
Replies: 126
Views: 47,161
Posted By vilas

tubby Golden I am afraid none of that...

tubby

Golden

I am afraid none of that is going to happen. See below:
DSC-27-20-10-20 P 1/8


When angle-of-attack protection is active, the THS setting is limited between the setting at...
Forum: Tech Log
21st May 2017, 18:33
Replies: 126
Views: 47,161
Posted By vilas

This is absurd. Your theories are opposite of...

This is absurd. Your theories are opposite of NTSB. The damage was caused by the high rate of descent due to very low speed below 100ft which could not be arrested. If speed was correct proper flare...
Forum: Tech Log
21st May 2017, 15:21
Replies: 126
Views: 47,161
Posted By vilas

Below is the clear cut conclusion by NTSB. I...

Below is the clear cut conclusion by NTSB. I don't know from where suddenly the phugoid damping has popped up. Had the speed been correctly maintained the AOA would have remained outside the alpha...
Forum: Tech Log
20th May 2017, 16:00
Replies: 126
Views: 47,161
Posted By vilas

misd-agin, this is exactly what I am saying. ...

misd-agin, this is exactly what I am saying.
It is your opinion and not the truth. Sully dropped speed not because of any law but situational pressures and those would not change with protection,...
Forum: Tech Log
20th May 2017, 08:40
Replies: 126
Views: 47,161
Posted By vilas

CONF iture You Herd the NTSB statement so it's...

CONF iture
You Herd the NTSB statement so it's not a joke. It was NTSB"s opinion based on surely some corroborating evidence. I didn't say that was the only purpose. Your opinions generally contain...
Forum: Tech Log
19th May 2017, 15:24
Replies: 126
Views: 47,161
Posted By vilas

CONF iture Now that I provided NTSB statement...

CONF iture
Now that I provided NTSB statement in this regard how about you providing Sully's statement, not your opinion about I suggest you read about G-YMMM B777 London crash.The last moments of...
Forum: Tech Log
18th May 2017, 16:18
Replies: 126
Views: 47,161
Posted By vilas

CONF Care to explain what is earlier stall...

CONF
Care to explain what is earlier stall warning or alpha MAX? Also if you push the stick forward from stall warning how do you gain speed without increased rate of descent?
Forum: Tech Log
18th May 2017, 15:57
Replies: 126
Views: 47,161
Posted By vilas

CONF If you hear the video recording at 3:14...

CONF
If you hear the video recording at 3:14 you will notice NTSB is not laughing with you, may be at you.



https://youtu.be/ZaV0godxu3w
Forum: Tech Log
18th May 2017, 13:42
Replies: 126
Views: 47,161
Posted By vilas

GR We are not doubting Sully's skills. He...

GR


We are not doubting Sully's skills. He surely had it to manage also in normal law but the tremendous time pressure and doing something for which he wasn't trained distracted him from...
Forum: Tech Log
18th May 2017, 07:01
Replies: 126
Views: 47,161
Posted By vilas

The 19kt deficiency triggered alpha protection...

The 19kt deficiency triggered alpha protection mode which pitches the nose down. Isn't that's what it is supposed to do?If aircraft would have been in alternate law it would have stalled. Bilbao was...
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